photosynthes

Question 1

what are the fates of sugar?

Answer 1

1. cellulose (for cell wall)
2. Turned into starch (stored energy)
3. Broken down during respiration to provide energy for things like cell division

Question 2

What are the 2 stages of photosynthesis?

Answer 2

1. light reactions
   2.carbon fixations

Question 3

what happens during light reactions?

Answer 3

1. light trapped by chlorophyll
   2.light energy converted to chemical energy (in form of ATP)
   3.water split into hydrogen and oxygen
   4.Oxygen diffused out of cell
2. ATP and hydrogen carried on for stage 2

Question 4

what happens during carbon fixations?

Answer 4

1. ATP from stage 1 broken down to release energy
2. That energy + hydrogen also from stage one used to produce glucose

Question 5

What is a limiting factor?

Answer 5

A factor which slows down or stops an experiment because it is in short supply (eg. oxygen, carbon dioxide)