Question 1

NADPH contains the pentose sugar and the nitrogenous base .

Accepted Answer

A) deoxyribose; cytosine 
B) ribose; nicotinamide 
C) glucose; thymine 
D) deoxyribose; nicotinamide 
E) ribose; adenine 
A) deoxyribose; cytosine 
B) ribose; nicotinamide 
C) glucose; thymine 
D) deoxyribose; nicotinamide 
E) ribose; adenine

Question 2

Which of the following initially traps solar energy in the process of photosynthesis?

Accepted Answer

A) ATP 
B) triose phosphate 
C) chlorophyll 
D) water 
E) NADP+ 
A) ATP 
B) triose phosphate 
C) chlorophyll 
D) water 
E) NADP+

Question 3

Which of the following pigments is found exclusively in red algae?

Accepted Answer

A) chlorophyll c 
B) fi- carotene 
C) lutein 
D) chlorophyll a 
E) phycoerythrin 
A) chlorophyll c 
B) fi- carotene 
C) lutein 
D) chlorophyll a 
E) phycoerythrin

Question 4

The endosymbiont theory attempts to explain the evolutionary origin of eukaryotes. Describe this theory in a paragraph. Be sure to use these terms: semiautonomous organelles, symbiotic relationship, protoeukaryote, purple bacteria, cyanobacteria, mitochondria, and chloroplasts.

Accepted Answer

Answers will vary, but the student shoul

Question 5

The regeneration of what CO₂ acceptor molecule allows for continuous carbon assimilation in the Calvin cycle?

Accepted Answer

A) glycerate- 1,3- bisphosphate 
B) glyceraldehyde- 3- phosphate 
C) dihydroxyacetone phosphate 
D) 3- phosphoglycerate 
E) ribulose- 1,5- bisphosphate 
A) glycerate- 1,3- bisphosphate 
B) glyceraldehyde- 3- phosphate 
C) dihydroxyacetone phosphate 
D) 3- phosphoglycerate 
E) ribulose- 1,5- bisphosphate

Question 6

Bacteriochlorophyll differs from chlorophyll a and b in structure and function. Which of the following statements correctly contrasts these types of chlorophyll?

Accepted Answer

A) Bacteriochlorophyll has a saturated carbon- carbon bond at one location in the porphyrin ring, whereas chlorophyll does not. 
B) Bacteriochlorophyll has a porphyrin ring, whereas chlorophyll does not. 
C) Chlorophyll has a phytol side chain, but bacteriochlorophyll does not. 
D) Chlorophyll has a methyl group attached to the porphyrin ring, whereas bacteriochlorophyll has a formyl group. 
E) Both A and D correctly contrast these types of chlorophyll. 
A) Bacteriochlorophyll has a saturated carbon- carbon bond at one location in the porphyrin ring, whereas chlorophyll does not. 
B) Bacteriochlorophyll has a porphyrin ring, whereas chlorophyll does not. 
C) Chlorophyll has a phytol side chain, but bacteriochlorophyll does not. 
D) Chlorophyll has a methyl group attached to the porphyrin ring, whereas bacteriochlorophyll has a formyl group. 
E) Both A and D correctly contrast these types of chlorophyll.

Question 7

Of the following plastids, which is NOT paired with the proper contents?

Accepted Answer

A) amyloplasts - amylase 
B) chloroplasts - chlorophyll 
C) chromoplasts - non- chlorophyll pigments 
D) elaioplasts - lipids 
E) proteinoplasts - protein 
A) amyloplasts - amylase 
B) chloroplasts - chlorophyll 
C) chromoplasts - non- chlorophyll pigments 
D) elaioplasts - lipids 
E) proteinoplasts - protein

Question 8

(CAM)plants open their stomata only at night to minimize water loss.

Accepted Answer

Crassulace

Question 9

The transfer of energy from a photoexcited electron to another electron of an adjacent pigment molecule is known as

Accepted Answer

A) photophosphorylation. 
B) photorespiration. 
C) photoexcitation. 
D) resonance energy transfer. 
E) quantum leap. 
A) photophosphorylation. 
B) photorespiration. 
C) photoexcitation. 
D) resonance energy transfer. 
E) quantum leap.

Question 10

Biosynthesis of sucrose occurs in the

Accepted Answer

A) cytoplasm. 
B) stroma thylakoids. 
C) stroma. 
D) thylakoid lumen. 
E) intermembrane space. 
A) cytoplasm. 
B) stroma thylakoids. 
C) stroma. 
D) thylakoid lumen. 
E) intermembrane space.

Question 11

Which of the following is NOT an essential feature of electron transfer from water to NADP+?

