NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
What type of carbohydrate contains more than two monosaccharides linked together?
A. Monosaccharide
B. Trisaccharide
C. Disaccharide
D. Polysaccharides
E. Galactose
When glucose is joined to a molecules of fructose, what is the name of the
carbohydrate formed?
A. Glucose
B. Sucrose
C. Galactose
D. Maltose
E. Sucrase
Where does the electron transport chain and oxidative phosphorylation occur in the cell?
A. Cytosol
B. Golgi Apparatus
C. Mitochondria
D. Rough ER
E. Ribosomes
What type of metabolic reaction involves the building of larger molecules?
A. Catabolic reactions
B. Anabolic reactions
C. Glycogenolysis
D. Glycolysis
E. Beta Oxidation
Where is glycogen stored?
A. Heart and Lungs
B. Gall Bladder and
Kidney C. Liver and
Muscles
D. Brain and Spine
E. CNS and Lower Extremities
Intermediate Questions (6-10)
What are artificial sweeteners Nutrasweet and
Equal? A. Non carbohydrates
B. Carbohydrates
C. Amino Acids
D. Monosaccharides
E. Lactose
When sufficient oxygen is not present during strenuous exercise, the
body converts pyruvate to which of the following?
,NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
A. Lactate
B. Glucose-6-phosphate
C. Sucrose
D. Acetyl CoA
E. NADH
What is the name of the structure shown below?
A. ADP
B. AMP
C. Adenosine Monophosphate
D. Glycerol
E. Adenosine Triphosphate
In a cell doing anabolic processes, approximately how many ATP molecules are hydrolyzed
every minute?
A. Less than 100,000
B. Less than 1,000,000
C. Approximately 1 – 2 million
D. Approximately 60 -120 million
E. 7.5 trillion
What is another name for the citric acid
cycle? A. Tricarboxylic Acid (TCA)
Cycle
B. Electron Transport Chain
C. Glycolysis
D. Lytic Cycle
E. Pentose-5-Phosphate Pathway
Advanced (11-15)
Which of the following is the final electron acceptor in the electron transport chain?
A. ATP B.
Oxygen
C. Water
D. Ribose-5-phosphate
E. Complex II
What percentage of human milk is made up of
lactose? A. 100%
B. 46 to 48%
C. 26 to 38%
D. 50%
,NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
E. 6% to 8%
Maltose is linked by what type of glycosidic
bond? A. 1,4 glycosidic bond
B. 2,4 glycosidic bond
C. 3,6 glycosidic bond
D. 1,3 glycosidic bond
E. 4,4 glycosidic bond
Which of the following is NOT a stage of catabolic reactions?
A. Digestion
B. Hydrolysis
C. Protein Synthesis
D. Oxidation
E. Degradation
What is the alcohol group found in the isomerization of citrate show below?
A. primary
B. secondary
C. tertiary
D. quaternary
E. methyl alcohol
Which of the following compounds has the largest negative value for the standard free-
energy change (delta G) upon hydrolysis?
a. Acetic anhydride
b. Glucose 6-phosphate
c. Glutamine
d. Glycerol 3-phophate
e. Lactose
Which of the following is not nucleophilic?
a. A proton
, NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
b. A carbanion
c. An imidazole
d. A hydroxide
e. A carboxylic acid
Which of the following is not electrophilic?
a. A proton
B. A sulfhydral
c. A protonated imine
d. A carbonyl group
e. A phosphoryl group
The reaction of ATP+ADP+Pi is an example of a reaction?
a. Hemolytic cleavage
b. Internal rearrangement
c. Free radical
D. Group transfer
e. Oxidation/reduction
Which of the following is true about oxidation-reduction reactions?
a. They usually proceed through hemolytic cleavage
b. During oxidation a compound gains electrons
c. Dehydrogenases typical removes two electrons and two hydrides
d. There are four commonly accessed oxidation states of carbon
e. Every oxidation must be accompanied by a reduction
Which of the following compounds does not have a large negative free energy of hydrolysis?
a. 1,3-bis phosphoglycerate
b. 3-phosphoglycerate
c. ADP
d. Phosphoenolypyruvate
e. Thioesters (e.g. acetyl-CoA)
The structure of NAD+ does not include?
a. A flavin nucleotide
b. A pyrophosphate bond
c. An adenine nucleotide
d. Nicotinamide
e. Two ribose residues
Which of the following reactions in glycolysis requires ATP as a substrate?
a. Hexokinase
b. Glyceraldehyde-3phosphate dehydrogenase
c. Pyruvate kinase
d. Aldose
e. Phosphoglycerate kinase
Which of the following reactions in glycolysis produces ATP as a product?
a. Hexokinase
b. Glyceraldehyde-3-phosphate dehydrogenase
c. Pyruvate kinase
QUESTIONS WITH ANSWERS GRADED A+
What type of carbohydrate contains more than two monosaccharides linked together?
A. Monosaccharide
B. Trisaccharide
C. Disaccharide
D. Polysaccharides
E. Galactose
When glucose is joined to a molecules of fructose, what is the name of the
carbohydrate formed?
A. Glucose
B. Sucrose
C. Galactose
D. Maltose
E. Sucrase
Where does the electron transport chain and oxidative phosphorylation occur in the cell?
A. Cytosol
B. Golgi Apparatus
C. Mitochondria
D. Rough ER
E. Ribosomes
What type of metabolic reaction involves the building of larger molecules?
A. Catabolic reactions
B. Anabolic reactions
C. Glycogenolysis
D. Glycolysis
E. Beta Oxidation
Where is glycogen stored?
A. Heart and Lungs
B. Gall Bladder and
Kidney C. Liver and
Muscles
D. Brain and Spine
E. CNS and Lower Extremities
Intermediate Questions (6-10)
What are artificial sweeteners Nutrasweet and
Equal? A. Non carbohydrates
B. Carbohydrates
C. Amino Acids
D. Monosaccharides
E. Lactose
When sufficient oxygen is not present during strenuous exercise, the
body converts pyruvate to which of the following?
,NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
A. Lactate
B. Glucose-6-phosphate
C. Sucrose
D. Acetyl CoA
E. NADH
What is the name of the structure shown below?
A. ADP
B. AMP
C. Adenosine Monophosphate
D. Glycerol
E. Adenosine Triphosphate
In a cell doing anabolic processes, approximately how many ATP molecules are hydrolyzed
every minute?
A. Less than 100,000
B. Less than 1,000,000
C. Approximately 1 – 2 million
D. Approximately 60 -120 million
E. 7.5 trillion
What is another name for the citric acid
cycle? A. Tricarboxylic Acid (TCA)
Cycle
B. Electron Transport Chain
C. Glycolysis
D. Lytic Cycle
E. Pentose-5-Phosphate Pathway
Advanced (11-15)
Which of the following is the final electron acceptor in the electron transport chain?
A. ATP B.
Oxygen
C. Water
D. Ribose-5-phosphate
E. Complex II
What percentage of human milk is made up of
lactose? A. 100%
B. 46 to 48%
C. 26 to 38%
D. 50%
,NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
E. 6% to 8%
Maltose is linked by what type of glycosidic
bond? A. 1,4 glycosidic bond
B. 2,4 glycosidic bond
C. 3,6 glycosidic bond
D. 1,3 glycosidic bond
E. 4,4 glycosidic bond
Which of the following is NOT a stage of catabolic reactions?
A. Digestion
B. Hydrolysis
C. Protein Synthesis
D. Oxidation
E. Degradation
What is the alcohol group found in the isomerization of citrate show below?
A. primary
B. secondary
C. tertiary
D. quaternary
E. methyl alcohol
Which of the following compounds has the largest negative value for the standard free-
energy change (delta G) upon hydrolysis?
a. Acetic anhydride
b. Glucose 6-phosphate
c. Glutamine
d. Glycerol 3-phophate
e. Lactose
Which of the following is not nucleophilic?
a. A proton
, NEW BIOCHEM EXAM WEEK 2 BEST
QUESTIONS WITH ANSWERS GRADED A+
b. A carbanion
c. An imidazole
d. A hydroxide
e. A carboxylic acid
Which of the following is not electrophilic?
a. A proton
B. A sulfhydral
c. A protonated imine
d. A carbonyl group
e. A phosphoryl group
The reaction of ATP+ADP+Pi is an example of a reaction?
a. Hemolytic cleavage
b. Internal rearrangement
c. Free radical
D. Group transfer
e. Oxidation/reduction
Which of the following is true about oxidation-reduction reactions?
a. They usually proceed through hemolytic cleavage
b. During oxidation a compound gains electrons
c. Dehydrogenases typical removes two electrons and two hydrides
d. There are four commonly accessed oxidation states of carbon
e. Every oxidation must be accompanied by a reduction
Which of the following compounds does not have a large negative free energy of hydrolysis?
a. 1,3-bis phosphoglycerate
b. 3-phosphoglycerate
c. ADP
d. Phosphoenolypyruvate
e. Thioesters (e.g. acetyl-CoA)
The structure of NAD+ does not include?
a. A flavin nucleotide
b. A pyrophosphate bond
c. An adenine nucleotide
d. Nicotinamide
e. Two ribose residues
Which of the following reactions in glycolysis requires ATP as a substrate?
a. Hexokinase
b. Glyceraldehyde-3phosphate dehydrogenase
c. Pyruvate kinase
d. Aldose
e. Phosphoglycerate kinase
Which of the following reactions in glycolysis produces ATP as a product?
a. Hexokinase
b. Glyceraldehyde-3-phosphate dehydrogenase
c. Pyruvate kinase
