Biochem exam 2- module 3 quiz UPDATED ACTUAL Exam Questions and CORRECT Answers

Biochem exam 2- module 3 quiz UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Lactose intolerance arises from


A. Bacteria in the intestine that produce toxic metabolites
B. The inability of intestinal enzymes to cleave the lactose
C. A sensitivity to galactose
D. A sensitivity to glucose

E. An allergic reaction to glucose - CORRECT ANSWER -B. The inability of intestinal
enzymes to cleave the lactose


In glycoproteins carbohydrate is most often linked to threonine, asparagine or __________.


A. Serine
B. Lysine
C. Valine
D. Aspartic acid

E. Tyrosine - CORRECT ANSWER -A. Serine


Under stressful conditions epinephrine is released from the adrenal medulla. The release of
epinephrine has which of the following effects on glucose metabolism?


A. Glycogenolysis is stimulated
B. Glycogenesis is inhibited
C. Adenylate cyclase is activated
D. Both A and B are correct

, E. All of the above are correct - CORRECT ANSWER -E. All of the above are correct


The preferred energy source of the brain is __________.


A. Fructose
B. Glucose
C. Arabinose
D. Maltose

E. Sucrose - CORRECT ANSWER -B. Glucose


Which of the following is not a homoglycan?


A. Cellulose
B. Glycogen
C. Starch
D. Heparin

E. Amylose - CORRECT ANSWER -D. Heparin


Which of the following carbohydrates is a nonreducing sugar?


A. Glucose
B. Fructose
C. Lactose
D. Sucrose

E. Ribose - CORRECT ANSWER -D. Sucrose


How many stereoisomers are possible for an aldohexose