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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) help a plant produce carbon dioxide
B) can both store energy and provide it for metabolic reactions
C) contain five phosphate groups
D) produce NADPH
  • 3. Which of the following is not part of adenosine diphosphate?
A) glucose
B) adenine
C) two phosphate groups
D) ribose
  • 4. Which phrase best describes the function of the ATP molecule?
A) absorbs energy
B) carries energy
C) converts energy
D) stores energy
  • 5. Energy is released from ATP when the bond is broken between ________.
A) adenine and ribose
B) ribose and a phosphate group
C) adenine and a phosphate group
D) two phosphate groups
  • 6. When ADP is converted to ATP the enzyme _______ is used.
A) ATP synthase
B) ATPase
C) amylase
D) rubioase
  • 7. Glucose breaks down to give ____ATP's.
A) 7
B) 12
C) 36
D) 146
  • 8. What does ATP stand for?
A) adenosine triphosphate
B) Adenine TriPhosphate
C) Adenosine TriPhosphorus
D) adenine Triple Power
  • 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) It is not true. Cells do not use ATP at all.
D) ATP releases so much energy that only small amounts are necessary.
  • 10. How can ADP be transformed into ATP?
A) removing energy and a phosphate
B) adding energy and another ribose
C) removing adenine
D) adding energy and a phosphate group
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