Advanced Biochem Final Exam
Questions and Answers 100% Solved
What level of protein structure is composed of alpha helices, beta sheets,
and turns? - ✔✔Secondary
The term __________ is used to indicate Gibbs free energy - ✔✔delta G
When substrate concentration is equal to Km, the rate of catalysis is
___________ Vmax of the enzyme reaction. - ✔✔half, 0.5, 1/2
Which of the following is the storage form of glucose in animals? -
✔✔glycogen
Examples of second messengers include - ✔✔all of the above: cAMP,
cGMP, calcium ions, inositol 1,4,5-triphosphate
Vitamin C deficiency is associated with which of the following diseases? -
✔✔Scurvy
The scientists that proposed the double helical structure of DNA were -
✔✔none of the above (Watson and Crick)
What is the [H+] concentration in a water sample that has a pH of 6? -
✔✔10^-6 M
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What term describes an enzyme without its required cofactor? -
✔✔apoenzyme
What term describes molecules that have both hydrophilic and hydrophobic
moieties? - ✔✔amphipathic
What type of membrane transporter moves two species in opposite
directions across a membrane? - ✔✔antiporter
Which of the following vitamins is deficient in children with rickets? -
✔✔Vitamin D
A term that describes a molecule that contains both positive and negative
charges but overall has a neutral charge is a(n) - ✔✔zwitterion
What level of protein structure is indicated by its amino acid sequence? -
✔✔primary
The less active conformational form of an allosteric enzyme is called the
_______ - ✔✔T state
What shape is seen in the kinetic plot of an enzyme that exhibits
cooperative binding? - ✔✔Sigmoidal
Adenylyl cyclase reacts with ATP to produce __________ - ✔✔cyclic AMP
Which of the following is among the most abundant organic molecules in
the biosphere? - ✔✔Cellulose
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, Only a protein containing multiple subunits could contain the following
structure - ✔✔Quaternary
Which amino acid can form disulfide bonds with itself to produce cystine? -
✔✔Cysteine
The three-dimensional structure of a protein is called its ________
structure - ✔✔tertiary
Which of the following coenzymes is derived from nicotinic acid? -
✔✔pyridoxal phosphate
What term describes enzymes that are activated by proteolytic cleavage? -
✔✔zymogens
_______ and ________ are teh simplest carbohydrates which are 2-carbon
molecules. - ✔✔Dihyroxyacetone and D-and L-glyceraldehyde
Which of the following types of DNA structurally is a left-handed helix? -
✔✔Z-DNA
T/F D-amino acids are most often found in proteins - ✔✔False, L-amino
acids
T/F Agents such as urea and guanidinium chloride denature proteins by
disrupting the noncovalent interactions - ✔✔True
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Questions and Answers 100% Solved
What level of protein structure is composed of alpha helices, beta sheets,
and turns? - ✔✔Secondary
The term __________ is used to indicate Gibbs free energy - ✔✔delta G
When substrate concentration is equal to Km, the rate of catalysis is
___________ Vmax of the enzyme reaction. - ✔✔half, 0.5, 1/2
Which of the following is the storage form of glucose in animals? -
✔✔glycogen
Examples of second messengers include - ✔✔all of the above: cAMP,
cGMP, calcium ions, inositol 1,4,5-triphosphate
Vitamin C deficiency is associated with which of the following diseases? -
✔✔Scurvy
The scientists that proposed the double helical structure of DNA were -
✔✔none of the above (Watson and Crick)
What is the [H+] concentration in a water sample that has a pH of 6? -
✔✔10^-6 M
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,What term describes an enzyme without its required cofactor? -
✔✔apoenzyme
What term describes molecules that have both hydrophilic and hydrophobic
moieties? - ✔✔amphipathic
What type of membrane transporter moves two species in opposite
directions across a membrane? - ✔✔antiporter
Which of the following vitamins is deficient in children with rickets? -
✔✔Vitamin D
A term that describes a molecule that contains both positive and negative
charges but overall has a neutral charge is a(n) - ✔✔zwitterion
What level of protein structure is indicated by its amino acid sequence? -
✔✔primary
The less active conformational form of an allosteric enzyme is called the
_______ - ✔✔T state
What shape is seen in the kinetic plot of an enzyme that exhibits
cooperative binding? - ✔✔Sigmoidal
Adenylyl cyclase reacts with ATP to produce __________ - ✔✔cyclic AMP
Which of the following is among the most abundant organic molecules in
the biosphere? - ✔✔Cellulose
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, Only a protein containing multiple subunits could contain the following
structure - ✔✔Quaternary
Which amino acid can form disulfide bonds with itself to produce cystine? -
✔✔Cysteine
The three-dimensional structure of a protein is called its ________
structure - ✔✔tertiary
Which of the following coenzymes is derived from nicotinic acid? -
✔✔pyridoxal phosphate
What term describes enzymes that are activated by proteolytic cleavage? -
✔✔zymogens
_______ and ________ are teh simplest carbohydrates which are 2-carbon
molecules. - ✔✔Dihyroxyacetone and D-and L-glyceraldehyde
Which of the following types of DNA structurally is a left-handed helix? -
✔✔Z-DNA
T/F D-amino acids are most often found in proteins - ✔✔False, L-amino
acids
T/F Agents such as urea and guanidinium chloride denature proteins by
disrupting the noncovalent interactions - ✔✔True
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
