ATP

1. Cells store energy when ___________.

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

2. ATP molecule

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

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

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

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

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

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

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

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

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

7. Glucose breaks down to give ____ATP's.

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

8. What does ATP stand for?

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

10. How can ADP be transformed into ATP?

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

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