Accepted Answer

A) coenzyme Q 
B) photosystem I complex 
C) cytochrome b6/f complex 
D) photosystem II complex 
E) plastocyanin (P
C)  
A) coenzyme Q 
B) photosystem I complex 
C) cytochrome b6/f complex 
D) photosystem II complex 
E) plastocyanin (P
C)

Question 12

The ATP synthase complex in the thylakoid membrane

Accepted Answer

A) contains an assembly of hydrophobic polypeptides that function in ATP synthesis. 
B) contains an embedded CF1 component and a protruding CFo component. 
C) performs photophosphorylation in oxygenic phototrophs. 
D) is identical to the FoF1 complex of mitochondria. 
E) all of the above 
A) contains an assembly of hydrophobic polypeptides that function in ATP synthesis. 
B) contains an embedded CF1 component and a protruding CFo component. 
C) performs photophosphorylation in oxygenic phototrophs. 
D) is identical to the FoF1 complex of mitochondria. 
E) all of the above

Question 13

In a chloroplast, the stroma is the

Accepted Answer

A) region between in the inner and outer membranes. 
B) cytochromes associated with the thylakoids. 
C) central semi- fluid region. 
D) connection between the grana. 
E) stack of thylakoids. 
A) region between in the inner and outer membranes. 
B) cytochromes associated with the thylakoids. 
C) central semi- fluid region. 
D) connection between the grana. 
E) stack of thylakoids.

Question 14

The plants referred to as C₃ and C4 plants get this designation based on the number of carbons in the first detectable product of carbon dioxide fixation. The C₃ product is , whereas the C4 product is .

Accepted Answer

A) triose phosphate; oxaloacetate 
B) glycerol; malate 
C) 3- phosphoglycerate; oxaloacetate 
D) ribose; phosphoenolpyruvate 
E) 3- phosphoglycerate; malate 
A) triose phosphate; oxaloacetate 
B) glycerol; malate 
C) 3- phosphoglycerate; oxaloacetate 
D) ribose; phosphoenolpyruvate 
E) 3- phosphoglycerate; malate

Question 15

NADP+ is the coenzyme of choice in reactions while NAD+ is the coenzyme of choice in _ reactions.

Accepted Answer

A) anabolic; both catabolic and anabolic 
B) metabolic; anabolic 
C) catabolic; anabolic 
D) anabolic; catabolic 
E) both catabolic and anabolic; catabolic 
A) anabolic; both catabolic and anabolic 
B) metabolic; anabolic 
C) catabolic; anabolic 
D) anabolic; catabolic 
E) both catabolic and anabolic; catabolic

NADPH contains the pentose sugar and the nitrogenous base .

Which of the following initially traps solar energy in the process of photosynthesis?

Which of the following pigments is found exclusively in red algae?

The endosymbiont theory attempts to explain the evolutionary origin of eukaryotes. Describe this theory in a paragraph. Be sure to use these terms: semiautonomous organelles, symbiotic relationship, protoeukaryote, purple bacteria, cyanobacteria, mitochondria, and chloroplasts.

The regeneration of what CO₂ acceptor molecule allows for continuous carbon assimilation in the Calvin cycle?

Bacteriochlorophyll differs from chlorophyll a and b in structure and function. Which of the following statements correctly contrasts these types of chlorophyll?

Of the following plastids, which is NOT paired with the proper contents?

(CAM)plants open their stomata only at night to minimize water loss.

The transfer of energy from a photoexcited electron to another electron of an adjacent pigment molecule is known as

Biosynthesis of sucrose occurs in the

Which of the following is NOT an essential feature of electron transfer from water to NADP+?

The ATP synthase complex in the thylakoid membrane

In a chloroplast, the stroma is the

The plants referred to as C₃ and C4 plants get this designation based on the number of carbons in the first detectable product of carbon dioxide fixation. The C₃ product is , whereas the C4 product is .

NADP+ is the coenzyme of choice in reactions while NAD+ is the coenzyme of choice in _ reactions.

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: The Flow of Energy in the Cell

Enzymes: The Catalysts of Life

Membranes: Their Structure, Function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters

Exam 11: Phototrophic Energy Metabolism: Photosynthesis

NADPH contains the pentose sugar and the nitrogenous base .

Which of the following initially traps solar energy in the process of photosynthesis?

Which of the following pigments is found exclusively in red algae?

The endosymbiont theory attempts to explain the evolutionary origin of eukaryotes. Describe this theory in a paragraph. Be sure to use these terms: semiautonomous organelles, symbiotic relationship, protoeukaryote, purple bacteria, cyanobacteria, mitochondria, and chloroplasts.

The regeneration of what CO₂ acceptor molecule allows for continuous carbon assimilation in the Calvin cycle?

Bacteriochlorophyll differs from chlorophyll a and b in structure and function. Which of the following statements correctly contrasts these types of chlorophyll?

Of the following plastids, which is NOT paired with the proper contents?

(CAM)plants open their stomata only at night to minimize water loss.

The transfer of energy from a photoexcited electron to another electron of an adjacent pigment molecule is known as

Biosynthesis of sucrose occurs in the

Which of the following is NOT an essential feature of electron transfer from water to NADP+?

The ATP synthase complex in the thylakoid membrane

In a chloroplast, the stroma is the

The plants referred to as C₃ and C4 plants get this designation based on the number of carbons in the first detectable product of carbon dioxide fixation. The C₃ product is , whereas the C4 product is .

NADP+ is the coenzyme of choice in reactions while NAD+ is the coenzyme of choice in _ reactions.

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: The Flow of Energy in the Cell

Enzymes: The Catalysts of Life

Membranes: Their Structure, Function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters