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Exam Review - Berning
Exam Review - Berning
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1
Pepsin in the stomach plays what role in digestion?
Breaks down proteins into fatty acids
Breaks down proteins into amino acids
Breaks down lipids into fatty acids
Breaks down lipids into amino acids
2
process of becoming adapted to an environment
Ecosystem
Organism
Adaptation
Biodiversity
3
Hydrogen bonds are responsible for which property of water?
Water is a universal solvent.
Water expands when it is frozen.
Solid water is less dense than liquid water.
All answers are correct.
4
The maintenance of stable internal conditions is
metabolism
stimuli
growth
homeostasis
5
Growth and development are the same thing. True or false?
False
True
6
The products of photosynthesis are the reactants for which reaction?
Glycolysis
Cellular respiration
Fermentation
Calvin Cycle
7
Which one of the following organs comes into play lastly?
Urethra
Loop of Henle
Proximal Convoluted Tubule
Urinary Bladder
8
The study of living things is called
physics
chemistry
earth space
biology
9
What is a weak acid or base that prevents sharp, sudden changes in pH?
acetic acid
hydrogen bond
hydrogen peroxide
buffer
10
Larger polymers are formed when monomer are joined together by a dehydration synthesis reaction.
False
True
11
What part of the mitochondria does the electron transport chain take place in?
Golgi Apparatus
Outer Membrane
Intermembrane spact
Intermitochondrial Membrane
12
A reptile basks in the sun to maintain body temperature. This is an example of
homeostasis
metabolism
reproduction
stimuli
13
What is the name of the pigment that absorbs sunlight to power photosynthesis?
stroma
chloroplasts
thylakoids
chlorophyll
14
Scientific observations are
based on opinions
not important
based on facts
do NOT rely on senses
15
Which type of bond chemically bonds 2 or more water molecules together?
hydrogen bond
ionic bond
polar bond
covalent bond
16
Where does the Krebs Cycle take place?
Cytoplasm
Mitochondrial Matrix
Tallahassee
Golgi Apparatus
17
the material that contains the information that determines inherited characteristics
textbook
RNA
DNA
Protein
18
What property is caused by the strong attraction between water molecules?
surface tension
gravity
hydrogen
capillary action
19
Which type of lipid forms the primary structure of the cell membrane?
phospholipid
wax
cholesterol
triglycerides
20
a heritable change in the characteristics within a population from one generation to the next
evolution
system
ecosystem
biology
21
Light energy is converted to chemical energy during which process?
fermentation
glycolysis
photosynthesis
cellular respiration
22
What is the ratio carbon:hydrogen:oxygen in carbohydrates?
1:2:1
2:1:1
1:1:1
2:1:2
23
What does this diagram represent
Oxidation of Pyruvate
Glycolysis
The Krebs Cycle
Electron Transport Chain
24
What type of macromolecule is shown in the image below?
unsaturated wax
saturated wax
saturated fatty acid
unsaturated fatty acid
25
Which of the following is true regarding villi and microvilli In the small intestine?
They increase the surface area for absorption
They increase the surface area for assimilation
They decrease the surface area for absorption
They decrease the surface area for assimilation
26
What step comes after Oxidation of Pyruvate?
Glycolysis
Electron Transport Chain
Krebs Cycle
Cellular Respiration
27
Which of the following is true regarding pancreatic lipase?
It breaks down lipids to fatty acids in the pancreas
It breaks down lipids to amino acids in the pancreas
It breaks down lipids to fatty acids in the small intestine
It breaks down lipids to amino acids in the small intestine
28
What is the substance that is dissolved into a solvent called?
a solute
a product
a solution
a salt
29
An unknown molecule contains a sugar and a phosphate group. It is likely what?
nucleic acid
carbohydrate
lipid
protein
30
What are the products of th electron transport chain?
34ATP
4ATP
2ATP
16ATP
31
Group A ate sugar before a test. Group B didn't take anything before a test. Control Group?
Group B
Group A
A and B
No control group
32
the sum of all chemical processes that occur in an organism
DNA
system
metabolism
biology
33
Identify the Independent Variable. How does temperature affect evaporation?
evaporation and temperature
evaporation
no variable
temperature
34
Why is oxygen necessary in aerobic cellular respiration?
its the final acceptor in the electron transport chain
It is needed for glycolysis
It is the last electron acceptor in transport chain
35
How many phosphate groups make a molecule of ATP?
4
3
1
2
36
Where does Oxidation of Pyruvate take place?
Cytoplasm
Golgi Apparatus
Cell Membrane
Mitochondrial Matrix
37
In
this
type of diffusion, molecules diffuse with the assistance of membrane proteins:
passive diffusion
facilitated diffusion
simple diffusion
active diffusion
38
_ is "programmed cell death." Gets rid of unnecessary cells during development or damaged cells in a mature organism?
Expiration
Suicide
Differentiation
Apoptosis
39
Which part of a plant cell contains the light-absorbing molecules that start photosynthesis?
stroma
cytoplasm
thylakoids
cell wall
40
Why is cell division so important for Unicellular organisms?
Growth
Replace dead cells
Replace damaged cells
Only way to reproduce
41
What is known as a region of space where a substance's concentration changes?
concentration gradient
transfer gradient
solubility gradient
diffusion gradient
42
The role of the pancreas in digestion is to:
Allow food to pass through it during digestion
Secrete pancreatic amylase into the small intestine
Secrete panreatic pepsin into the small intestine
Physically breakdown food through peristalsis
43
Which pigment is responsible for the orange and red colors of fall leaves?
stroma
thylakoids
chlorophyll
carotenoids
44
Which of the following is a testable question?
