Question 1

Glycerol from fats is modified first by glycerol kinase and then a second enzyme to enter gluconeogenesis at the intermediate ________________.

Accepted Answer

dihydroxya

Question 2

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________ controls the synthesis and degradation of fructose 2,6-bisphosphate.

Accepted Answer

A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP 
A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP

Question 3

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The process by which noncarbohydrate precursor molecules are converted into glucose is ____________.

Accepted Answer

A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP 
A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP

Question 4

High blood sugar after a meal ________________ the level of insulin released by the pancreas.

Accepted Answer

A)  increases 
B)  decreases 
C)  has no effect on 
D)  chronically activates 
E)  chronically inhibits 
A)  increases 
B)  decreases 
C)  has no effect on 
D)  chronically activates 
E)  chronically inhibits

Question 5

In spirit, gluconeogenesis is the reversal of glycolysis ________________ (true or false).

Accepted Answer

A) True 
 B)False

Question 6

Transport of oxaloacetate produced by PEPCK utilizes the mitochondrial and cytosolic enzyme ________________.

Accepted Answer

malate deh

Question 7

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The reaction that uses GTP and not ATP as its high-phosphoryl-transfer potential donor is ____________.

Accepted Answer

A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP 
A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP

Question 8

How does the liver restore the level of glucose for active muscles?

Accepted Answer

Through th

Question 9

Biotin provides ________________ for the pyruvate carboxylase reaction.

Accepted Answer

A)  a long flexible arm for the active-site location of substrate 
B)  carboxylation of pyruvate 
C)  group transfer from one site of the enzyme to another 
D)  All of the above. 
E)  None of the above. 
A)  a long flexible arm for the active-site location of substrate 
B)  carboxylation of pyruvate 
C)  group transfer from one site of the enzyme to another 
D)  All of the above. 
E)  None of the above.

Question 10

Adenosine monophosphate will have a(n) ________________ on PFK and a(n) ________________ effect on fructose 1,6-bisphosphatase.

Accepted Answer

activating

Question 11

What are the key glycolytic enzymes and why are they considered key? How are these steps overcome in gluconeogenesis?

Accepted Answer

Pyruvate kinase → pyruvate car

Question 12

The enzyme that carboxylates pyruvate is oxaloacetate is __________________.

Accepted Answer

pyruvate c

Question 13

Which metabolic steps differ from glycolysis in gluconeogenesis?

Accepted Answer

There are three irreversible steps in gl

Question 14

The major site for gluconeogenesis is in which of the following tissues?

Accepted Answer

A)  the brain 
B)  the liver 
C)  striated muscle 
D)  adipose 
E)  red blood cells 
A)  the brain 
B)  the liver 
C)  striated muscle 
D)  adipose 
E)  red blood cells

Question 15

The mitochondrial inner membrane is very tight. This means that only a few compounds can permeate the membrane without a transporter. Oxaloacetate and NADH are two such compounds. In this light, how can gluconeogenesis continue?

Accepted Answer

The four-carbon compound oxaloacetate is

Question 16

The phosphoryl donor in the formation of phosphoenolpyruvate is:

Accepted Answer

A)  pyruvate. 
B)  PEP. 
C)  ATP. 
D)  GTP. 
E)  inorganic phosphate. 
A)  pyruvate. 
B)  PEP. 
C)  ATP. 
D)  GTP. 
E)  inorganic phosphate.

Question 17

Eating raw eggs leads to the ingestion of avidin, a compound which tightly binds to the head group of biotin. What would be the result of this on a person's blood-sugar level?

Accepted Answer

The increase in avidin and dec

Question 18

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: An intermediate that is decarboxylated and phosphorylated to produce phosphoenolpyruvate.

Accepted Answer

A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP 
A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP

Question 19

The first step in gluconeogenesis is the ________________ of pyruvate to form oxaloacetate.

Accepted Answer

The answer of The first step in gluconeogenesis is the...

Question 20

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The stores of glucose are enough to support metabolism of a person for ____________.

Accepted Answer

A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP 
A) liver 
B) muscle 
C) one day 
D) endoplasmic reticulum 
E) gluconeogenesis
F)phosphoenolpyruvate carboxykinase
G)PFK2
H)Cori
I)fructose 2,6-bisphosphate
J)magnesium
K)oxaloacetate
L)biotin
M)2 hours
N)ATP

Exam 17: Gluconeogenesis

Glycerol from fats is modified first by glycerol kinase and then a second enzyme to enter gluconeogenesis at the intermediate ________________.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ controls the synthesis and degradation of fructose 2,6-bisphosphate.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The process by which noncarbohydrate precursor molecules are converted into glucose is ____________.

High blood sugar after a meal ________________ the level of insulin released by the pancreas.

In spirit, gluconeogenesis is the reversal of glycolysis ________________ (true or false).

Transport of oxaloacetate produced by PEPCK utilizes the mitochondrial and cytosolic enzyme ________________.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The reaction that uses GTP and not ATP as its high-phosphoryl-transfer potential donor is ____________.

How does the liver restore the level of glucose for active muscles?

Biotin provides ________________ for the pyruvate carboxylase reaction.

Adenosine monophosphate will have a(n) ________________ on PFK and a(n) ________________ effect on fructose 1,6-bisphosphatase.

What are the key glycolytic enzymes and why are they considered key? How are these steps overcome in gluconeogenesis?

The enzyme that carboxylates pyruvate is oxaloacetate is __________________.

Which metabolic steps differ from glycolysis in gluconeogenesis?

The major site for gluconeogenesis is in which of the following tissues?

The mitochondrial inner membrane is very tight. This means that only a few compounds can permeate the membrane without a transporter. Oxaloacetate and NADH are two such compounds. In this light, how can gluconeogenesis continue?

The phosphoryl donor in the formation of phosphoenolpyruvate is:

Eating raw eggs leads to the ingestion of avidin, a compound which tightly binds to the head group of biotin. What would be the result of this on a person's blood-sugar level?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: An intermediate that is decarboxylated and phosphorylated to produce phosphoenolpyruvate.

The first step in gluconeogenesis is the ________________ of pyruvate to form oxaloacetate.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The stores of glucose are enough to support metabolism of a person for ____________.

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

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

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

Adenosine monophosphate will have a(n) on PFK and a(n) effect on fructose 1,6-bisphosphatase.