Question 1

What is a difference between ATP and ADP molecules?

Accepted Answer

ATP has three phosphate groups, while ADP has two phosphate groups.

Answer

ADP is only made in plants, while ATP is made in both plants and animals.

Answer

ADP can be used to directly power movement, while ATP cannot.

Answer

ATP molecules provide less energy to the cell than ADP molecules.

Question 2

Which of the following processes releases energy to be used by a cell?

Accepted Answer

A phosphate group is removed from ATP to form ADP.

Answer

A phosphate group is removed from ADP to form ATP.

Answer

A phosphate group is added to ADP to form ATP.

Answer

A phosphate group is added to ATP to form ADP.

Question 3

Energy is released to be used by a cell when a phosphate group is

Accepted Answer

removed from ATP to form ADP

Answer

added to ATP to form ADP

Answer

added to ADP to form ATP

Answer

removed from ADP to form ATP

Question 4

What is added to ADP to form ATP?

Accepted Answer

A third phosphate group

Answer

A second phosphate group

Answer

A third ribose group

Answer

A second ribose group

Question 5

The immediate source of energy that powers a cell's activities is

Accepted Answer

adenosine triphosphate

Answer

adenosine diphosphate

Question 6

Which of the following releases energy?

Accepted Answer

Removing a phosphate group from an ATP molecule

Answer

Nutrients entering a cell through the cell membrane

Answer

Building sugar or starch molecules for long-term energy storage

Answer

Adding an additional phosphate group to an ADP molecule

Question 7

Food taken in by living organisms can be broken down and used to

Accepted Answer

build ATP molecules from ADP

Answer

break the bonds in starch molecules

Answer

build starch molecules from glucose

Answer

break down ATP molecules

Question 8

What molecules can be used for long-term energy storage?

Accepted Answer

Starch and fat

Answer

Starch and ATP

Answer

ADP and ATP

Answer

ADP and fat

Question 9

What type of molecule do plant cells use for long-term energy storage?

Accepted Answer

Starch

Answer

ADP

Answer

Fat

Answer

ATP

Question 10

What type of molecule do animal cells use for long-term energy storage?

Accepted Answer

Fat

Answer

ADP

Answer

Sugar

Answer

Starch

Question 11

How do starch and ATP store and supply energy?

Accepted Answer

ATP is used for immediate energy and short-term storage, while starch molecules are stable and can be stored for a long time.

Answer

Starch and ATP are both stable and store long-term energy.

Answer

Starch and ATP are both unstable and store short-term energy.

Answer

ATP is used for immediate energy and long-term storage, while starch molecules are unstable and can be stored for a short amount of time.

Question 12

Fat and ATP are different molecules that can both be described as molecules that store energy. Compare the functions of these molecules in terms of energy storage.

Accepted Answer

Fat molecules are stable and can be stored for a long time, while ATP is not.

Answer

ATP molecules are made when where there is an excess amount of energy, while fat molecules are used immediately.

Answer

Fat molecules are unstable and can be stored short-term, while ATP molecules are stable and stored long term.

Answer

ATP molecules are used for long-term storage, while fat is used for immediate energy.

Question 13

Why do cells use fat and starch for long-term energy storage instead of ATP molecules?

Accepted Answer

ATP is used for short-term energy and to build molecules of starch and fat.

Answer

ATP is used for long-term storage, while fat and starch are used for immediate energy.

Answer

Fat and starch are stable if used as energy immediately, while ATP is used as long-term storage.

Answer

Fat and starch are unstable and can be stored short-term, while ATP molecules are stable and stored long-term.

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