Light Independent Reaction (Q2) Flashcards

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1
Q

Other terms for light independent reaction

A

Calvin cycle, dark reactions

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2
Q

Where does the Calvin cycle take place?

A

Stroma

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3
Q

What is the goal of the Calvin cycle?

A

Use ATP and NADPH to reduce CO2 into sugar

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4
Q

Three main stages of the Calvin cycle

A
  1. Carbon fixation
  2. Reduction
  3. Regeneration
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5
Q

How does carbon dioxide enter the leaves?

A

Through leaf openings called the stomata

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6
Q

Three reactants of the Calvin cycle

A
  1. CO2
  2. ATP
  3. NADPH
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7
Q

Four products of the Calvin cycle

A
  1. ADP
  2. NADP+
  3. Pi (inorganic phosphate)
  4. G3P
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8
Q

Stage 1: _____ molecules of _____ are attached to _____ molecules of _____ with the help of the enzyme _____. This produces an unstable and short-lived _____. Because it is unstable, it splits into _____ molecules of _____ per CO2.

A
  1. 3
  2. CO2
  3. 3
  4. ribulose 1,5-bisphosphate (RuBP)
  5. RuBP carboxylase oxygenase
  6. 6-carbon intermediate
  7. 2
  8. 3-phosphoglycerate
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9
Q

Stage 2: Each _____ receives a phosphate group from _____ through the process of _____, producing _____.

Afterwards, _____ electrons from this product are reduced, producing _____ molecules of _____.

A
  1. 3-phosphoglycerate
  2. ATP
  3. phosphorylation
  4. 1,3-bisphosphoglycerate
  5. 2
  6. 6
  7. glyceraldehyde 3-phosphate
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10
Q

Stage 3: _____ molecules of _____ are rearranged into _____ molecules of _____. To do this, it spends _____ molecules of ATP.

A
  1. 5
  2. glyceraldehyde 3-phosphate
  3. 3
  4. RuBP
  5. 3
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11
Q

Per cycle, how many ATP are consumed?

A

9, 6 molecules during reduction and 3 molecules during regeneration

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12
Q

Per cycle, how many NADPH are consumed?

A

6

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13
Q

How many CO2 molecules are needed to produce one glucose molecule?

A

6

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14
Q

How many ATP are needed to produce one glucose molecule?

A

18

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15
Q

How many NADPH are needed to produce one glucose molecule?

A

12

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