Which of the following can be determined by observing the embryos shown in the diagram?

organisms share a common ancestry.

A baby boy inherits a recessive allele from his mother. How would he show the trait?

The allele is on the X chromosome.

After the vaccine is administered, what response to the vaccine is triggered in the body?

Production of antibodies providing active immunity.

Which of the following persons would most likely contract the H1N1 virus?

person w/ no vaccine and a weakened immune syst

In which way are photosynthesis and cellular respiration different?

Photosyn used CO2, while cellular respiration produces CO2

How are cellular respiration and photosynthesis related, in terms of energy?

energy captured in photosyn. is used to power cell respir

Which set of parents can most likely produce a child with type O blood?

one parent heterozygous type A X other parent type O blood

Fertilization and Pregnancy: State the stages of development in order.

Zygote-> Blastocyst-> Embryo-> Baby

Many organisms can survive a cold winter b/c a layer of ice forms on top insulates H20, HOW?

Water expands and becomes less dense when it freezes.

Which of the following phrases best describes cancer?

uncontrolled cell growth caused by mutations

What does B, C, D represent?

B-exponential C- logistic D-carrying capacity

Digests, recycles materials with enzymes

Which of the following describes why the Miller-Urey theory is widely accepted today?

Synthesizing organic molecules from mixture of gases in lab

Small insects can walk across the surface of calm water, but they do not break the surface.How?

The insects are light enough that they dont break H+ bonds

Which of the following can be deduced from Graph I?

max flow of H2O in stem lag behind the max rate of transpir

Muscle cells obtain energy to perform movement. How do muscle cells differ from other cells?

muscle cell would have more mitochondria than other cells

Which explains why cells that contained mitochondria-like organ. had an evolutionary advantage?

They were able to make more use of available energy

Which is NOT part of Darwin's observations that describes the mechanisms of natural selection?

Disease and natural disaster will limit population growth.

What does Independent Assortment and Cross over do for your cells?

It creates different cells by increasing variation

What macro-molecules are involved in the cell (plasma) membrane?

proteins, carbohydrates, lipids

What does the phopholipid bilayer do for the cell?

creates a semi-permeable membrane, creates a hpydorphilic exterior and hydrophobic interior

If a cell’s lysosomes were damaged, which of the following would most likely occur?

cell would be less able to breakdown molecules in cytoplasm.

Which statement describes a component of the original cell theory that was removed?

Cells form through spontaneous generation.

Based on Graphs I and II above, which of the following is the best conclusion?

Decreases in leaf H20 poten. are caused by increas transpir.

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A cummulative practice exam for Biology EOC

