Question 1

What are the likely reasons that manganese evolved as the ion used in photosystem II?

Accepted Answer

Manganese can exist in multipl...

Question 2

What organelle is the site of photosynthesis?

Accepted Answer

A)   chloroplast
B)   mitochondria
C)   vacuole
D)   endoplasmic reticulum
E)   None of the answers is correct.F) A) and D)
G) A) and C)

Question 3

Light absorbed by a chlorophyll a causes an electron to move

Accepted Answer

A)   from the photon to the chlorophyll.
B)   from ground state to an excited state.
C)   to a neighboring water molecule.
D)   from chlorophyll to ADP.
E)   None of the answers is correct.F) C) and D)
G) B) and D)

Question 4

How is light used in photosynthesis?

Accepted Answer

A)   The light is necessary to make the chlorophyll green, so the pigment can transmit electrons.
B)   The light is used to generate high-energy electrons with great reducing potential.
C)   The light provides heat energy for the chloroplasts.
D)   The light is absorbed by oxygen which is converted into water.
E)   None of the answers is correct.F) A) and B)
G) A) and C)

Question 5

Describe the path of electrons in photosystem I.Provide a diagram if necessary.

Accepted Answer

The electrons transfer from P7...

Question 6

Electrons flow from photosystem II to photosystem I through the ________________ complex.

Accepted Answer

The answer of Electrons flow from photosystem II to photosystem...

Question 7

The manganese center of photosystem II converts _________ to __________.

Accepted Answer

The answer of The manganese center of photosystem II converts...

Question 8

What cofactor is required by plastocyanin for proper activity?

Accepted Answer

A)   manganese
B)   iron
C)   copper
D)   magnesium
E)   zincF) A) and C)
G) A) and B)

Question 9

P680 is the pigment reaction center for ____________________.

Accepted Answer

The answer of P680 is the pigment reaction center for...

Question 10

The D1 and D2 subunits of photosystem II

Accepted Answer

A)   span the thylakoid membrane.
B)   are similar to each other.
C)   are homologous to the L and M chains of the bacterial center.
D)   are similar to each other and are homologous to the L and M chains of the bacterial center.
E)   All the answers are correct.F) A) and D)
G) C) and D)

Exam 19: The Light Reactions of Photosynthesis

Electrons flow from photosystem II to photosystem I through the ________________ complex.

Correct Answer
verified

Describe the path of electrons in photosystem I.Provide a diagram if necessary.

Correct Answer
verified
The electrons transfer from P7...
View Answer

Light absorbed by a chlorophyll a causes an electron to move

Correct Answer
verified

What organelle is the site of photosynthesis?

Correct Answer
verified

The D1 and D2 subunits of photosystem II

Correct Answer
verified

P680 is the pigment reaction center for ____________________.

Correct Answer
verified

The manganese center of photosystem II converts _ to __.

Correct Answer
verified

What cofactor is required by plastocyanin for proper activity?

Correct Answer
verified

How is light used in photosynthesis?

Correct Answer
verified

What are the likely reasons that manganese evolved as the ion used in photosystem II?

Correct Answer
verified
Manganese can exist in multipl...
View Answer

Exam 19: The Light Reactions of Photosynthesis

Electrons flow from photosystem II to photosystem I through the ________________ complex.

Correct AnswerverifiedShow Answer

Describe the path of electrons in photosystem I.Provide a diagram if necessary.

Correct AnswerverifiedThe electrons transfer from P7...View AnswerShow Answer

Light absorbed by a chlorophyll a causes an electron to move

Correct AnswerverifiedShow Answer

What organelle is the site of photosynthesis?

Correct AnswerverifiedShow Answer

The D1 and D2 subunits of photosystem II

Correct AnswerverifiedShow Answer

P680 is the pigment reaction center for ____________________.

Correct AnswerverifiedShow Answer

The manganese center of photosystem II converts _________ to __________.

Correct AnswerverifiedShow Answer

What cofactor is required by plastocyanin for proper activity?

Correct AnswerverifiedShow Answer

How is light used in photosynthesis?

Correct AnswerverifiedShow Answer

What are the likely reasons that manganese evolved as the ion used in photosystem II?

Correct AnswerverifiedManganese can exist in multipl...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified
The electrons transfer from P7...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The manganese center of photosystem II converts _ to __.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Manganese can exist in multipl...
View Answer