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Biology 1046 Final Exam Review Flashcards | StudBud
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Biology 1046 Final Exam Review
Biology 1046 Final Exam Review
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1
Inner space within the mitochondria
matrix
cristae
grana
stroma
2
all the living parts of an ecosystem
population
community
heterotrophs
biosphere
3
Cellular organelles are suspended in the ___
nucleus
cell membrane
cytoplasm
endoplasmic reticulum
4
You have worked hard all semester and will be ready for your biology exam!
false
true
5
The ___ is the smallest unit that can display all the characteristics of life.
cell
mitochondria
nucleus
atom
6
1 pair of similar chromosomes is called
sister chromatids
homozygous chromosomes
tetrad
homologous chromosomes
7
histones are proteins used to
transport materials into and out of the cell
pack DNA into chromosomes
code mRNA
join sister chromatids
8
the breaking of double bonds and addition of hydrogen in some fats
hybridization
saturation
hydrogenation
ionization
9
the tendency for water molecules to stick together
transpiration
Brownian motion
cohesion
adhesion
10
X-linked recessive disorders may be passed on to the next generation of boys if __.
dad has the disorder and mom is healthy
none of the above
both parents were carriers
mom has the disorder and dad is healthy
11
What are the starting materials of photosynthesis?
H2O and O2
CO2 and H2O
glucose and O2
CO2 and O2
12
glucose and fructose are ___: they are different molecules but have the same chemical formula.
isomers
isotopes
polysaccharides
identical
13
Which of the following is NOT made of protein?
muscle
enzymes
hair
cellulose
14
All anaerobic metabolic pathways we studied in class produce ___ ATP for each glucose molecule.
28
34
1
2
15
the nucleus of an atom contains
neutrons and electrons
protons and neutrons
protons, neutrons and electrons
protons and electrons
16
The glucose storage molecule in animals
sucrose
glycogen
cellulose
starch
17
The smallest unit of a polysaccharide
triglyceride
sucrose
monosaccharide
polymer
18
Which is NOT a characteristic of all living organisms?
complex yet organized
uses energy
composed of multiple cells
growth and development
19
What stage(s) of cellular respiration take place in the mitochondria?
electron transport chain
Krebs Cycle
both electron transport chain and citric acid cycle
glycolysis
20
Where is the energy found within ATP?
within the phosphate groups
in the adenosine molecule
in the nucleus of each atom within ATP
in the bonds between the phosphate groups
21
a measure of randomness or disorder
kinetic energy
energy
entropy
enthalpy
22
a polar solute won't dissolve in a non-polar solvent because
solute is hydrophilic-solvent is hydrophobic
solute and solvent are hydrophilic
solute is hydrophobic-solvent is hydrophilic
solute and solvent are hydrophobic
23
Human somatic cells each contain __ chromosomes
46
haploid
n
23
24
bases release ___ when mixed with water
hydroxide ions
protons
salts
hydrogen ions
25
amino acids are held together by __ bonds in proteins
peptide
ionic
non-polar
hydrogen
26
This molecule is the final electron acceptor in the electron transport chain.
oxygen
carbon
water
hydrogen
27
the most abundant organic molecule on Earth
nitrogen
oxygen
water
cellulose
28
double stranded chromosomes line up on either side of the 'equator' of a cell during __
anaphase I of meiosis
anaphase of mitosis
metaphase II of meiosis
metaphase I of meiosis
29
What is the phenotypic ratio of a dihybrid cross?
3:1
1:1:1:1
not enough info to figure it out
9:3:3:1
30
If a DNA strand has the sequence GAATGC, what is the sequence on mRNA?
CUUUCG
CTTAGC
none of the above
CUUACG
31
During fermentation in muscle cells, which product is formed?
lactic acid
acetyl coA
ethanol
glucose
32
The non-coding regions of RNA that are cut out of the molecule after transcription
exons
codons
introns
anticodons
33
Do all scientific investigations follow precise steps in an exact order?
Yes
No
34
lipids that have a carbon skeleton with four fused rings and a functional group
polyunsaturated
steroid
unsaturated
trans fat
35
The organelle that looks like a stack of pancakes
mitochondria
ER
Golgi Apparatus
ribosome
36
A strong acid has a pH of ___.
6
8
11
2
37
certain molecules called ___ can disturb the function of an enzyme
inhibitors
catalysts
accelerators
substrates
38
Which of the following is NOT a function of mitosis in humans?
growth
repair of wounds
replacement of damaged cells
production of sperm cells
39
The various enzymes in our bodies are
nucleic acids
lipids
proteins
carbohydrates
40
Another name for substrate
product
reactant
enzyme
catalyst
41
In a DNA molecule, nitrogen bases are attached to the ____ Carbon
1'
3'
5'
2'
42
This organelle is responsible for cellular respiration
mitochondria
chloroplast
extracellular matrix
nucleus
43
Termination of translation occurs when
tRNA with the stop codon reaches the A site
tRNA with the start codon reaches the P site
tRNA with the start codon reaches the A site
tRNA with the stop codon reaches the P site
44
a polar molecule
has ionic bonds
has an extra electron, giving it a positive charge
has an extra electron, giving it a negative charge
is slightly negative at one end and positive at the other
45
heat is a type of ___
stored energy
chemical energy
kinetic energy
potential energy
46
A proposed explanation for a set of observations
theory
hypothesis
law
fact
47
The first phase of photosynthesis ___
Calvin Cycle
light dependent reaction
light independent reaction
PSI
48
Which of the following is NOT a form of passive transport?
diffusion
osmosis
exocytosis
facilitated diffusion
49
Most multicellular eukaryotes form gametes by ___.
mitosis
meiosis
binary fission
crossing over
50
The organelle responsible for breaking down worn out cell parts
lysosome
mitochondria
ribosome
vacuole
51
The genetic blueprints are found in the cell's ___.
endoplasmic reticulum
cell membrane
cytoplasm
nucleus
52
Which stage of cellular respiration can take place without oxygen?
citric acid cycle
electron transport chain
Calvin Cycle
glycolysis
53
The Earth's __ includes all life and all the places where life exists
atmosphere
photic zone
biosphere
biotic zone
54
Which of the following reaction BUILDS polymers?
hydrolysis
dehydration
denaturation
hydrophobic
55
Each of the following is found in an animal cell EXCEPT...
ER
Golgi apparatus
chloroplast
mitochondria
56
In a(n) ___ solution, animal and plant cells will wither and wilt.
homeostatic
hypotonic
isotonic
hypertonic
57
a gene is
an entire chromosome
a particular segment of DNA that codes for a trait
easily modified
a segment of RNA that contains an amino acid