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