2.9 Photosynthesis

Question 1

Define photsynthesis.

Answer 1

The production of carbon compounds in cells using light energy.

Question 2

Distinguish between the action and absorption spectra for photosynthesis.

Answer 2

Action: the rate of photosynthesis at each wavelength
Absorption: The percentage of light absorbed at each wavelength

Question 3

Where does all of the oxygen come from in photsynthesis? Write the equation of the reaction.

Answer 3

Photolysis of H2O: 2H2O –> 4e- + 4H+ + O2

Question 4

Write a word equation for the process of photosynthesis.

Answer 4

carbon dioxide + water –> carbohydrate + oxygen

Question 5

What is the granum of the chloroplast?

Answer 5

Structure containing carotenoids and chlorophyll; site of photosynthesis

Question 6

What are thylakoid membranes?

Answer 6

site of light-dependent reactions

Question 7

What is the stroma?

Answer 7

Where CO2 converted into sugar

Question 8

What is the lumen of the chloroplast?

Answer 8

It is the thylakoid space. Where molecular oxygen is produced from water. Where photosynthesis takes place.