Question 1

Fructose can enter glycolysis at two distinct points,depending on the tissue.How is fructose metabolized in adipose tissue?

Accepted Answer

A)  Fructose is cleaved to two molecules of GAP. 
B)  Fructose is converted to fructose-1-phosphate. 
C)  Fructose is converted to fructose-6-phosphate. 
D)  Fructose is cleaved to GAP and DHAP. 
E)  Fructose is converted to glucose, which enters the pathway. 
A)  Fructose is cleaved to two molecules of GAP. 
B)  Fructose is converted to fructose-1-phosphate. 
C)  Fructose is converted to fructose-6-phosphate. 
D)  Fructose is cleaved to GAP and DHAP. 
E)  Fructose is converted to glucose, which enters the pathway.

Question 2

How does citrate influence glycolysis?

Accepted Answer

Phosphofructokinase is inhibited by citr

Question 3

In alcoholic fermentation,the decarboxylation of pyruvate requires a coenzyme that contains the vitamin ______________.

Accepted Answer

The answer of In alcoholic fermentation,the decarboxylation of pyruvate requires...

Question 4

Which of the following conditions results from genetic deficiency of a single transferase enzyme?

Accepted Answer

A)  lactose intolerance 
B)  galactosemia 
C)  lactic acidosis 
D)  hypoglycemia 
E)  None of the answers is correct. 
A)  lactose intolerance 
B)  galactosemia 
C)  lactic acidosis 
D)  hypoglycemia 
E)  None of the answers is correct.

Question 5

Give the reactions by which glycerol (from fats)can be metabolized into pyruvate or synthesized into glucose.

Accepted Answer

@#IMG-DLM& After the glycerol is convert

Question 6

What is the name of the pathway that converts noncarbohydrate molecules into glucose?

Accepted Answer

A)  pentose phosphate pathway 
B)  glycogenolysis 
C)  citric acid cycle 
D)  gluconeogenesis 
E)  None of the answers is correct. 
A)  pentose phosphate pathway 
B)  glycogenolysis 
C)  citric acid cycle 
D)  gluconeogenesis 
E)  None of the answers is correct.

Question 7

Pancreatic ______________ is the digestive enzyme primarily responsible for the hydrolysis of dietary plant starch.

Accepted Answer

The answer of Pancreatic ______________ is the digestive enzyme primarily...

Question 8

In the absence of oxygen,_____________________ increases the expression of most glycolytic enzymes and the glucose transporters GLUT1 and GLUT3.

Accepted Answer

HIF-1,or h

Question 9

What two isomerization reactions occur in glycolysis? Why are these steps necessary?

Accepted Answer

Glucose-6-phosphate is isomerized to fru

Question 10

During exercise,how is glycolysis regulated by feedforward stimulation?

Accepted Answer

Exercise increases the abundance of fruc

Exam 16: Glycolysis and Gluconeogenesis

Fructose can enter glycolysis at two distinct points,depending on the tissue.How is fructose metabolized in adipose tissue?

How does citrate influence glycolysis?

In alcoholic fermentation,the decarboxylation of pyruvate requires a coenzyme that contains the vitamin ______________.

Which of the following conditions results from genetic deficiency of a single transferase enzyme?

Give the reactions by which glycerol (from fats)can be metabolized into pyruvate or synthesized into glucose.

What is the name of the pathway that converts noncarbohydrate molecules into glucose?

Pancreatic ______________ is the digestive enzyme primarily responsible for the hydrolysis of dietary plant starch.

In the absence of oxygen,_____________________ increases the expression of most glycolytic enzymes and the glucose transporters GLUT1 and GLUT3.

What two isomerization reactions occur in glycolysis? Why are these steps necessary?

During exercise,how is glycolysis regulated by feedforward stimulation?

Biochemistry: An Evolving Science

Protein Composition and Structure

Exploring Proteins and Proteomes

DNA, RNA, and the Flow of Genetic Information

Exploring Genes and Genomes

Exploring Evolution and Bioinformatics

Hemoglobin: a Portrait of a Protein in Action

Enzymes: Basic Concepts and Kinetics

Catalytic Strategies

Regulatory Strategies

Carbohydrates

Lipids and Cell Membranes

Membrane Channels and Pumps

Signal-Transduction Pathways

Metabolism: Basic Concepts and Design

The Citric Acid Cycle

Oxidative Phosphorylation

The Light Reactions of Photosynthesis

The Calvin Cycle and the Pentose Phosphate Pathway

Glycogen Metabolism

Fatty Acid Metabolism

Protein Turnover and Amino Acid Catabolism

The Biosynthesis of Amino Acids

Nucleotide Biosynthesis

Biosynthesis of Membrane Lipids and Steroids

The Integration of Metabolism

DNA Replication, repair, and Recombination

RNA Synthesis and Processing

Protein Synthesis

The Control of Gene Expression in Prokaryotes

The Control of Gene Expression in Eukaryotes

Sensory Systems

The Immune System

Molecular Motors

Drug Development

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