C1.2.1 Properties of ATP + C1.2.2 Cellular processes requiring ATP

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Last updated 2:32 PM on 8/22/26
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9 Terms

1
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define cell respiration

the controlled release of energy from organic compounds to produce ATP (chemical energy)

2
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What is the byproduct of cell respiration?

heat

3
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What substrates are required for cell respiration?

organic molecules, mainy glucose and fatty acids are used

4
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In what structures does cell respiration occur?

in every cell, because it’s needed to produce energy necessary for function and survival

5
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What is the proper name of ATP?

Adenosine triphosphate

6
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How is energy carried by ATP?

A negatively charged phosphate ion is added/ removed to store/ release energy (respectively)

7
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What type of molecule is adenosine triphosphate?

a nucleotide

8
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outline the 3 defining structures of ATP

  • 3 phosphate groups

  • ribose

  • adenine


9
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Describe 5 properties that may ATP ideal for the cellular energy currency

  • Chemically stable at neutral pH typical of cells --> no breakdown and premature release of energy

  • Soluble in water -> diffuse freely in cytoplasm -> quick transport

  • Requires facilitated diffusion thru phospholipid membrane(one-way street) -> controlled ATP movement + no leakage out of cells

  • Energy easily released thru removal of 3rd phosphate group = small amount sufficient for wide range of tasks + minimal waste (if more energy was released, more would be wasted as heat)

  • Easily regeneratable: by adding 3rd phosphate to ADP