How is a molecule oxidized?

Electrons are taken from the molecule

Electrons are added to the molecule

Electrons are shared with the molecule

Protons are added to the molecule

changing the order of the reaction

Which of the following is true for anabolic reactions?

They are nonspontaneous and build molecules.

They are spontaneous and breakdown molecules.

They are nonspontaneous and breakdown molecules.

They are spontaneous and build molecules.

The active site of an enzyme can:

bind non-competitive inhibitors.

change the Gibbs Free Energy of the reaction.

In general, enzymes do NOT:

bind permanently to their substrates

have their function changed with extremely high temperatures

react with a specific substrate

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.

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

electron transfer in photosystem II and I

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

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

The cells will never run out of oxygen if the weightlifter is breathing.

As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

What is the primary function of cyclic electron flow?

to produce additional carbon dioxide

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.

What is the primary function of the Calvin cycle?

produce simple sugars from carbon dioxide

regenerate ATP for use in the light reactions of photosynthesis

produce carbon dioxide for use in the light reactions of photosynthesis

produce oxygen by oxidizing water

Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?

The light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle returns ADP, ℗i, and NADP+ to the light reactions.

The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.

The light reactions supply the Calvin cycle with CO2 to produce sugars, and the Calvin cycle supplies the light reactions with sugars to produce ATP.

The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP.

Which process does not occur in aerobic conditions?

Citric Acid Cycle or Krebs cycle

ATP is synthesized when H+ ions move through a channel in ATP synthase

H+ ions serve as the final electron acceptor

a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion

energy is released as H+ ions move freely across the mitochondrial membrane

What are the stages of cellular respiration in order?

glycolysis, the citric acid cycle, oxidative phosphorylation

glycolysis, oxidative phosphorylation, the citric acid cycle

oxidative phosphorylation, glycolysis, the citric acid cycle

the citric acid cycle, oxidative phosphorylation, glycolysis

The main purpose of anaerobic respiration is to

replenish oxaloacetic acid for the Krebs cycle

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AP Biology - Energy Test

Quiz

•

Biology

•

9th Grade

•

Practice Problem

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Medium

•

NGSS

HS-LS1-7, HS-LS2-3, HS-PS1-4

Standards-aligned

Jennifer Payton

Used 122+ times

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40 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Net release of energy

endergonic

exergonic

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Net intake of energy

endergonic

exergonic

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true for anabolic pathways?

they do not depend on enzymes

they are usually spontaneous chemical reactions

they consume energy to build polymers from monomers

They release energy as they degrade polymers to monomers

Tags

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A + B --> AB + Energy
This is what type of reaction?

exergonic

endergonic

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To do work, living systems will pair an catabolic reaction with a(n)________________

exergonic reaction

oxidative reaction

ATP synthesis

anabolic reaction

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true according to the image?

A: endergonic; B: exergonic

A: exothermic; B: endothermic

A: exergonic; B: endergonic

A: endothermic; B: exothermic

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The reaction shown is:

endergonic because energy is released

exergonic because energy is released

endergonic because energy is captured

exergonic because energy is captured

Tags

NGSS.HS-PS1-4

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AP Biology - Energy Test

40 questions

Net release of energy

Net intake of energy

Which of the following is true for anabolic pathways?

A + B --> AB + Energy
This is what type of reaction?

To do work, living systems will pair an catabolic reaction with a(n)________________

Which statement is true according to the image?

The reaction shown is:

Where is energy stored in ATP?

If an inorganic phosphate is added to the molecule pictured here...what would that process be called?

reaction "II" takes place in the

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AP Biology - Energy Test

40 questions

Net release of energy

Net intake of energy

Which of the following is true for anabolic pathways?

A + B --> AB + EnergyThis is what type of reaction?

To do work, living systems will pair an catabolic reaction with a(n)________________

Which statement is true according to the image?

The reaction shown is:

Where is energy stored in ATP?

If an inorganic phosphate is added to the molecule pictured here...what would that process be called?

reaction "II" takes place in the

Create a free account and access millions of resources

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A + B --> AB + Energy
This is what type of reaction?