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Questions 155

Answers

1
Which of the following can be determined by observing the embryos shown in the diagram?
organisms are native to the same geographic areas
organisms will grow into anatomically similar adults
organisms share a common ancestry.
organisms belong to the same genus
2
Species X produces CO2 and H2O. Species Y produces ethyl alcohol and CO2.
Both species X and Y are aerobic
Only species Y is anaerobic.
Both species X and Y are anaerobic
Only species Y is aerobic.
3
Particles move from high to low concentration & use a carrier protein= what type of Transport?
simple osmosis
facilitated diffusion
active transport
simple diffusion
4
There is an error in the DNA in which molecule?
segment 3 only
segment 1 only
segment 2 & 4
segment 2 & 3
5
A baby boy inherits a recessive allele from his mother. How would he show the trait?
The baby inherits the dominant allele from his father
The allele is on an autosomal chromosome and is a twin.
The allele is on the X chromosome.
The allele is on the Y chromosome.
6
After the vaccine is administered, what response to the vaccine is triggered in the body?
Secretion of antigens by lymphocytes.
Production of temporary resistance to the disease.
Production of antibodies providing active immunity.
Absorption of histamines throughout the body.
7
Which line on the graph represents a catalyzed reaction?
Both red and blue
red
non of the above
blue
8
Mitochondrion
Photosynthesis
Stucturally supports and gives shape to the cell
Digests and recycles materials
Cell respiration
9
Antibodies are primarily composed of amino acids, to which biomolecule would antibodies belong?
Carbohydrates
Lipids
Nucleic Acid
Proteins
10
Which of the following persons would most likely contract the H1N1 virus?
person w/ no vaccine and a weakened immune syst
person w/ no vaccine but has a normal immune system
person received the vaccine and has a normal immune system
person received the vaccine and has a weakened immune system
11
In which way are photosynthesis and cellular respiration different?
Cell respir stores ATP, while photosyn releases ATP.
Photosyn releases energy, while cell respir stores energy.
Photosyn used CO2, while cellular respiration produces CO2
Cell respir produces oxygen, while photosyn uses oxygen.
12
How are cellular respiration and photosynthesis related, in terms of energy?
energy captured in photosyn. is used to power cell respir
Energy is not involved in either
energy transformed in cell respir. is used to power photosyn
Photosyn and respir perform the same task in terms of energy
13
Which molecules store and transmit genetic information?
Nucleic Acids
Lipids
Carbohydrates
Proteins
14
Which set of parents can most likely produce a child with type O blood?
parent with type AB blood X other parent with type A blood
parent homozygous type A X parent with homozygous type B
parent with type AB blood X other parent with type O blood
one parent heterozygous type A X other parent type O blood
15
Which of the following identifies the process shown at point Z?
Translation
Translocation
Replication
Transcription
16
Which of the following phases of mitosis is represented by the diagram?
Metaphase
Telophase
Prophase
Anaphase
17
Which of the following is true of a zygote?
It is made up of only one cell
It produces haploid male gametophytes
It is an unfertilized egg
It forms into a blastocyst
18
Fertilization and Pregnancy: State the stages of development in order.
Zygote-> Blastocyst-> Baby-> Embryo
Blastocyst-> Zygote-> Embryo-> Baby
Zygote-> Blastocyst-> Embryo-> Baby
Baby-> Embryo-> Blastocyst-> Zygote
19
diploid cell w 2 pairs of homologous chromos. Due to indep assort, what is the gene of gametes?
SsTt
Ss, Tt
ST, St, sT, st
S, s, T, t
20
A specific type of cell is being studied, the cell contains a nucleus & cell wall. this is a..
Prokaryotic bacteria cell
Eukaryotis bacteria cell
Eukaryotic plant cell
Prokaryotic Animal cell
21
According to the phylogenetic tree, which organisms are least related to each other?
Trilobita and Insecta
Insecta and Crustacea
Trilobita and Chelicerata
Insecta and Myriapoda
22
Many organisms can survive a cold winter b/c a layer of ice forms on top insulates H20, HOW?
Water absorbs heat when it evaporates and forms a gas
Water molecules completely separate into ions in solutions
Water forms hydrogen bonds with ions and other polar subst..
Water expands and becomes less dense when it freezes.
23
Which of the following phrases best describes cancer?
uncontrolled cell growth caused by mutations
multiple gene mutations on a chromosome of DNA
presence of genetic defects caused by hereditary disorders
absence of cyclins in the DNA
24
Tall= dominant. Two heterozygous tall plants crossed, what % of offspring expected to be tall?
50%
25%
75%
100%
25
What is the name of the structures responsible for generating the spindle fibers?
Centromeres
Membranes
Hot funky chocolates
Centrioles
26
Chloroplasts...
photosynthesis
plant cell
photo bomb
photograph
27
