Module 2 tuts glycolysis, krebs, gluconeogenesis, ppp qs

The enzyme in the Tricarboxylic Acid Cycle that catalyzes the condensation of oxaloacetate and acetyl-CoA.

A. Citrate synthase

B. Pyruvate carboxylase

C. Aconitase

D. Pyruvate dehydrogenase

The enzyme in the Tricarboxylic Acid Cycle that catalyzes the carboxylation of pyruvate to give oxaloacetate.

A. Citrate synthase

B. Pyruvate carboxylase

C. Fumarase

D. Pyruvate dehydrogenase

Which of the following is false about Glycolysis?

A. The first part of glycolysis works on the six-carbon molecule, preparing it for oxidation.

B. The third part involves the oxidation of glyceraldehyde-3-phosphate molecules to yield energy.

C. The second part of glycolysis splits the six-carbon molecule into three two-carbon fragments.

D. One glucose molecule generates two molecules of pyruvate and two units of ATP.

What is the chemical reaction involved in the conversion of glyceraldehyde-3-phosphate to 1,3-bis-phosphoglycerate.

A. Phosphoryl shift

B. Aldol cleavage

C. Isomerization

D. Reduction-oxidation

What is the chemical reaction involved in the conversion of 3-phosphpglycerate to 2-phosphoglycerate?

A. Phosphoryl shift

B. Aldol cleavage

C. Isomerization

D. Reduction-oxidation

What is the chemical reaction involved in the conversion of fructose-1,6-bis-phosphate to glyceraldehyde-3-P and dihydroxyacetone phosphate.

A. Aldol cleavage

B. Phosphoryl shift

C. Isomerization

D. Reduction-oxidation

What are the end product of Glycolysis?

A. Phosphoenolpyruvate

B. Pyruvate

C. Fructose-6-phosphate

D. glyceraldehyde-3-phosphate

In Gluconeogenesis, non-sugar precursors are converted to glucose. These precursors are:

A. Glycerol, lactic acid, pyruvic acid

B. Glycerol, lactate, pyruvate, glycogenic amino acids

C. Pyruvic acid, lactic acid, acetic acid

D. Sucrose, lactic acid, pyruvic acid

Glycogen metabolism is controlled by certain hormones. These hormones are:

A. Epinephrine, insulin

B. Epinephrine, glucagon

C. Epinephrine, glucagon, insulin

D. Insulin, glucagon

Develops when the body is starved with glucose during prolonged fasting or starvation

A. Ketosis

B. Diabetes Insipidus

C. Wilson’s Disease

D. Wernicke-Korsakoff Syndrome

Beta cells of the pancreas are gone. No insulin is produced. This condition is controlled by daily injections of insulin

A. Diabetes Mellitus Type II

B. Diabetes Insipidus

C. Wilson’s Disease

D. Diabetes Mellitus Type I

A normal amount of insulin is produced, either it is not released fast enough when blood sugar rises or the target tissues have a reduced responsiveness

A. Diabetes Mellitus Type I

B. Diabetes Insipidus

C. Ketosis

D. Diabetes Mellitus Type II

Select the site of pyruvate formation during glycolysis.

A. Liver

B. Muscles

C. Heart

D. Lungs

A pituitary disorder that directly affects kidney function, NO unusual level of glucose in the urine observed.

A. Diabetes mellitus, Type I

B. Diabetes mellitus, Type II

C. Diabetes Insipidus

D. Wolman Disease

Which of the following are products of Pentose Phosphate Pathway?

I. NADH

II. NADPH

III. Ribose

A. I and II

B. II and III

C. I and III

D. I, II and III

Insulin is mostly classified as a

A. Protein

B. Enzyme

C. Hormone

D. Peptide

The process of synthesis of glucose and other carbohydrate molecules from simple precursors

A. Glycogenesis

B. Gluconeogenesis

C. Photosynthesis

D. Lipolysis

The following are products of the Krebs Cycle

A. 3 NADH, 1 FADH2, 1 ADP

B. 3 NADH, 1 FADH2, 1 GTP

C. 2 NADH, 2 FADH2, 2 ADP

D. 3 NADH, 1 FADH2, 2 GTP