ATP

1. Cells store energy when ___________.

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

2. ATP molecule

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

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

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

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

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

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

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

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

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

7. Glucose breaks down to give ____ATP's.

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

8. What does ATP stand for?

A) Adenine TriPhosphate
B) Adenosine TriPhosphorus
C) adenine Triple Power
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 have a great deal of ATP on hand at all times.
B) ATP is efficient for transferring, but not for long-term storage of energy.
C) ATP releases so much energy that only small amounts are necessary.
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) adding energy and a phosphate group
C) removing energy and a phosphate
D) removing adenine

Altres proves d'interés :

Chemical Reactions
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cellular respiration & fermentation

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