The name of this process is..
Translation
Transcripts
Transcription
Translator
28
What does B, C, D represent?
B-exponential C- logistic D-carrying capacity
B-logistic C-exponential D- carrying capacity
B- exponential C- carrying capacity D- logistic
29
Lyosome-Like Vesicle
Organizes and moves internal parts of the cell
Digests, recycles materials with enzymes
Photosynthesis
Makes lipids, degrades fats, and inactivates toxins
30
Which of the following describes why the Miller-Urey theory is widely accepted today?
Amino acids spontaneously form from molecules in the atmosph
Synthesizing organic molecules from mixture of gases in lab
Organic molecules are present today in extremely high #s
No other alternative hypotheses have been introduced
31
Small insects can walk across the surface of calm water, but they do not break the surface.How?
The insects are light enough that they dont break H+ bonds
Insects use their wings to hover over the water
Insects are smll enough to see actual water molecules
Insects feet are non-polar and reflect the polar molecules
32
Which of the following can be deduced from Graph I?
no correlation betwn the rate of transpir & the flow of H2O
rate of transpiration is constant throughout this 24-hours
At noon, transpir exceeds the rate of H2O flow through stem.
max flow of H2O in stem lag behind the max rate of transpir
33
Muscle cells obtain energy to perform movement. How do muscle cells differ from other cells?
muscle cell have a larger golgi apparatus than other cells
muscle cell have more endoplasmic reticulum than other cells
muscle cell would have more mitochondria than other cells
muscle cell have larger centrioles than the other cells
34
Which explains why cells that contained mitochondria-like organ. had an evolutionary advantage?
They were able to photosynthesize
They were able to make more use of available energy
They were immune to bacterial invasion.
They had more DNA
35
What is something this type of cell has in common with all other cells?
Cell Wall
Ribosomes
A nucleus
Membrane-Bound organelles
36
Which is likely responsible for changes that led to larger size, strength, & speed in horses?
Mirgation
Inbreeding
Commensalism
Evolution by natural selection
37
Which is NOT part of Darwin's observations that describes the mechanisms of natural selection?
Species today descended with modifications from ancestor
Disease and natural disaster will limit population growth.
Organisms with advantages will survive and reproduce
Organisms produce more offspring than can survive.
38
What does Independent Assortment and Cross over do for your cells?
It creates different cells by increasing variation
It makes the cells similar so you can identify them
It creates more similar sex cells
It makes it harder to reproduce cells
39
Which cell structure is correctly paired with its primary function?
nucleus- storage of nutrients
ribosome- protein synthesis
vacuole- cell division
mitochondria- movement
40
Water stuck to the windshield is an example of what?
Adhesion
Covalent bonding
Cohesion
Viscosity
41
What macro-molecules are involved in the cell (plasma) membrane?
proteins
carbohydrates
lipids
nucleic acids
42
What does the phopholipid bilayer do for the cell?
allows everything to get into the cell
creates a semi-permeable membrane
creates a hpydorphilic exterior and hydrophobic interior
creates solely a hydrophobic exterior
43
Which process do the animals in the food web use to convert energy from food into ATP?
photosynthesis
transcription
cell respiration
osmosis
44
Which types of organisms developed first due to the early environmental conditions on Earth?
prokaryotic and anaerobic
eukaryotic and aerobic
eukaryotic and anaerobic
prokaryotic and aerobic
45
H+ ions are being pumped from a low concentration to a high concentration. Type of transport
passive transport
facilitated diffusion
active transport
co-transport
46
If a cell’s lysosomes were damaged, which of the following would most likely occur?
cell is less able to regulate amount of fluid in cytoplasm.
cell would produce more proteins than it needs.
cell would have chloroplasts that appear yellow not green.
cell would be less able to breakdown molecules in cytoplasm.
47
Which statement describes a component of the original cell theory that was removed?
Cells are the basic structural and functional units of life.
All cells come from other preexisting cells.
Cells form through spontaneous generation.
All living things are made of cells.
48
Based on Graphs I and II above, which of the following is the best conclusion?
Flow of H2O through the stem= no effect on leaf H20 potent
The increased rate of transpir. increased leaf H2O potent.
Decreases in leaf H20 poten. are caused by increas transpir.
Leaf stomata are closed at 10 AM
49
A plant lives in area with limited sunlight. Which adaptation would be most useful to plant?
deep roots
colorful flowers
large leaves
thin cuticle
50
What do you call it when molecules move from a high to low concentration?
passive transport
exotyosis
endocytosis