Butterflies pollinate plants.
During a solar eclipse the moon blocks the sun.
Indianapolis is the capital of Indiana.
Caffeine helps plants grow taller than water.
45
During an experiment, the variable that is measured is the
experimental variable
dependent variable
independent variable
controlled variable
46
anything that can carry out life processes independently
Organism
Cell
Evolution
System
47
the smallest unit that can perform all life processes
cell
seed
system
a baby
48
What is the monomer of proteins?
amino acids
phospholipids
monosaccharides
nucleotide
49
Materials with
stronger
concentration gradients result in faster diffusion.
False
True
50
Which one of these facts about the kidneys is accurate?
These organs are crucial components of the nervous system
They supply the entire body with blood through arteries
They filter out any unnecessary waste from the bloodstream.
They are responsible for delivering hormones to the body
51
What label is on the x-axis?
deer population on an island
no label
number of deer
number of months
52
Why is cell division so important to an adult organism even after it is fully developed?
Growth
Adult organism do not have cell division
Only way to reproduce
Heal wounds
53
What is the function of fats for living organisms?
long term energy storage
short term energy storage
catalyze metabolic reactions
store hereditary information
54
Identify the Dependent Variable. How does listening to music affect a student's grades?
listening to music
student's grades
no variable
music and grades
55
What are the reactants of the electron transport chain?
30NADH+2FADH2
5NADH+2FADH2
1NADH+1FADH2
10 NADH+2FADH2
56
What does this diagram represent ?
Electron transport chain
Glycolysis
Oxidation of private
Citric acid cycle
57
What are the products of the Krebs Cycle?
6 NADH+2FADH2+2ATP+4CO4
6 NADH+3FADH2+2ATP+6CO4
6 NADH+2FADH2
6 NADH+2FADH2+2ATP
58
During an experiment, the variable that is changed is the
independent variable
controlled variable
dependent variable
experimental variable
59
How are the subunits of proteins linked together?
amino acids
ionic bonds
peptide bonds
monomers
60
Colors of light most useful in photosynthesis are
green, yellow, and orange
red, violet, and blue
infrared, red, and yellow
red, white, and blue
61
Covalent and ionic bonds are weaker than hydrogen bonds.
False
True
62
How is NADH recycled to NAD+?
It gains a carbon
it releases an electron + hydrogen for ETC diagram .
it loses a carbon
It gains an electron and a hydrogen
63
Which of the macromolecules contain nitrogen?
proteins only
nucleic acids only
nucleic acids and proteins
proteins and lipids
64
Channel & carrier proteins are typically selective for only 1 to a few types of molecules.
True
False
65
In which location does the Calvin Cycle take place?
thylakoid membrane
cytoplasm
stroma in chloroplast
cytoplasm
66
the scientific study of living organisms and their interactions with the environment
Bioelasticity
Chemistry
Biology
Science
67
What does this diagram represent?
Krebs Cycle
Glycolysis
Oxidation of Pyruvate
Electron Transport Chain
68
A __________ compares your hypothesis with your data.
hypothesis
observation
conclusion
theory
69
What is the primary function of the Excretory/Urinary System?
Its function is to discharge or remove waste from the body.
This is responsible for circulating blood around the body.
This involves a system of nerve cells to control movement.
This system acts as the body's inner framework.
70
Which of the following is in the correct order?
nerve cell, brain, nervous tissue, nervous system
nervous system, brain, nerve cell, nervous tissue
brain, nervous system, nerve cell, brain
nerve cell, nervous tissue, brain, nervous system
71
What are the products of Glycolysis?
2Pyruvate
4ATP + 2NADH + 2Pyruvate
6 NADH + 2 FADH+ 2ATP+4CO2
6 ATP
72
In an experiment, the group that receives no change is the
dependent variable
independent variable
experimental group
control group
73
Which type of transport proteins span the membrane & make a hydrophillic tunnel for molecules?
channel proteins
carrier proteins
phospholipid proteins
intracellular proteins
74
a set of particles or interacting components
revolution
evolution
antibody
system
75
Which of the following is a product of photosynthesis?
CO2
O2
H2O
sunlight
76
Water has a high heat capacity.
True
False
77
Where does Glycolysis take place?
Ribosomes
Cell membrane
Cytoplasm
Mitochondria
78
Which term best describes the chemical bonds between H and O atoms in a water molecule?
polar covalent
hydrogen
non-polar covalent
ionic
79
What is the scale for the y-axis?
0-70 (in hundreds)
1995-1999
0-10
0-70 (in thousands)
80
What is the name of the sugar formed during photosynthesis?
lactose
pentose
glucose
fructose
81
Identify the following parts of the digestive system:
A - Esophagus; B - Stomach; C - Liver
A - Trachea; B - Stomach; C - Pancreas
A - Esophagus; B - Stomach; C - Pancreas
A - Trachea; B - Stomach; C - Liver
82
Which type of channel protein allows water to cross the membrane very quickly?
synthesis proteins
hydrophobic proteins
hydroporins
aquaporins
83
the part of the earth where life exists
Biosphere
Biology
Biodome
Biotic
84
The chemical reactions that occur in a living thing are
stimuli
growth
homeostasis
metabolism
85
The image below shows a polymer of glucose molecules. What type of macromolecule is this?
carbohydrate
lipid
protein
nucleic acid
86
a group of organisms that are closely related
Mammals
Soccer Players
Species
Biological Specimens
87
Polymers consist of more than one type of monomer.
True
False
