BIOCHEMISTRY EXAMINATION TEST
BANK 2026 QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◉nucleic acids are composed of nucleotides that are linked by ___
bonds ANSWER: -phosphodiester
◉Organisms composed of cells with two sets of chromosomes are called
___ organisms ANSWER: -diploid
◉eukaryotic genes often contain regions that are transcribed and later
excised from the RNA called ___ ANSWER:-Introns
◉Experiments by Avery and Colleagues proved that DNA was the
substance that ___ a non-pathogenic pneumococcus strain into a virulent
strain ANSWER: -transformed
◉The methods that sanger developed for DNA sequencing using
dideoxy nucleotides is called the ___ method ANSWER: -chain-
terminator
◉Plasmids are small, circular DNA molecules that are used in ___
ANSWER: -cloning
,◉Certain plasmids containing genes that confer resistance to ____
ANSWER: -Ampicillin
◉Nucleotides play a central role in living organisms because:
(A) they mediate transport of energy within the cell
(B) They are involved in oxidation-reduction reactions
(C) They are involved in intracellular signaling
(D) they function as building blocks for nucleic acids
(E) all of the above ANSWER: -E
◉Which of the following statements about nucleotides is FALSE?
(A) nucleotides mediate transport of energy within the cell
(B) Nucleotides are involved in redox reactions
(C) Nucleotides store genetic information
(D) Nucleotides are involved in biosynthetic reactions
(E) None above ANSWER: -C
◉What group is attached to the pyrimidine ring in thymine and is not
present in uracil? ANSWER: -a Methyl group
◉What does Cytidine look like? ANSWER: -
, ◉Nucleotides contain one or more phosphate groups that are usually
attached to the ANSWER: -C3' or C5' atoms
◉AMP stands for ANSWER: -Adenylyl acid
◉Inside our cells, free nucleotides are almost always associated with
ANSWER: -MG²⁺ counter ions
◉Humans typically recycle approximately ___ of ATP each day
ANSWER: -50 kg
◉Nucleoside triphosphates are useful for energy transfer because the
phosphoanhydride bonds are relatively ANSWER: -high energy
◉nucleoside triphosphates carry energy in the form of ANSWER: -
phosphoanhydride bonds
◉the major carrier of energy in the cell is ANSWER: -Adenosine
triphosphate
◉Which of the following nucleotides contain energy rich bonds?
(A) ATP
(B) TTP
(C) GTP
BANK 2026 QUESTIONS WITH CORRECT
ANSWERS GRADED A+
◉nucleic acids are composed of nucleotides that are linked by ___
bonds ANSWER: -phosphodiester
◉Organisms composed of cells with two sets of chromosomes are called
___ organisms ANSWER: -diploid
◉eukaryotic genes often contain regions that are transcribed and later
excised from the RNA called ___ ANSWER:-Introns
◉Experiments by Avery and Colleagues proved that DNA was the
substance that ___ a non-pathogenic pneumococcus strain into a virulent
strain ANSWER: -transformed
◉The methods that sanger developed for DNA sequencing using
dideoxy nucleotides is called the ___ method ANSWER: -chain-
terminator
◉Plasmids are small, circular DNA molecules that are used in ___
ANSWER: -cloning
,◉Certain plasmids containing genes that confer resistance to ____
ANSWER: -Ampicillin
◉Nucleotides play a central role in living organisms because:
(A) they mediate transport of energy within the cell
(B) They are involved in oxidation-reduction reactions
(C) They are involved in intracellular signaling
(D) they function as building blocks for nucleic acids
(E) all of the above ANSWER: -E
◉Which of the following statements about nucleotides is FALSE?
(A) nucleotides mediate transport of energy within the cell
(B) Nucleotides are involved in redox reactions
(C) Nucleotides store genetic information
(D) Nucleotides are involved in biosynthetic reactions
(E) None above ANSWER: -C
◉What group is attached to the pyrimidine ring in thymine and is not
present in uracil? ANSWER: -a Methyl group
◉What does Cytidine look like? ANSWER: -
, ◉Nucleotides contain one or more phosphate groups that are usually
attached to the ANSWER: -C3' or C5' atoms
◉AMP stands for ANSWER: -Adenylyl acid
◉Inside our cells, free nucleotides are almost always associated with
ANSWER: -MG²⁺ counter ions
◉Humans typically recycle approximately ___ of ATP each day
ANSWER: -50 kg
◉Nucleoside triphosphates are useful for energy transfer because the
phosphoanhydride bonds are relatively ANSWER: -high energy
◉nucleoside triphosphates carry energy in the form of ANSWER: -
phosphoanhydride bonds
◉the major carrier of energy in the cell is ANSWER: -Adenosine
triphosphate
◉Which of the following nucleotides contain energy rich bonds?
(A) ATP
(B) TTP
(C) GTP
