Question 1

Photosynthesis takes place in ____________.

Accepted Answer

A) 960 nm 
B) magnesium 
C) ATP synthase 
D) chloroplasts 
E) thylakoids
F)copper
G)β-carotene
H)680 nm
I)FAD
J)chlorophyll a
K)ferredoxin b
L)resonance energy transfer 
A) 960 nm 
B) magnesium 
C) ATP synthase 
D) chloroplasts 
E) thylakoids
F)copper
G)β-carotene
H)680 nm
I)FAD
J)chlorophyll a
K)ferredoxin b
L)resonance energy transfer

Question 2

Describe the path of electrons in photosystem I.

Accepted Answer

The electrons transfer from P7

Question 3

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)  A and C. 
E)  A, B, and C. 
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)  A and C. 
E)  A, B, and C.

Question 4

____________: Plastocyanin requires this cofactor for activity.

Accepted Answer

A) 960 nm 
B) magnesium 
C) ATP synthase 
D) chloroplasts 
E) thylakoids
F)copper
G)β-carotene
H)680 nm
I)FAD
J)chlorophyll a
K)ferredoxin b
L)resonance energy transfer 
A) 960 nm 
B) magnesium 
C) ATP synthase 
D) chloroplasts 
E) thylakoids
F)copper
G)β-carotene
H)680 nm
I)FAD
J)chlorophyll a
K)ferredoxin b
L)resonance energy transfer

Question 5

Complete the following reaction for photosystem I:
Pc(Cu+) + Fdox + light →

Accepted Answer

A)  Pc(Cu+) + Fdox + light → Pc (Cu+) + (Cu+) Fdred 
B)  Pc(Cu+) + Fdox + light → Pc (Cu2+) + Fdred 
C)  Pc(Cu+) + Fdox + light → Pc + Fdred(Cu2+) 
D)  Pc(Cu+) + Fdox + light → Pc- (Cu3+) + Fdred 
E)  None of the above. 
A)  Pc(Cu+) + Fdox + light → Pc (Cu+) + (Cu+) Fdred 
B)  Pc(Cu+) + Fdox + light → Pc (Cu2+) + Fdred 
C)  Pc(Cu+) + Fdox + light → Pc + Fdred(Cu2+) 
D)  Pc(Cu+) + Fdox + light → Pc- (Cu3+) + Fdred 
E)  None of the above.

Question 6

How is a chloroplast similar to a mitochondria?

Accepted Answer

Both are sites for ATP synthesis. Both h

Exam 22: The Light Reactions

Photosynthesis takes place in ____________.

Describe the path of electrons in photosystem I.

The D1 and D2 subunits of photosystem II:

____________: Plastocyanin requires this cofactor for activity.

Complete the following reaction for photosystem I: Pc(Cu+) + Fdox + light →

How is a chloroplast similar to a mitochondria?

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters