Question 1

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. 
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.

Question 2

The manganese center of photosystem II converts _________ to __________.

Accepted Answer

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

Question 3

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

Accepted Answer

Manganese can exist in multipl

Question 4

What cofactor is required by plastocyanin for proper activity?

Accepted Answer

A)  manganese 
B)  iron 
C)  copper 
D)  magnesium 
E)  zinc 
A)  manganese 
B)  iron 
C)  copper 
D)  magnesium 
E)  zinc

Question 5

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

Accepted Answer

The electrons transfer from P7

Question 6

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

Question 7

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. 
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.

Question 8

P680 is the pigment reaction center for ____________________.

Accepted Answer

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

Question 9

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. 
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.

Question 10

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

Accepted Answer

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

Exam 19: The Light Reactions of Photosynthesis

Light absorbed by a chlorophyll a causes an electron to move

The manganese center of photosystem II converts _________ to __________.

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

What cofactor is required by plastocyanin for proper activity?

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

What organelle is the site of photosynthesis?

How is light used in photosynthesis?

P680 is the pigment reaction center for ____________________.

The D1 and D2 subunits of photosystem II

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

Biochemistry: An Evolving Science

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DNA, RNA, and the Flow of Genetic Information

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Hemoglobin: a Portrait of a Protein in Action

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Metabolism: Basic Concepts and Design

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The manganese center of photosystem II converts _ to __.