active transport
51
Using the data table, which solution would represent the control in this experiment?
Solution D
Solution C
Solution B
Solution A
52
Which of the following is a disadvantage of genetic screening?
doctor could combine a patient’s current symptom to diagnose
child having an inheritable disease can be predicted
results could be used to determine inheritance patterns
Insurance companies drop patient’s coverage based med issue
53
Which phase of mitosis is shown in the picture?
Telophase
Prophase
Anaphase
Metaphase
54
What function does ATP carry out in living things?
identifies DNA start sequences for transcription
helps maintain the fluidity of cell membranes
used to capture and transfer energy
aids in protein folding and coiling
55
This is an animal cell, what is the one organelle this cell has that others do not?
Centromeres
Centrioles
Mitochondria
Chloroplasts
56
The individuality of an organism is determined by the
position of the ribosomes on the endoplasmic reticulum
sequence of nitrogenous bases in deoxyribonucleic acid
number of nitrogenous bases in a codon
number of amino acids in a cell
57
When an environment has reached its carrying capacity for a certain population, which is true?
Growth and immigration rate is < death and emigration
Growth rate is exponential
Growth and immigration rate is > death and emigration
Growth and immigration rate is = to death and emigration
58
Which organelle is the site where amino acids are synthesized into proteins?
1
2
3
4
59
What is the relationship between these three structures?
Protein is composed of DNA that is stored in the cell.
DNA is made up of proteins that are synthesized in the cell.
The cell is composed only of DNA and protein.
DNA controls the production of protein in the cell.
60
Biochemical substances in the human body are maintained at about a neutral pH except for the -
Lymph nodes
Stomach Fluids
Blood
Internal Material of living cells- cytoplasm
61
Which phase of mitosis is shown in the picture?
Telophase
Anaphase
Prophase
Metaphase
62
Which choice describes DNA after replication has taken place?
two molecules, each with two new strands
two molecules, each with two old strands
one molecule=2 original strands & one molecule=2 new strands
two molecules, each with one original and one new strand
63
What does A, B, C represent?
A-Carrying Capacity B-Prey C-Predator
A- Predator B-Prey C- carrying capacity
A- prey B-predator C- carrying capacity
64
Cell is permeable to sucrose, glucose, and water but impermeable to starch. Which is correct?
Glucose will diffuse into the “cell.”
Starch will diffuse out of the “cell.”
Sucrose will diffuse into the “cell.”
There will be no net movement of glucose.
65
What is an example of something that might cause the fluctuation shown in phase D?
Chicken noodle soup
Diamonds
UM Hurricanes
Diseases
66
Nucleolus
Assembly of sub-units of ribosomes
Packs/ships lipids to export for insertion into the membrane
Controls the sustances going inside and out of the cell
protein Synthesis
67
Homologous chromosomes during prophase I of meiosis I. Which correctly describes the process?
segregation of sister chromatid
condensation and segregation of alleles
crossing-over in which alleles are exchanged
mutation in which the DNA content of the gene is altered
68
The cambium (xylem/phloem) of a plant was damaged, what would be the most likely effect?
the plant would have uncontrolled growth
The plant would lose its ability to carry out photosynthesis
plant would not experience any change in physiology
plant would not be able to transport nutrients and water
69
A pair of calves that have the same parents exhibit some diff. Which explains these variations
dominance
gene linkage
independent assortment
sex linkage
70
Which of the following is NOT one of water's special properties?
High Specific Heat Capacity
Density Anomally- less dense as a solid
High Surface Tension
High Viscosity
71
Which best describes the role of enzymes in a chemical reaction?
increase the reaction rate
absorb excess energy
release unused energy
regulate product reactivity
72
The illustration below shows four lobes of the human brain. What is ?
Parietal
Frontal
Occipital
Temporal
73
RedBloodCells allow H2O, CO2, & O2 in/out, other substances are blocked, the RBC membrane is
perforated
permeable
non-conductive
semi-permeable
74
Through which structure do the sperm travel to exit the testes?
seminiferous tubules
scrotoum
epididymis
vas deferens
75
This monomer builds a macromolecule that is responsible for..
storing genetic information
catalyzing
composing the majority of the cell membrane
storing energy
76
How does comparing the skeletons of these animals provide support for the theory of evolution?
provides information to determine the organisms' ages
shows possible common ancestry between
provides information about the organisms' habitats
shows possible chromosomal similarities
77
Rough ER
Digests, recycles materials
Modifies new polypeptide chains and synthesizes lipids
Communication junction between adjoining cells
