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Biology Keystone Module A Flashcards | StudBud
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Biology Keystone Module A
Biology Keystone Module A
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This is a review from the information in Module A of the Keystone exam.
Flashcards
54 cards
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Practice quiz
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Questions
54
Answers
1
When a cell requires energy for work, that energy is supplied in the form of
charges
ADP
mitochondria
ATP
2
What is the difference between aerobic and anaerobic respiration?
aerobic produces less ATP
aerobic produces more ATP
anaeobic requires oxygen
3
The site of cellular respiration is (#9)
cell membrane
centrioles
nucleus
mitochondria
4
Ribosomes make
water
energy
proteins
mitochondria
5
Which functional characteristic of proteins distinguishes them from carbohydrates?
ability to catalyze biochemical reactions
large amounts of stored information
efficient storage of usable chemical energy
tendency to make cell membranes hydrophobic
6
These macromolecules serve as a source of stored energy and are components of cell membranes.
ribosomes
lipids
proteins
nucleic acids
7
The energy used in active transport comes from
carbon dioxide
photosynthesis
cellular respiration
water
8
The plasma membrane is called "selectively permeable" because it
selects the types of molecules used in the cell membrane
only lets certain substances in and out of the cell
selects the proteins involved in transport
only allows large molecules in to the cell
9
The movement of WATER through a semipermeable membrane down the concentration gradient is
facilitated diffusion
active transport
diffusion
osmosis
10
The graph shows enzyme activity. Which best describes what happens to the enzyme at 63 degrees?
It begins to decrease the rate of reaction
It gets used up
It continues to speed up the reaction
it changes shape and can no longer speed up the reaction
11
The picture is of a
cell wall
nucleus
ribosome
cell membrane
12
A substrate is changed to product in metabolic reactions. What do enzymes do in the reaction?
they speed up the reaction
they adjust the pH of the reaction
they have no role
they provide the energy
13
What is the function of a nucleic acid?
carries and passes genetic information
battles disease
maintains structure
stores energy
14
The sodium-potassium pump is a type of
diffusion
passive transport
active transport
heredity
15
Which is the smallest and still considered living?
atom
organ
organism
cell
16
This organelle contains folded membranes and sacs responsible for transporting materials (#5)
cell wall
Endoplasmic reticulum
mitochondria
nucleus
17
Which characteristic is shared by ALL prokaryotes and eukaryotes?
use of organelles to control cell processes
use of cellular respiration for energy release
ability to store hereditary information
ability to move in response to environmental stimuli
18
The following formula represents
biology
cellular respiration
photosynthesis
cells
19
The following formula represents
photosynthesis
life
phosphorelation
cellular respiration
20
A substance that enables a chemical reaction to proceed faster or under different conditions.
catalyst
protein
monomer
polymer
21
The intermolecular attraction between UNLIKE molecules is called
adhesion
surface tension
cohesion
polarity
22
Lipids are made of
nucleotides
amino acids
polymers
glycerol and three fatty acids
23
The intermolecular attraction between like molecules is called
adhesion
surface tension
polarity
cohesion
24
What is the main energy currency of the cell?
ATP
the sun
ADP
mitochondria
25
In a chloroplasts of a plant cell, which energy transformation most likely occurs?
light to chemical
heat to electrical
chemical to chemical
ATP to light
26
Which BEST compares energy transformations of photosynthesis and cellular respiration?
They both require chemical energy to make food.
They both store energy in bonds
Only photosynthesis uses oxygen to create energy.
Only photosynthesis causes an increase in kinetic energy
27
What are the building blocks (monomers) of nucleic acids?
sugar
peptides
amino acids
nucleotides
28
Passive transport always
goes up the concentration gradient
uses energy
happens at night
goes down the concentration gradient
29
Chloroplasts undergo __________ and mitochondria undergo ___________.
metabolism, respiration
respiration, metabolism
photosynthesis, cellular respiration
cellular respiration, photosynthesis
30
Sugars, starches, and cellulose are all examples of
monomers
nucleic acids
proteins
carbohydrates
31
What do all cells have in common?
cell wall and cell membrane
cell membrane and cytoplasm
ribosomes and nucleus
proteins and cell wall
32
Which is the largest?
cell
community
atom
organs
33
When water freezes, it floats allowing
surface tension to not function
the water below to be insulated and life to be preserved
nothing to work
water to conserve energy
34
Proteins are made of
cell membranes
DNA
ribosomes
amino acids
35
The movement of particles from an area of high concentration to low concentration is called
active transport
ATP
diffusion
facilitated diffusion
36
We get energy from our bodies by our cells using food and oxygen in a process called
osmosis
photosynthesis
diffusion
cellular respiration
37
Using a microscope, a student observes a small, green organelle in a plant cell. We call this a
chloroplast
ribosome
cell wall
mitochondria
38
What do A and B represent in the following diagram?
water and oxygen
sugar and oxygen
oxygen and carbon dioxide
sugar and water
39
Facilitated diffusion is
passive transport
active transport
none of these
osmosis
40
Which is an abiotic part of the following ecosystem?
water
sea weed
dolphins
sea gull
41
What is one difference between active and passive transport?
Passive transport uses ATP
Passive transport goes up the concentration gradient
Active transport goes down the concentration gradient
Active transport uses ATP
42
What is the role of ALL enzyme?
to speed up a chemical reaction
to change chemicals
they have no role
to eat up the products
43
The building blocks (monomers) of carbohydrates are called
lipds
animo acids
water
monosaccharides
44
What is the function of a carbohydrate?
store energy
create flexibility
store genetic information
water storage
45
Which is not a property of water vital to supporting life on Earth?
high specific heat
bonding
cohesion
adhesion
46
DNA and RNA are examples of
carbohydrates
nucleic acids
proteins
lipids
47
Amino acids are the building blocks of
cell walls
proteins
cell membranes
ribosomes
48
Which cell is larger, prokaryotic or eukaryotic?
It is impossible to tell
They are the same size
Prokaryotic
Eukaryotic
49
Biology is the scientific study of
cells
people
plants
life
50
What do C and D represent in the following picture?
sugar and oxygen
carbon dioxide and sugar
carbon dioxide and water
sugar and energy
51
Anaerobic respiration is different from aerobic respiration because it does not use
carbon
water
oxygen
nitrogen
52
Which of the following is a biotic part of this ecosystem?
water
termperature
bubbles
dolphins
53
Which is the smallest?
organism
atom
population
community
54
Organisms can be classified as prokaryotes and eukaryotes. What do they all have in common?
plasma membrane and nucleus
plasma membrane and cytoplasm
cell wall and nucleus
cell wall and chloroplasts
