The correct answer is catalyst. Hope that helps.
Radiation can cause plant cells to mutate and change from an original population
Light energy is initially converted into chemical energy in he form of two compounds: NADPH, a source of energized electrons and ATP, the versatile energy currency that the light reactions produce no sugar, that happens in the second stage of photosynthesis, the Calvin cycle.
The correct answer for this question is (D) It can proceed in the dark.
Calvin cycle is named after Melvin C. Calvin, who won a Nobel prize in chemistry for finding it in 1961. Calvin cycle take place in chloroplasts during photosynthesis and it is a <u>light-independent reaction so also called as dark reaction.</u>
The Calvin cycle proceeds in three stages:
1. Carboxylation, during which CO2 combines with ribulose-1,5- bisphosphate
2. Reduction, during which carbohydrate is formed at the expense of photochemically made ATP and NADPH
3. Regeneration during which the CO2 acceptor ribulose-1,5- bisphosphate is formed again so that the cycle continues.
Answer: Queue comes from the Latin cauda, for tail.
