Light Independent Reaction

Question 1

Where does the light independent reaction take place?

Answer 1

In the stroma of chloroplasts

Question 2

What molecules from LDR is used for the LIR?

Answer 2

ATP
NADPH

Question 3

How does the LIR start?

Answer 3

RuBp reacts with CO2 to produce CO2

Question 4

RuBp full name

Answer 4

Ribulose bisphosphate

Question 5

Rubisco

Answer 5

Catalyses reaction of CO2 and RuBP

Question 6

RuBP + CO2 produces?

Answer 6

2 molecules of GP

Question 7

What happens to the 2 molecules of GP

Answer 7

It is reduced by gaining electron and H+ from NADPH (with energy released in the form of ATP)
To form 2 molecules of triose phosphate

Question 8

What happens toNADPH?

Answer 8

It is oxidised back to NADP

Question 9

2 molecules of triose phosphate can…

Answer 9

Regenerate RuBP (energy released from ATP)
Forms organic substances

Question 10

How many turns of the cycle are required to produce 1 molecule of glucose?

Answer 10

6 Turns (shown in equation that 6CO2 is used)

Question 11

6 Turns of the Calvin cycle…

Answer 11

Generates 12 triose phosphate = 36 carbon present
1 glucose molecule (6 carbon) 5 RuBP (30 carbon because one RuBP has 5 carbon)