Question 9 Only a small amount of enzymes are needed to catalyze various biochemical reactions because enzymes Select on
Posted: Mon Apr 04, 2022 6:35 am
Question 9
Only a small amount of enzymes are needed to catalyze various biochemical reactions because enzymes
Select one:
A.are small proteins.
B.can be activated by enzyme cofactors.
C.are easily denatured at high temperatures.
D.can speed up both forward and reverse reactions.
E.are not altered by the reactions.
Question 10
The reaction rate of salivary amylase with starch decreases as the concentration of chloride ions is reduced. What is the role of chloride ions in the action of salivary amylase?
Select one:
A.Coenzymes
B.Non-competitive inhibitors
C.Cofactors
D.Irreversible inhibitors
E.Competitive inhibitors
Question 11
Which of the following molecules contains amino acids?
Select one:
A.Glycogen
B.Testosterone
C.Cellulose
D.Maltose
E.Chylomicron
Question 12
Which of the following is the final electron acceptor in the electron transport chain of cellular respiration?
Select one:
A.Water
B.Oxygen
C.Coenzyme Q
D.FADH2
E.NADH
Question 13
Which of the following is the major site for the formation of urea?
Select one:
A.Gallbladder
B.Liver
C.Kidney
D.Skeletal muscle
E.Small intestine
Question 14
High density lipoproteins are known as good cholesterol because
Select one:
A.they breakdown triglycerides into fatty acids and glycerol.
B.they contain enzymes for the degradation of cholesterol.
C.they take cholesterol back to the liver where it is broken down.
D.they are soluble in the blood.
E.they are lipoproteins that contain the smallest amount of cholesterol.
Question 15
Which of the following processes is/are carried out in the mitochondrial matrix?
I. Citric acid cycle
II. Beta-oxidation
III. Oxidative phosphorylation
Select one:
A.I and II only
B.II and III only
C.II only
D.I only
E.I, II and III
Only a small amount of enzymes are needed to catalyze various biochemical reactions because enzymes
Select one:
A.are small proteins.
B.can be activated by enzyme cofactors.
C.are easily denatured at high temperatures.
D.can speed up both forward and reverse reactions.
E.are not altered by the reactions.
Question 10
The reaction rate of salivary amylase with starch decreases as the concentration of chloride ions is reduced. What is the role of chloride ions in the action of salivary amylase?
Select one:
A.Coenzymes
B.Non-competitive inhibitors
C.Cofactors
D.Irreversible inhibitors
E.Competitive inhibitors
Question 11
Which of the following molecules contains amino acids?
Select one:
A.Glycogen
B.Testosterone
C.Cellulose
D.Maltose
E.Chylomicron
Question 12
Which of the following is the final electron acceptor in the electron transport chain of cellular respiration?
Select one:
A.Water
B.Oxygen
C.Coenzyme Q
D.FADH2
E.NADH
Question 13
Which of the following is the major site for the formation of urea?
Select one:
A.Gallbladder
B.Liver
C.Kidney
D.Skeletal muscle
E.Small intestine
Question 14
High density lipoproteins are known as good cholesterol because
Select one:
A.they breakdown triglycerides into fatty acids and glycerol.
B.they contain enzymes for the degradation of cholesterol.
C.they take cholesterol back to the liver where it is broken down.
D.they are soluble in the blood.
E.they are lipoproteins that contain the smallest amount of cholesterol.
Question 15
Which of the following processes is/are carried out in the mitochondrial matrix?
I. Citric acid cycle
II. Beta-oxidation
III. Oxidative phosphorylation
Select one:
A.I and II only
B.II and III only
C.II only
D.I only
E.I, II and III