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Keystone Review
Proteins are made of
The site of cellular respiration is (#9)
Keystone Review
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1
The site of cellular respiration is (#9)
mitochondria
centrioles
cell membrane
nucleus
2
Proteins are made of
amino acids
cell membranes
ribosomes
DNA
3
Facilitated diffusion is a type of
movement that can only go one direction
passive transport
active transport
osmosis
4
When water freezes, it floats allowing
the water below to be insulated and life to be preserved
water to conserve energy
surface tension to not function
water to stick to other surfaces more efficiently
5
The following formula represents
photosynthesis
cellular respiration
cells
biology
6
What is the function of a nucleic acid?
maintains structure
carries and passes genetic information
battles disease
stores energy
7
The attraction between water molecules is called
cohesion
surface tension
polarity
adhesion
8
Which BEST compares energy transformations of photosynthesis and cellular respiration?
Only photosynthesis causes an increase in kinetic energy
They both require chemical energy to make food.
Only photosynthesis uses oxygen to create energy.
They both store energy in bonds
9
What do all cells have in common?
proteins and cell wall
cell membrane and cytoplasm
cell wall and cell membrane
ribosomes and nucleus
10
What is the function of a carbohydrate?
store genetic information
store energy
create flexibility
water storage
11
Which is the largest?
community
organs
cell
atom
12
In general triglyceride lipids are made of
nucleotides
polymers
glycerol and three fatty acids
amino acids
13
Organisms can be classified as prokaryotes and eukaryotes. What do they all have in common?
cell wall and chloroplasts
plasma membrane and nucleus
plasma membrane and cytoplasm
cell wall and nucleus
14
A substrate is changed to product in metabolic reactions. What do enzymes do in the reaction?
they provide the energy
they speed up the reaction
they adjust the pH of the reaction
they have no role
15
What is the main energy currency of the cell?
the sun
ATP
ADP
mitochondria
16
What is the difference between aerobic and anaerobic respiration?
aerobic produces more ATP
anaeobic requires oxygen
aerobic produces less ATP
anaerobic produces more ATP
17
DNA and RNA are examples of
proteins
lipids
nucleic acids
carbohydrates
18
What is one difference between active and passive transport?
Passive transport goes up the concentration gradient
Active transport goes down the concentration gradient
Active transport uses ATP
Passive transport uses ATP
19
Ribosomes make
energy
proteins
mitochondria
water
20
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
selects the proteins involved in transport
only lets certain substances in and out of the cell
21
Which is the smallest?
atom
community
population
organism
22
Sugars, starches, and cellulose are all examples of
monomers
nucleic acids
carbohydrates
proteins
23
This organelle contains folded membranes and sacs responsible for transporting materials (#5)
mitochondria
cell wall
nucleus
Endoplasmic reticulum
24
The energy used in active transport comes from
cellular respiration
photosynthesis
carbon dioxide
water
25
The bonds found between two different water molecules are called
hydrogen bonds
ionic bonds
polar covalent
cohesion
26
Which characteristic is shared by ALL prokaryotes and eukaryotes?
ability to store hereditary information
use of a cell wall for structural support
use of organelles to control cell processes
ability to move in response to environmental stimuli
27
The picture is of a
ribosome
cell wall
nucleus
cell membrane
28
Which is an abiotic part of the following ecosystem?
sea gull
sea weed
water
dolphins
29
These macromolecules serve as a source of stored energy and are components of cell membranes.
lipids
nucleic acids
ribosomes
proteins
30
Passive transport always
goes down the concentration gradient
goes up the concentration gradient
happens at night
uses energy
31
The movement of WATER through a semipermeable membrane down the concentration gradient is
facilitated diffusion
active transport
osmosis
diffusion
32
Amino acids are the building blocks of
cell membranes
ribosomes
proteins
cell walls
33
When a cell requires energy for work, that energy is supplied in the form of
charges
ATP
ADP
mitochondria
34
Which functional characteristic of proteins distinguishes them from carbohydrates?
efficient storage of usable chemical energy
tendency to make cell membranes hydrophobic
ability to catalyze biochemical reactions
large amounts of stored information
35
Using a microscope, a student observes a small, green organelle in a plant cell. We call this a
cell wall
chloroplast
ribosome
mitochondria
36
What are the building blocks (monomers) of nucleic acids?
peptides
sugar
amino acids
nucleotides
37
We get energy from our bodies by our cells using food and oxygen in a process called
cellular respiration
osmosis
diffusion
photosynthesis
38
Anaerobic respiration is different from aerobic respiration because it does not use
carbon
nitrogen
oxygen
water
39
Which cell is larger, prokaryotic or eukaryotic?
Eukaryotic
It is impossible to tell
They are the same size
Prokaryotic
40
The following formula represents
photosynthesis
cellular respiration
phosphorelation
life
41
The sodium-potassium pump is a type of
heredity
passive transport
active transport
diffusion
42
The building blocks (monomers) of carbohydrates are called
lipds
water
animo acids
monosaccharides
43
A substance that enables a chemical reaction to proceed faster or under different conditions.
polymer
protein
monomer
catalyst
44
Chloroplasts undergo __________ and mitochondria undergo ___________.
metabolism, respiration
respiration, metabolism
photosynthesis, cellular respiration
cellular respiration, photosynthesis
45
Which is not a property of water vital to supporting life on Earth?
adhesion
ionic bonding
high specific heat
cohesion
46
Which is the smallest and still considered living?
atom
organ
organism
cell
47
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 continues to speed up the reaction
it changes shape and can no longer speed up the reaction
It gets used up
48
The movement of particles without a protein, from an area of high concentration to low concentration is called
facilitated diffusion
ATP
active transport
diffusion
49
In a chloroplasts of a plant cell, which energy transformation most likely occurs?
chemical to chemical
ATP to light
light to chemical
heat to electrical
50
Which of the following is a biotic part of this ecosystem?
dolphins
bubbles
termperature
water
51
Biology is the scientific study of
plants
cells
people
life
52
What is the role of ALL enzymes?
to speed up a chemical reaction
to change chemicals
to eat up the products
hydrolysis
