ATP

1. Cells store energy when ___________.

A) the third phosphate group breaks off from an ATP molecule
B) ions are released into the bloodstream
C) a third phosphate group is bonded to to an ADP molecule
D) they break down sucrose to glucose and fructose

2. ATP molecule

A) contain five phosphate groups
B) help a plant produce carbon dioxide
C) can both store energy and provide it for metabolic reactions
D) produce NADPH

3. Which of the following is not part of adenosine diphosphate?

A) glucose
B) two phosphate groups
C) adenine
D) ribose

4. Which phrase best describes the function of the ATP molecule?

A) converts energy
B) absorbs energy
C) carries energy
D) stores energy

5. Energy is released from ATP when the bond is broken between ________.

A) two phosphate groups
B) adenine and a phosphate group
C) ribose and a phosphate group
D) adenine and ribose

6. When ADP is converted to ATP the enzyme _______ is used.

A) rubioase
B) ATP synthase
C) ATPase
D) amylase

7. Glucose breaks down to give ____ATP's.

A) 12
B) 146
C) 36
D) 7

8. What does ATP stand for?

A) Adenine TriPhosphate
B) adenine Triple Power
C) Adenosine TriPhosphorus
D) adenosine triphosphate

9. Cells have only a small amount of ATP on hand at any give time. Why is this true?

A) It is not true. Cells do not use ATP at all.
B) ATP releases so much energy that only small amounts are necessary.
C) ATP is efficient for transferring, but not for long-term storage of energy.
D) It is not true. Cells have a great deal of ATP on hand at all times.

10. How can ADP be transformed into ATP?

A) removing adenine
B) adding energy and another ribose
C) adding energy and a phosphate group
D) removing energy and a phosphate

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