Chapter 6 section 1

Question 1

absorbs mostly orange-red and blue-violet light

Answer 1

chlorophyll A

Question 2

the photo systems and electron transport chains are located in the

Answer 2

thylakoid membrane

Question 3

both photosystem I and photosystem II

Answer 3

contain chlorophyll A molecules

Question 4

water participates directly in the light reactions or photosynthesis by

Answer 4

donating electrons to photo system II.

Question 5

the energy that is used to establish the proton gradient across the thylakoid membrane comes from the

Answer 5

passage of electrons along the electron transport chain of photosystem II.