Where does glycolysis take place in eukaryotic cells?

mitochondrial intermembrane space

In glycolysis, for each molecule of glucose oxidized to pyruvate

two molecules of ATP are used and four molecules of ATP are produced.

two molecules of ATP are used and six molecules of ATP are produced.

two molecules of ATP are used and two molecules of ATP are produced.

six molecules of ATP are used and six molecules of ATP are produced.

Which of the following intermediary metabolites enters the citric acid cycle and is formed, in part, by the removal of a carbon (CO2) from one molecule of pyruvate?

glyceraldehydes–3–phosphate

Which of the following statements describes the results of this reaction? C 6 H 12 O 6 + 6 O 2 → 6 CO 2 + 6 H 2 O + Energy

C 6 H 12 O 6 is oxidized and O 2 is reduced.

C 6 H 12 O 6 is reduced and CO 2 is oxidized.

CO 2 is reduced and O 2 is oxidized.

O 2 is reduced and CO 2 is oxidized.

During aerobic respiration, electrons travel downhill in which sequence?

food → NADH → electron transport chain → oxygen

food → glycolysis → citric acid cycle → NADH → ATP

food → citric acid cycle → ATP → NAD+

glucose → ATP → electron transport chain → NADH

Which of the following is an example of potential rather than kinetic energy?

the flight of an insect foraging for food

the muscle contractions of a person mowing grass

water rushing over Niagara Falls

Which of the following is a statement of the first law of thermodynamics?

Energy cannot be created or destroyed.

The entropy of the universe is constant.

Kinetic energy is stored energy that results from the specific arrangement of matter.

The entropy of the universe is decreasing.

Succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by malonic acid, which resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the ratio of succinate to malonic acid reduces the inhibitory effect of malonic acid. What is malonic acid's role with respect to succinate dehydrogenase?

It is able to bind to succinate.

It blocks the binding of fumarate.

Which of the following statements describes enzyme cooperativity?

A substrate molecule bound to an active site of one subunit promotes substrate binding to the active site of other subunits.

Several substrate molecules can be catalyzed by the same enzyme.

A substrate binds to an active site and inhibits cooperation between enzymes in a pathway.

A multienzyme complex contains all the enzymes of a metabolic pathway.

The purpose of the Krebs cycle is to

completely oxidize the remaining glucose chain

regenerate NAD+ so glycolysis can continue

Chemiosmosis is the use of energy to _______________________

remove electrons from the ETC using oxygen gas

What is FALSE about ATP synthase

it actively transports H+ across membranes

it can be found in the mitochodrion and chloroplast

it is an enzyme with two substrates, ADP and a phosphate

Oxidative phosphorylation uses _______________ to make ATP

electron energy from oxygen gas

oxidative phosphorylation during ETC and ATP synthase

substrate level phosphorylation during glycolysis and krebs

Oxygen gas is a _____________ of cell respiration because it _______

reactant, removes low energy electrons from the ETC chain

reactant, replaces lost electrons from glucose

product, it the left over after the carbon chain releases its electrons

product, when water splits to give electrons, oxygen gas is the waste product

If the ETC was blocked by cyanide what would happen?

NADH and FADH2 would be in high levels

the mitochondrion would over heat

excessive NAD+ would build up in the cells and blood

ATP synthase directly uses _____________ to spin in order to connect phosphate onto ADP

diffusion from a proton gradient

diffusion from an electron gradient

active transport of a proton gradient

active transport of an electron gradient

Which of the following events occurs in the light reactions of photosynthesis?

light is absorbed and funneled to reaction-center chlorophyll a

carbon dioxide is fixed in organic molecules

Which of the following is directly associated with Photosystem I?

receiving electrons from the thylakoid membrane ETC

harvesting light energy to make ATP

extraction of hydrogen electrons from the splitting of water

What is the primary function of cyclic electron flow?

to produce additional carbon dioxide

In a plant cell, where are ATP synthase complexes located?

inner mitochondrial membranes only

thylakoid membrane and plasma membranes

Which of the following statements about the relationship between photosynthesis and cellular respiration is true?

Cellular respiration is catabolic and photosynthesis is anabolic.

In cellular respiration the biochemical pathways of photosynthesis run in reverse.

In photosynthesis the biochemical pathways of cellular respiration run in reverse.

Cellular respiration occurs only in animals and photosynthesis occurs only in plants.

Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells?

thylakoid membanes of chloroplasts

In photosynthetic cells, synthesis of ATP by chemiosmosis occurs during

both photosynthesis and cellular respiration

What is the relationship between wavelength of light and the quantity of energy per photon?

they have a direct, linear relationship

they are logarithmically related

they are only related in certain parts of the spectrum

AP Biology: Enzymes, Respiration & Photosynthesis

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AP Biology: Enzymes, Respiration & Photosynthesis

Quiz

•

Biology

•

11th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-7, HS-LS1-5, HS-LS2-3

Standards-aligned

Mary Frances Hanover

Used 30+ times

FREE Resource

87 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

ATP and NADPH

H2O and O2

CO2 and glucose

ADP, Pi, and NADP+

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a plant cell, where are the ATP synthase complexes located?

thylakoid membrane and plasma membrane

plasma membrane only

thylakoid membrane and inner mitochondrial membrane

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A plant has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are being absorbed by this pigment?

green and yellow

blue, green, and red

green, blue, and yellow

blue and violet

In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from

the stroma to the thylakoid space.

the thylakoid space to the stroma.

the matrix to the stroma.

the stroma to the photosystem II.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during

photorespiration

photosynthesis.

respiration.

neither photosynthesis nor respiration.

When oxygen is released as a result of photosynthesis, it is a direct by–product of

chemiosmosis.

splitting water molecules.

the electron transfer system of photosystem II.

the electron transfer system of photosystem I.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the Calvin cycle take place?

interior of the thylakoid (thylakoid space)

outer membrane of the chloroplast

thylakoid membrane

stroma of the chloroplast

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AP Biology: Enzymes, Respiration & Photosynthesis

87 questions

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

In a plant cell, where are the ATP synthase complexes located?

A plant has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are being absorbed by this pigment?

In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from

The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during

When oxygen is released as a result of photosynthesis, it is a direct by–product of

Where does the Calvin cycle take place?

In any ecosystem, terrestrial or aquatic, what group(s) is (are) always necessary?

What is the term for metabolic pathways that release stored energy by breaking down complex molecules?

Where does glycolysis take place in eukaryotic cells?

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