©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Advanced Biochem Final Exam Questions
And Answers (Guaranteed A+)
What level of protein structure is composed of alpha helices, beta sheets, and turns? -
answer✔Secondary
The term __________ is used to indicate Gibbs free energy - answer✔delta G
When substrate concentration is equal to Km, the rate of catalysis is ___________ Vmax of the
enzyme reaction. - answer✔half, 0.5, 1/2
Which of the following is the storage form of glucose in animals? - answer✔glycogen
Examples of second messengers include - answer✔all of the above: cAMP, cGMP, calcium ions,
inositol 1,4,5-triphosphate
Vitamin C deficiency is associated with which of the following diseases? - answer✔Scurvy
The scientists that proposed the double helical structure of DNA were - answer✔none of the
above (Watson and Crick)
What is the [H+] concentration in a water sample that has a pH of 6? - answer✔10^-6 M
What term describes an enzyme without its required cofactor? - answer✔apoenzyme
What term describes molecules that have both hydrophilic and hydrophobic moieties? -
answer✔amphipathic
What type of membrane transporter moves two species in opposite directions across a
membrane? - answer✔antiporter
Which of the following vitamins is deficient in children with rickets? - answer✔Vitamin D
A term that describes a molecule that contains both positive and negative charges but overall
has a neutral charge is a(n) - answer✔zwitterion
What level of protein structure is indicated by its amino acid sequence? - answer✔primary
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ALL RIGHTS RESERVED.
The less active conformational form of an allosteric enzyme is called the _______ - answer✔T
state
What shape is seen in the kinetic plot of an enzyme that exhibits cooperative binding? -
answer✔Sigmoidal
Adenylyl cyclase reacts with ATP to produce __________ - answer✔cyclic AMP
Which of the following is among the most abundant organic molecules in the biosphere? -
answer✔Cellulose
Only a protein containing multiple subunits could contain the following structure -
answer✔Quaternary
Which amino acid can form disulfide bonds with itself to produce cystine? - answer✔Cysteine
The three-dimensional structure of a protein is called its ________ structure - answer✔tertiary
Which of the following coenzymes is derived from nicotinic acid? - answer✔pyridoxal
phosphate
What term describes enzymes that are activated by proteolytic cleavage? - answer✔zymogens
_______ and ________ are teh simplest carbohydrates which are 2-carbon molecules. -
answer✔Dihyroxyacetone and D-and L-glyceraldehyde
Which of the following types of DNA structurally is a left-handed helix? - answer✔Z-DNA
T/F D-amino acids are most often found in proteins - answer✔False, L-amino acids
T/F Agents such as urea and guanidinium chloride denature proteins by disrupting the
noncovalent interactions - answer✔True
T/F A competitive inhibitor often has a structure similar to the substrate and often reversibly
binds to the active site of the enzyme but can be displaced by substrate - answer✔True
T/F The zymogen of trypsin is proelastase - answer✔False, trypsinogen
T/F A pyranose ring is a five membered ring formed from a monosaccharide - answer✔False,
furanose
T/F Lactose is a disaccharide composed of galactose and glucose joined by a Beta-1,4 glycosidic
bond - answer✔True
T/F The antiparallel Beta-sheet structure occurs when the two strands are oriented in the same
directions (N --> C) - answer✔False, opposite
2|Page
ALL RIGHTS RESERVED.
Advanced Biochem Final Exam Questions
And Answers (Guaranteed A+)
What level of protein structure is composed of alpha helices, beta sheets, and turns? -
answer✔Secondary
The term __________ is used to indicate Gibbs free energy - answer✔delta G
When substrate concentration is equal to Km, the rate of catalysis is ___________ Vmax of the
enzyme reaction. - answer✔half, 0.5, 1/2
Which of the following is the storage form of glucose in animals? - answer✔glycogen
Examples of second messengers include - answer✔all of the above: cAMP, cGMP, calcium ions,
inositol 1,4,5-triphosphate
Vitamin C deficiency is associated with which of the following diseases? - answer✔Scurvy
The scientists that proposed the double helical structure of DNA were - answer✔none of the
above (Watson and Crick)
What is the [H+] concentration in a water sample that has a pH of 6? - answer✔10^-6 M
What term describes an enzyme without its required cofactor? - answer✔apoenzyme
What term describes molecules that have both hydrophilic and hydrophobic moieties? -
answer✔amphipathic
What type of membrane transporter moves two species in opposite directions across a
membrane? - answer✔antiporter
Which of the following vitamins is deficient in children with rickets? - answer✔Vitamin D
A term that describes a molecule that contains both positive and negative charges but overall
has a neutral charge is a(n) - answer✔zwitterion
What level of protein structure is indicated by its amino acid sequence? - answer✔primary
1|Page
, ©FYNDLAY EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
The less active conformational form of an allosteric enzyme is called the _______ - answer✔T
state
What shape is seen in the kinetic plot of an enzyme that exhibits cooperative binding? -
answer✔Sigmoidal
Adenylyl cyclase reacts with ATP to produce __________ - answer✔cyclic AMP
Which of the following is among the most abundant organic molecules in the biosphere? -
answer✔Cellulose
Only a protein containing multiple subunits could contain the following structure -
answer✔Quaternary
Which amino acid can form disulfide bonds with itself to produce cystine? - answer✔Cysteine
The three-dimensional structure of a protein is called its ________ structure - answer✔tertiary
Which of the following coenzymes is derived from nicotinic acid? - answer✔pyridoxal
phosphate
What term describes enzymes that are activated by proteolytic cleavage? - answer✔zymogens
_______ and ________ are teh simplest carbohydrates which are 2-carbon molecules. -
answer✔Dihyroxyacetone and D-and L-glyceraldehyde
Which of the following types of DNA structurally is a left-handed helix? - answer✔Z-DNA
T/F D-amino acids are most often found in proteins - answer✔False, L-amino acids
T/F Agents such as urea and guanidinium chloride denature proteins by disrupting the
noncovalent interactions - answer✔True
T/F A competitive inhibitor often has a structure similar to the substrate and often reversibly
binds to the active site of the enzyme but can be displaced by substrate - answer✔True
T/F The zymogen of trypsin is proelastase - answer✔False, trypsinogen
T/F A pyranose ring is a five membered ring formed from a monosaccharide - answer✔False,
furanose
T/F Lactose is a disaccharide composed of galactose and glucose joined by a Beta-1,4 glycosidic
bond - answer✔True
T/F The antiparallel Beta-sheet structure occurs when the two strands are oriented in the same
directions (N --> C) - answer✔False, opposite
2|Page
