Calvin cycle

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How is NADPH made?

*by absorbing light & using that energy to split a water molecule and transfer the electron *NADPH and ATP is made *These are then used in the Calvin cycle to produce sugar.

2 G3P=______glucose

1

CO2 is how many carbons?

1

how many free (extra) G3P do you get from 3 turns of the cycle?

1

3 steps of Calvin cycle

1. carbon fixation 2. reduction 3. regeneration

how many free (extra) G3P would you get from 1 turn of the cycle?

1/3

how many free (extra) G3P do you get from 6 turns of the cycle

2

1 G3P = ____CO2

3

3 CO2= ______ RuBP

3

G3P is how many carbons?

3

how many turns of the cycle are needed to make 1 G3P

3

how many carbons does RuBP have?

5

how many G3P are needed to regenerate 3 RuBP?

5 : so both groups have 15 carbons total

Glucose has how many carbons?

6

how many turns of the cycle are needed to make 1 glucose

6

Which statement correctly describes carbon fixation? (a) the conversion of CO2 into an organic compound (b) the use of RuBisCO to form 3-PGA (c) the production of carbohydrate molecules from G3P (d) the formation of RuBP from G3P molecules (e) the use of ATP and NADPH to reduce CO2

A the conversion of CO2 into an organic compound

what is used to reduce 3 PGA?

ATP and NADPH

Where in eukaryotic cells does the Calvin cycle take place? (a) thylakoid membrane (b) thylakoid lumen (c) chloroplast stroma (d) granum

C chloroplast stroma

Which order of molecular conversions is correct for the Calvin cycle? (a) RuBP + G3P → 3-PGA → sugar (b) RuBisCO → CO2 → RuBP → G3P (c) RuBP + CO2 → [RuBisCO] 3-PGA → G3P (d) CO2 → 3-PGA → RuBP → G3P

C RuBP + CO2 → [RuBisCO] 3-PGA → G3P

carbon input?

CO2

Which molecule must enter the Calvin cycle continually for the light-independent reactions to take place? (a) RuBisCO (b) RuBP (c) 3-PGA (d) CO2

D CO2

ATP and NADPH is used to reduce PGA into ______

GA3P

Output?

GA3P

once co2 is attached to RuBP it will change into?

PGA

carbon fixation

adding co2 to RuBP

How is the ATP made?

by the actions of PSII and electron transport chain

How is NADPH?

due to NADP reductase

Rubisco

enzyme that does carbon fixation

Regenration:

from 5, 3 carbon molecules rearranged to 3, 5 carbon molecules

ATP and NADPH come from where?

light reactions

the cycle spins how many times for each CO2?

once

location?

stroma

RuBP

the molecule that reacts with CO2 during carbon fixation

What is the goal of the Calvin Cycle?

to make G3P(simple car


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