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Biochemistry
Homeostasis
Photosynthesis
Respiration
Cell
Reproduction
100
100
100
100
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100
200
200
200
200
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300
300
300
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300
300
400
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400
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500
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500
500
An iodine solution is placed on
the cut side of a potato. Within
seconds, a blue-black color
appears. What is most likely
occurring?
A a positive test for proteins
B a positive test for starches
C a negative test for proteins
D a negative test for starches
A 100
B a positive test for starches
A 100
RNA and DNA are which type of
organic compound?
A carbohydrate
B lipid
C nucleic acid
D protein
A 200
C nucleic acids
A 200
This diagram shows an enzyme-substrate
complex.
Which is represented by the blue structure?
A substrate
B product
C enzyme
D complex
Which is represented by the blue structure?
A substrate
B product
C enzyme
D complex
A 300
A substrate
A 300
What will most likely happen if an
appropriate enzyme is added to a
chemical reaction?
A The reaction rate will increase.
B The equilibrium of the reaction
will be maintained.
C The reaction rate will decrease.
D The reaction will stop.
A 400
A the reaction rate will increase
A 400
Enzymes are classified as which
of the following biological
organic compounds?
A carbohydrates
B lipids
C nucleic acids
D proteins
A 500
D proteins
A 500
A scientist treats a cell with a
chemical that destroys the ribosomes.
As a result, which cell process will be
stopped?
A osmosis
B photosynthesis
C protein synthesis
D respiration
B 100
C protein synthesis
B 100
Which is the most likely function
of a group of cells that contains a
high number of chloroplasts?
A respiration
B transpiration
C fermentation
D photosynthesis
B 200
D photosynthesis
B 200
Some organelles have their own
DNA that is distinct from the
cell’s nuclear DNA. This is true
of which organelle?
A cell wall
B mitochondrion
C plasma membrane
D vacuole
B 300
B mitochondrion
B 300
Why do cells need buffering
agents?
A to maintain constant internal
environment at a pH of 10
B to minimize the changes in pH
of the internal environment
C to function properly in an
extremely basic internal
environment
D to function properly in an
extremely acid internal
environment
B 400
B to minimize changes in pH in
the internal environment
B 400
Individuals who lack lactase are
unable to break down the sugar
lactose. Which term best
describes lactase?
A enzyme
B fatty acid
C lipid
D starch
B 500
A enzyme
B 500
Placing wilted lettuce in cold water
will make it crisp again. Which
statement best describes what
happens to restore the lettuce to its
original condition?
A Water left the lettuce cells by
diffusion.
B Water entered the cells of the
lettuce by osmosis.
C Osmosis caused salts to enter the
lettuce cells.
D Salts in the leaf caused water to
leave the cells.
C 100
B water entered the cells
C 100
Which cell process will move
substances against a
concentration gradient?
A diffusion
B facilitated diffusion
C osmosis
D active transport
C 200
D active transport
C 200
A person with swollen gums rinses his
mouth with warm salt water, and the
swelling decreases. Which has
occurred?
A The swollen gums have absorbed
the saltwater solution.
B The saltwater solution lowers the
temperature of the water in the gums.
C The salt in the solution has
moved against the concentration gradient.
D The water in the gums has moved from
a high to a low concentration of water.
C 300
D the water has moved from
a high to a low concentration
C 300
DAILY
Place A Wager
DOUBLE
C 400
Which is an example of osmosis?
A potassium ions moving in and
out of an animal cell
B carbon dioxide moving into
the leaf cells of a plant
C oxygen moving into the
bloodstream from the lungs
D water moving into the root
cells of a plant
C 400
D water moving into the root
cells of a plant
C 400
In humans, glucose is kept in
balance in the bloodstream by
insulin. Which concept does this
best illustrate?
A adaptation
B homeostasis
C metabolism
D organization
C 500
B homeostasis
C 500
A plant species lives in an area with
limited sunlight. Which physical
adaptation would be most useful to
the plant?
A colorful flowers
B large leaves
C deep roots
D thin cuticle
D 100
B large leaves
D 100
What is the main function of leaves?
A Leaves provide support for
growth and a place to store food.
B Leaves provide a place for
photosynthesis to occur.
C Leaves absorb water and
minerals and transport nutrients
to the stem.
D 200
B leaves provide a place for
photosynthesis to occur
D 200
In which way are photosynthesis and
cellular respiration different?
A Cellular respiration stores ATP, while
photosynthesis releases ATP.
B Cellular respiration produces oxygen, while
photosynthesis uses oxygen.
C Photosynthesis releases energy, while cellular
respiration stores energy.
D Photosynthesis uses carbon dioxide, while
cellular respiration produces carbon dioxide.
D 300
D Photosynthesis uses carbon
dioxide, while cellular respiration
produces carbon dioxide.
D 300
Which kingdoms have
photosynthetic organisms?
A fungi and plants
B fungi and protists
C protists and plants
D plants and animals
D 400
C protists and plants
D 400
Which structure in the leaf
controls the opening and closing
of the stoma?
A cuticle
B epidermis
C guard cell
D spongy mesophyll
D 500
C guard cells
D 500
Which organism is most likely to
use anaerobic respiration?
A bird
B moss
C tree
D yeast
E 100
D yeast
E 100
Two different species of bacteria are
examined. Scientists find that Species X
always produces CO2 and H2O during
cellular respiration. Species Y always
produces ethyl alcohol and CO2 . Which
conclusion can be made from these
observations?
A Only Species Y is aerobic.
B Only Species Y is anaerobic.
C Both Species X and Y are aerobic.
D Both Species X and Y are
anaerobic.
E 200
B only species Y is anaerobic
E 200
In terms of ATP production, which
process results in the most stored
energy?
A aerobic respiration
B anaerobic respiration
C fermentation
D photosynthesis
E 300
A aerobic respiration
E 300
Which statement best distinguishes
aerobic from anaerobic respiration?
A Only aerobic respiration involves
fermentation.
B Only anaerobic respiration occurs
in the mitochondria.
C Only aerobic respiration requires
oxygen.
D Only anaerobic respiration
produces carbon dioxide.
E 400
C only aerobic respiration
requires oxygen
E 400
Which most accurately describes the
difference in ATP production between
aerobic respiration and anaerobic
respiration?
A Aerobic respiration produces more ATP
than anaerobic respiration.
B Anaerobic respiration produces more
ATP than aerobic respiration.
C Only anaerobic respiration produces
measurable amounts of ATP.
D Anaerobic and aerobic respiration
produce the same amount of ATP.
E 500
A aerobic respiration
produces more ATP than
anaerobic respiration
E 500
Sexual reproduction provides for
what to occur?
A cloning
B budding
C genetic stability
D genetic variation
F 100
D genetic variation
F 100
Which would most likely favor
species survival in changing
environmental conditions?
A genetic recombination
B energy involvement in gamete
production
C length of life cycle
D number of offspring produced
F 200
A genetic recombination
F 200
Before a cell goes through either
mitosis or meiosis, which process
must be carried out by the DNA in
the nucleus?
A replication
B nondisjunction
C transcription
D translation
F 300
A replication
F 300
Which term best describes the type
of cell division in which parent cells
produce daughter cells with the same
number of chromosomes as the
parent cells?
A mitosis
B meiosis
C spermatogenesis
D oogenesis
F 400
A mitosis
F 400
What is the primary cause of
variation in the offspring of sexually
reproducing organisms?
A cytoplasmic division
B environmental changes
C mutation
D recombination of alleles
F 500
D recombination of alleles
F 500
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