Question 1

The majority of glucose in the brain

Accepted Answer

A) is used to store adequate glycogen for extended periods of starvation. 
B) is used to produce ATP for membrane Na+-K+ ATPase required for nerve impulse transmission. 
C) is synthesized from fatty acids due to the need for high ATP levels. 
D) is synthesized in the adipose tissue and transported to the brain. 
E) is synthesized from ketone bodies under conditions of prolonged fasting. 
A) is used to store adequate glycogen for extended periods of starvation. 
B) is used to produce ATP for membrane Na+-K+ ATPase required for nerve impulse transmission. 
C) is synthesized from fatty acids due to the need for high ATP levels. 
D) is synthesized in the adipose tissue and transported to the brain. 
E) is synthesized from ketone bodies under conditions of prolonged fasting.

Question 2

Which of the following is part of the regulation of metabolism?

Accepted Answer

A) receptor tyrosine kinase 
B) adenylate cyclase 
C) phosphoinositide pathway 
D) all of the above 
E) none of the above 
A) receptor tyrosine kinase 
B) adenylate cyclase 
C) phosphoinositide pathway 
D) all of the above 
E) none of the above

Question 3

Matching
Choose the correct answer from the list.Not all the answers will be used.

-Epinephrine binding to the ______ causes an increase in intracellular [Ca2+].

Accepted Answer

A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas 
A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas

Question 4

Which of the following occurs during starvation?
(I)The kidney generates approximately half the glucose required for the body.
(II)The brain utilizes ketone bodies as a fuel source.
(III)The adipose tissue releases fatty acids.
(IV)Gluconeogenesis occurs in the liver.

Accepted Answer

A) I,II,III,IV 
B) I,II,III 
C) I,II 
D) II,III 
E) II,III,IV 
A) I,II,III,IV 
B) I,II,III 
C) I,II 
D) II,III 
E) II,III,IV

Question 5

Matching
Choose the correct answer from the list.Not all the answers will be used.

-Following prolonged starvation,______ are used as fuel by the brain.

Accepted Answer

A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas 
A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas

Question 6

Matching
Choose the correct answer from the list.Not all the answers will be used.

-Mice lacking the protein ______ are genetically obese.

Accepted Answer

A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas 
A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas

Question 7

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Accepted Answer

A) glycolysis,phosphocreatine,oxidative phosphorylation 
B) phosphocreatine,glycolysis,oxidative phosphorylation 
C) phosphocreatine,oxidative phosphorylation,glycolysis, 
D) phosphocreatine,oxidative phosphorylation,glycolysis,gluconeogenesis 
E) none of the above 
A) glycolysis,phosphocreatine,oxidative phosphorylation 
B) phosphocreatine,glycolysis,oxidative phosphorylation 
C) phosphocreatine,oxidative phosphorylation,glycolysis, 
D) phosphocreatine,oxidative phosphorylation,glycolysis,gluconeogenesis 
E) none of the above

Question 8

Which of the following are effects of insulin secretion?
(I)Muscle and adipose tissue are stimulated to take up glucose.
(II)Glycogen synthesis increases in the liver.
(III)Gluconeogenesis is inhibited in the liver and kidney.
(IV)Lipolysis increases in the adipose tissue.

Accepted Answer

A) I,II 
B) I 
C) I,II,III 
D) I,III 
E) II,IV 
A) I,II 
B) I 
C) I,II,III 
D) I,III 
E) II,IV

Question 9

Which of the following statements concerning the response of hepatocytes to insulin is FALSE?

Accepted Answer

A) Phosphorylase kinase is inactivated,decreasing glycogenolysis. 
B) Glycogen synthase is activated. 
C) Transcription of glucokinase increases. 
D) Glucose uptake is increased in the liver. 
E) The liver stores glucose as glycogen or triacylglycerols. 
A) Phosphorylase kinase is inactivated,decreasing glycogenolysis. 
B) Glycogen synthase is activated. 
C) Transcription of glucokinase increases. 
D) Glucose uptake is increased in the liver. 
E) The liver stores glucose as glycogen or triacylglycerols.

Question 10

Matching
Choose the correct answer from the list.Not all the answers will be used.

-The ____ provides a pathway for the metabolic use of lactate for production of glucose.

Accepted Answer

A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas 
A)  α-adrenergic  receptor 
B)  β-adrenergic  receptor 
C)  Cori cycle 
D)  urea cycle 
E)  leptin
F) phosphatase
G) liver
H) hormones
I) acetyl CoA
J) ketone bodies
K) urea
L) kidney
M) brain
N) pancreas

The majority of glucose in the brain

Which of the following is part of the regulation of metabolism?

Matching Choose the correct answer from the list.Not all the answers will be used. -Epinephrine binding to the ______ causes an increase in intracellular [Ca²⁺].

Which of the following occurs during starvation? (I)The kidney generates approximately half the glucose required for the body. (II)The brain utilizes ketone bodies as a fuel source. (III)The adipose tissue releases fatty acids. (IV)Gluconeogenesis occurs in the liver.

Matching Choose the correct answer from the list.Not all the answers will be used. -Following prolonged starvation,______ are used as fuel by the brain.

Matching Choose the correct answer from the list.Not all the answers will be used. -Mice lacking the protein ______ are genetically obese.

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Which of the following are effects of insulin secretion? (I)Muscle and adipose tissue are stimulated to take up glucose. (II)Glycogen synthesis increases in the liver. (III)Gluconeogenesis is inhibited in the liver and kidney. (IV)Lipolysis increases in the adipose tissue.

Which of the following statements concerning the response of hepatocytes to insulin is FALSE?

Matching Choose the correct answer from the list.Not all the answers will be used. -The ____ provides a pathway for the metabolic use of lactate for production of glucose.

Introduction to the Chemistry of Life

Water

Nucleotides, nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glucose Catabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acid Structure

DNA Replication, repair and Recombination

Transcription and Rna Processing

Protein Synthesis

Regulation of Gene Expression

Filters

Exam 22: Mammalian Fuel Metabolism: Integration and Regulation

The majority of glucose in the brain

Which of the following is part of the regulation of metabolism?

Matching Choose the correct answer from the list.Not all the answers will be used. -Epinephrine binding to the ______ causes an increase in intracellular [Ca2+].

Which of the following occurs during starvation? (I)The kidney generates approximately half the glucose required for the body. (II)The brain utilizes ketone bodies as a fuel source. (III)The adipose tissue releases fatty acids. (IV)Gluconeogenesis occurs in the liver.

Matching Choose the correct answer from the list.Not all the answers will be used. -Following prolonged starvation,______ are used as fuel by the brain.

Matching Choose the correct answer from the list.Not all the answers will be used. -Mice lacking the protein ______ are genetically obese.

Which of the following mechanisms for ATP regeneration are listed in order utilized?

Which of the following are effects of insulin secretion? (I)Muscle and adipose tissue are stimulated to take up glucose. (II)Glycogen synthesis increases in the liver. (III)Gluconeogenesis is inhibited in the liver and kidney. (IV)Lipolysis increases in the adipose tissue.

Which of the following statements concerning the response of hepatocytes to insulin is FALSE?

Matching Choose the correct answer from the list.Not all the answers will be used. -The ____ provides a pathway for the metabolic use of lactate for production of glucose.

Introduction to the Chemistry of Life

Water

Nucleotides, nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glucose Catabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acid Structure

DNA Replication, repair and Recombination

Transcription and Rna Processing

Protein Synthesis

Regulation of Gene Expression

Filters

Matching Choose the correct answer from the list.Not all the answers will be used. -Epinephrine binding to the ______ causes an increase in intracellular [Ca²⁺].