Assembly of subunits of ribosomes
78
A plant is placed in a closed system w/ H2O & the sun. What will happen to the plant's growth?
plant will grow faster because it is sheltered from the wind
plant will die because it does not have oxygen for photosyn.
plant will die b/c it does not have CO2 for photosyn
plant will grow @ slower rate because it requires more H2O
79
Why can't living cells use heat to provide the activation energy for their reactions?
At high heat, proteins and cell can lose their function
•Heat at excessive amounts denatures proteins
Heat doesn't provide activationenergy for reactions
Heatis not readily available to all living cells
80
Which statement describes one of the factors affecting blood flow and its effect on blood flow?
narrowing of blood vessels increases pressure- faster flow
low blood pH decreases the rate of diffusion- slow flow
red blood cells change to a crescent shape- fast blood flow
high viscosity of blood- increased resistance and slow flow
81
The diagram below shows a cellular process that occurs in organisms. What is the name of this?
phagocytosis
mitosis
meiosis
enodcytosis
82
This is a(n)
Ribosome
Polypeptide chain
amino acid
protein
83
Protists & bacteria are in different kingdoms. What about protists & bacteria is NOT true?
Both protists and bacteria can be motile
Protists do photosyn., but bacteria cannot do photosyn.
Both protists and bacteria are microorganisms
Protists are eukaryotes, while bacteria are prokaryotes.
84
Which row in the chart below indicates the correct process for each event indicated?
Row 1
Row 4
Row 3
Row 2
85
What is the one thing that can take carbon out of the oceans and atmosphere?
Humans- Burning/Digging Up fossil fuels and Deforestation
Plants-Photosynthesis
Animals-Cell Respiration
86
Plant 2 produced asexually from Plant 1. Plant 1 has 56 chromosomes, how many chromosomes in 2?
28
56
14
112
87
Osmosis occurs when a diff. concen. of solute is on each side of the mem. what will happen?
H2O will move into the beaker, resulting in a smaller cell.
Salt will move into the beaker, resulting in a smaller cell.
Salt will move into the cell, resulting in a larger cell.
H2O will into the cell, resulting in a larger cell.
88
What are the results of this process?
Mitotic diploid cells
One molcule that is half of the other
2 molecules that differ
2 of the same molecules
89
Which of the following macromolecules are part of animal tissues that insulate/conserve heat?
Nucleic Acids
Lipids
Carbohydrates
Proteins
90
A small portion of the population that is geographically isolated from the rest of the pop....
Natural Selection
Mutation Rate
Genetic Variation
Genetic Drift
91
What is the correct way to show the scientific name of a lion?
panthera Leo
panthera leo
Panthera leo
Panthera Leo
92
A plant needs H2O, O2, CO2, and light to survive. This shows that organisms depend on:
Abiotic Factors
Biotic Factors
Symbiotic Relationships
Carnivore-Herbivore Relationships
93
Which of the following describes an event that results from mitosis but NOT meiosis?
replication of cellular genetic material
two stages of cell division
daughter cells that are identical to the parent cell
four daughter cells that are produced from each parent cell
94
Central Vacuole
Proteins synthesis
ATP formation
only found in plant cells for storage of waste and water
Modifies and packs lipids to ship out
95
Which is not a statement of the cell theory?
All living things are made of cells
Cells are the basic unit of life
Cells are formed by spontaneous gen
cells come from other preexisting cells
96
Why can bacteria recognize a human gene and then produce a human protein?
The basic components of DNA are the same in human & bacteria
Bacterial cells contain the same organelles as human cells.
Bacterial & human cells contain the same kind of chromosomes
DNA replication in bacteria and humans is the same
97
Shows a pedigree for a recessive genetic disorder. What is the genotype of individual 6?
XH Xh
Xh Y
XH Y
XH XH
98
According to this graph, what can you predict about Light Intensity and Photosynthesis?
there is no photosynthesis occuring when in light
light intensity has no effect
The rate of photosynthesis is constant
Too much light at a high intensity can damage chloroplasts
99
which inference can most likely be made about the cardiovascular systems of Patient A and B?
Patient A should hydrate with water to increase blood volume
Patient B’s blood is quickly circulating=HIGH Blood Pressure
Patient A’s blood is quickly circulating=HIGH Blood Pressure
Patient B should increase salt intake to decrease blood vol.
100
The enzyme catalase breaksdown hydrogen peroxide in H2O & O2. During the reaction, the catalase
is used up
is changed into a product
is formed into a new enzyme
is unchanged
101
Which type of reproduction leads to increased genetic variation on a population?
Vegetative reproduction
Parthenogenesis
Asexual reproduction
Sexual reproduction
102
What happens to the available energy as you move up this energy pyramid? Why?
Increases, Lost as heat
Lowers, lost as heat
Lowers, energy gained by sun
Increases, gained by sun
103
According to the cladogram shown, which organisms are most closely related?
Exosperman and Bubbia
Exosperman and Tasmania
Belliolum and Drinys
Belliolum and Bubbia
104
This is a plant cell. Solar energy is used to produce energy-rich compounds in which structure?
B
C
D
A
105
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases.
salt in the solution moved against the concen. gradient
The saltwater lowers the temperature of the H2O in the gums.
The swollen gums have absorbed the saltwater solution
H2O in gums moved out b/c high concen.of salt in solution
106
In what phase does Cross-Over occur?
Metaphase- Mitosis
Mitosis 1- Meiosis 1
Prophase 1 Meiosis 1
Prophase- mitosis
107
Drinking early in the first trimesters of pregnancy can be damaging because during this time..
the lungs of the fetus become functional
many of the essential organs of the fetus are forming.
the fetus cannot excrete wastes.
alcohol can easily enter the mouth of the fetus.
108
Mushrooms are a type of fungus. What characteristic of fungi makes them different from plants?
Fungi are heterotrophic.
Fungi are multicellular
Fungal cells are eukaryotic.
Fungi have cell walls.
109
Which biomolecule contains nitrogenous bases?
Protein
Carbohydrate
Lipid
Nucleic Acid
110
Cell walls of fungi are composed of…
Cellulose
Glucose
Adipose
Chitin
111
At what point in the cell cycle does DNA replication occur and why?
before a cell divides,provide 2 cells with full DNA
after a cell divides, gives 2 cells a complete set of DNA
during cell division, so that DNA will fit into the cells
before a cell divides, so that the DNA will fit into cells
112
Humans killed giant tritons to collect spiral shells in a coral reef, the CORAL population will
increase due to crown-of thorn sea stars decreasing
Increase due to parrot fish increasing
decrease due to crown-of-thrones sea stars increasing
Decrease due to parrot fish decreasing
113
What could happen if the grasshoppers are killed off?
Rabbit pop. will grow
Shrew pop. will grow
Blackberry pop. will grow
Owl pop. will grow
114
A bouquet of white flowers are put in a container of H2O+bluedye and the flower turns Blue HOW?
Specific Heat
hydrogen bonds between hydrogen and oxygen molecules
Cohesion and Adhesion of water molecules
Surface Tension
115
How do human diseases caused by bacteria and diseases caused by viruses react to antibiotics?
Bacteria respond to antibiotics; viruses dont.
Both respond to antibiotics.
Neither responds to antibiotics
Viruses respond to antibiotics; bacteria don't
116
What are you going to get on the EOC????
D
C
A
B
117
Which structure is represented by the letter D?
epididymus
tested
scrotum
prostate gland
118
Both lipids and carbohydrates are important in animal cells because both –
Provide Insulation
Contain Nitrogen
Store Energy
Form Cell walls
119
There are similarities between prokaryotic and eukaryotic cells. Which structure is in both?
Nucleus
Mitochondria
Ribosome
Lysome
120
Which statement can be inferred from the evolutionary tree?
Species 2 is most closely related to Species 3.
Species 5 is most closely related to Species 6.
Species 3 is most closely related to Species 7.
Species 1 is most closely related to Species 8.
121
The original sequence was ACG and the new sequence is ACA. Will this change the phenotype?
yes, due to new A.A
No, even though it changed it has the same A.A
It is impossible to determine
yes, because any change will change the phenotype
122
1. bacteria 2. viruses 3. eukaryotic 4. prokaryotic Which have organelles?
1 & 2
2 & 4
3 only
4 only
123
Which best describes how enzymes function in the body?
An enzyme is used once and thendestroyed by the cell.
Oneenzyme can catalyze many different reactions
Enzymes lower the activation energy of reactions.
Enzymes are converted into products by catalyzation
124
Plant cells that are specialized for cell division are found in what part of the plant?
leaf epidermis
root tips
vascular tissue
stem epidermis
125
Which mechanisms is used by the bacteria to pump antibiotics out of their cells?
facilitated diffusion
active transport
diffusion
osmosis
126
In this image you see DNA and its nucleotides; How do RNA nucleotides differ?
They are the same
They are magical
They contain Uracil instead of Thymine
They contain ATCG
127
Which type(s) of cells have genetic material that is contained in a nucleus?
bacteria
plants only
animals only
both plant and animal cells
128
What is the name of the attachment point between sister chromatids in a chromosome?
Spindle
Membranes
Centrioles
Centromere
129
What can you conclude about the effect of the concentration of carbon on photosynthesis?
Photosynthesis increases along point c
photosynthsis will increase constantly with increased CO2
photosynthsis doesnt use CO2, it uses O2
photosyn increases w/ increased CO2 from point A to B
130
Which phase of mitosis is shown in the picture?
Anaphase
Prophase
Telophase
Metaphase
131
Which statement describes the role of flowers in plant survival?
Flowers produce oxygen through cellular respiration.
Flowers can absorb carbon dioxide for sugar production
Flowers contain cells that produce gametes.
Flowers contain cells that carry out photosynthesis.
132
Which explains how the stomata of a leaf is used in processes that occur in plants?
Energy for cellular reproduction is absorbed through stomata
Gases in photosyn. are exchanged through the stomata
Water enters at the surface of the leaf for transpiration
CO2 enerts plant through the stomata for cell reproduction
133
How many amino acids are coded for by this segment? 5' ATCAGCGCTGGC 3'
12
4
8
20
134
Based on the info in the cladogram below, which trait would be observed in ray-finned fish?
four limbs
bony skeleton
amniotic egg
hair
135
•What is the optimal pH for the enzymeSalivary Amylase?
11
5
9
7
136
Digestion of cellulose is done by cellulase and E.coli in your gut, what is this an example of?
Commensalisn
Muatualism
Parasitism
137
If 20% of a DNA sample is made up of thymine, T, what % of the sample is made up of cytosine,C?
50%
35%
30%
15%
138
Which structure is represented by the letter A in the diagram above?
the petals, decorative structures which attract pollinators
the sepal, a modified leaf used for protection of the flower
the pistol, a female structure that collect pollen for ovary
the stamen, a male structure which produces pollen
139
If the xylem in a young tree is damaged, which process is first affected?
absorbing water from the soil
transporting sugar to the roots
transporting water to the leaves
performing photosynthesis
140
Which of these represents a carbohydrate?
3
2
4
1
141
Fertilization of the egg most likely occurred in which of the following structures?
F
D
C
A
142
What is the function of enzymes in biological system?
Enzymes act as catalyst to drive chemical reactions forward.
Enzymes act as product to create new chemical reactions.
Enzymes bond with substrate to create a new reaction product
Enzymes act as substrates when the proteins are unavailable.
143
The combined observations of scientists did not help form which of these statements?
All cells come from other living cells
All living organisms are made of one or more cells.
Cells are the basic unit of all living things.
All cells contain a nucleus
144
What is the 2-word naming system that we currently use today to classify organisms called?
Binomial lectures
Binomial Notary
Binomial nomenclature
Nomenclature Binomics
145
What controls movement of materials in/out of cell and contains a double layer of phospholipid?
Cell membrane
Nucleus
Endoplasmic Reticulum
Cell wall
146
Which statement below most closely explains the link between jaw size and hominid evolution?
jaws of hominids evolved to be larger and more protruding
jaws changed over time due to change in brain size
jaws of hominids evolved to be smaller and less protruding
There appears to be no change in the jaws of hominids
147
In the Origin of Life Theory, which would need to occur 1st for life to evolve?
Synthesis of organic molecules
formation of the plasma membrane
origin of genetic material
onset of photosynthesis
148
Hemophilia is sex-linked/recessive- Man w/ no hemophilia X Woman<<DAD HAS IT. Which is true?
None of their daughters will have hemophilia.
Their sons have a 25% chance of having hemophilia.
50% chance that their daughters will have hemophilia.
Each of their sons will have hemophilia.
149
A yellow solution in a tube turned Blue once an aquatic plant was placed inside. Why?
Carbon dioxide was produced by respiration.
Oxygen was produced by photosynthesis.
Carbon dioxide was removed by photosynthesis
Oxygen was removed by respiration.
150
“Cell” is permeable to water only & has 0.3M glucose and environ. has 0.1M glucose, whats true?
Glucose will enter the “cell.”
The “cell” will decrease in volume
would be a net movement of water out of the “cell.”
would be a net movement of water into the “cell.”
151
Observe # of producers, primary, secondary, & tertiary consumer, Which has the least amt of E?
Producers
Tertiary Consumer
Secondary Consumer
Primary Consumer
152
Which of the following describes the main benefit of completing The Human Genome Project?
Cloning humans
Identifying genetically-based diseases
Designing new human genes
Patenting specific human genes
153
In pure water, animal cells swell/burst, plants will not. What is responsible for difference?
cell wall
nucleus
cell membrane
mitochondrion
154
Explain how the Law of Conservation of Energy applies to this living system.
Energy cannot be created or destroyed, 90% E stays in chain
10% of the E is transfered and the other 90% is heat
10% of E is transfered, but 90% dissapears
90% of heat is transferred into the enviro. to be blown up
155
What is a difference between Primary and Secondary Succession?
Secondary starts with soil and takes less time
Dustbowl is an example of how great we treat our Earth
Climax Communities
Primary is the first build up of rocks

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