ATP

1. Cells store energy when ___________.

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

2. ATP molecule

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

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

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

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

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

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

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

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

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

7. Glucose breaks down to give ____ATP's.

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

8. What does ATP stand for?

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

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

Otros exámenes de interés :

Chemical Reactions
photosynthesis key terms match up
cellular respiration & fermentation

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