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Keystone Review Module A
Keystone Review Module A
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1
Using a microscope, a student observes a small, green organelle in a plant cell. We call this a
cell wall
chloroplast
mitochondria
ribosome
2
The following formula represents
photosynthesis
biology
cells
cellular respiration
3
A substance that enables a chemical reaction to proceed faster or under different conditions.
protein
monomer
polymer
catalyst
4
Which characteristic is shared by ALL prokaryotes and eukaryotes?
ability to store hereditary information
ability to move in response to environmental stimuli
use of organelles to control cell processes
use of a cell wall for structural support
5
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
6
DNA and RNA are examples of
lipids
carbohydrates
proteins
nucleic acids
7
Sugars, starches, and cellulose are all examples of
nucleic acids
carbohydrates
proteins
monomers
8
What is one difference between active and passive transport?
Active transport uses ATP
Passive transport uses ATP
Passive transport goes up the concentration gradient
Active transport goes down the concentration gradient
9
The energy used in active transport comes from
water
cellular respiration
carbon dioxide
photosynthesis
10
Ribosomes make
mitochondria
proteins
water
energy
11
Organisms can be classified as prokaryotes and eukaryotes. What do they all have in common?
plasma membrane and cytoplasm
cell wall and chloroplasts
plasma membrane and nucleus
cell wall and nucleus
12
Which functional characteristic of proteins distinguishes them from carbohydrates?
efficient storage of usable chemical energy
large amounts of stored information
tendency to make cell membranes hydrophobic
ability to catalyze biochemical reactions
13
Proteins are made of
amino acids
ribosomes
DNA
cell membranes
14
The building blocks (monomers) of carbohydrates are called
water
lipds
animo acids
monosaccharides
15
The bonds found between two different water molecules are called
polar covalent
cohesion
ionic bonds
hydrogen bonds
16
The attraction between water molecules is called
polarity
surface tension
adhesion
cohesion
17
Which is the smallest and still considered living?
cell
atom
organ
organism
18
The graph shows enzyme activity. Which best describes what happens to the enzyme at 63 degrees?
It continues to speed up the reaction
it changes shape and can no longer speed up the reaction
It gets used up
It begins to decrease the rate of reaction
19
Chloroplasts undergo __________ and mitochondria undergo ___________.
respiration, metabolism
metabolism, respiration
cellular respiration, photosynthesis
photosynthesis, cellular respiration
20
These macromolecules serve as a source of stored energy and are components of cell membranes.
nucleic acids
lipids
ribosomes
proteins
21
The sodium-potassium pump is a type of
active transport
passive transport
diffusion
heredity
22
Facilitated diffusion is a type of
active transport
osmosis
movement that can only go one direction
passive transport
23
What is the role of ALL enzymes?
to speed up a chemical reaction
to change chemicals
hydrolysis
to eat up the products
24
What is the function of a nucleic acid?
battles disease
carries and passes genetic information
stores energy
maintains structure
25
When water freezes, it floats allowing
water to conserve energy
surface tension to not function
water to stick to other surfaces more efficiently
the water below to be insulated and life to be preserved
26
The picture is of a
cell wall
nucleus
ribosome
cell membrane
27
Which is not a property of water vital to supporting life on Earth?
ionic bonding
high specific heat
adhesion
cohesion
28
Which is the smallest?
organism
community
population
atom
29
Which BEST compares energy transformations of photosynthesis and cellular respiration?
They both require chemical energy to make food.
Only photosynthesis causes an increase in kinetic energy
They both store energy in bonds
Only photosynthesis uses oxygen to create energy.
30
When a cell requires energy for work, that energy is supplied in the form of
charges
ADP
mitochondria
ATP
31
The site of cellular respiration is (#9)
cell membrane
mitochondria
centrioles
nucleus
32
What is the main energy currency of the cell?
the sun
ADP
ATP
mitochondria
33
The plasma membrane is called "selectively permeable" because it
selects the types of molecules used in the cell membrane
only allows large molecules in to the cell
only lets certain substances in and out of the cell
selects the proteins involved in transport
34
A substrate is changed to product in metabolic reactions. What do enzymes do in the reaction?
they provide the energy
they adjust the pH of the reaction
they have no role
they speed up the reaction
35
The movement of particles without a protein, from an area of high concentration to low concentration is called
diffusion
facilitated diffusion
active transport
ATP
36
What are the building blocks (monomers) of nucleic acids?
sugar
peptides
amino acids
nucleotides
37
Anaerobic respiration is different from aerobic respiration because it does not use
nitrogen
oxygen
water
carbon
38
The following formula represents
photosynthesis
phosphorelation
life
cellular respiration
39
Passive transport always
uses energy
happens at night
goes down the concentration gradient
goes up the concentration gradient
40
This organelle contains folded membranes and sacs responsible for transporting materials (#5)
cell wall
mitochondria
Endoplasmic reticulum
nucleus
41
Amino acids are the building blocks of
cell membranes
proteins
ribosomes
cell walls
42
The movement of WATER through a semipermeable membrane down the concentration gradient is
active transport
facilitated diffusion
diffusion
osmosis
43
What is the difference between aerobic and anaerobic respiration?
anaerobic produces more ATP
aerobic produces less ATP
aerobic produces more ATP
anaeobic requires oxygen
44
What is the function of a carbohydrate?
create flexibility
store genetic information
store energy
water storage
45
Which is the largest?
organs
atom
cell
community
46
We get energy from our bodies by our cells using food and oxygen in a process called
diffusion
photosynthesis
cellular respiration
osmosis
47
What do all cells have in common?
ribosomes and nucleus
cell membrane and cytoplasm
proteins and cell wall
cell wall and cell membrane
48
In general triglyceride lipids are made of
amino acids
glycerol and three fatty acids
polymers
nucleotides
49
Biology is the scientific study of
plants
people
life
cells
50
Which cell is larger, prokaryotic or eukaryotic?
Prokaryotic
They are the same size
It is impossible to tell
Eukaryotic
