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CELLULAR AND MOLECULAR BIOLOGY FINAL EXAM
NEWEST ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
In Eukaryotes, messenger RNA is synthesized by an enzyme called? -
(ANSWER)RNA polymerase II
The process of DNA replication requires that each of the parental DNA strands be
used as a ____ to produce a duplicate of the opposing strand. -
(ANSWER)Template
DNA replication is considered semi conservative because? - (ANSWER)Each
daughter DNA molecule consists of one strand from the parent DNA molecule and
one new strand
What does it mean for DNA replication to be bidirectional? - (ANSWER)The
replication forks formed at the origin move in opposite directions
True or False? A strand of human chromosome was synthesized from multiple
origins by a mixture of continuous and discontinuous DNA synthesis. -
(ANSWER)True
The leading strand of DNA being formed is continuous, but the lagging strand
forms a number of small pieces of DNA. These are joined by enzymes called? -
(ANSWER)Ligases
, 2
DNA polymerases are processive, which means that they remain tightly associated
with the template strand while moving rapidly and adding nucleotides to the
growing daughter strand. Which piece of the replication machinery accounts for
this characteristic? - (ANSWER)Sliding clamp
Which of the following DNA strand can form a DNA duplex by pairing with itself at
each position?
5'-AAGCCGAA-3'
5'-AAGCCGTT-3'
5'-AAGCGCAA-3'
5'-AAGCGCTT-3' - (ANSWER)5'-AAGCGCTT-3'
The information stored in the DNA sequence is used directly as a template to
make ____. - (ANSWER)RNA
What type of macromolecule helps package DNA in a eukaryotic chromosomes? -
(ANSWER)Proteins
The DNA from two different species can often be distinguished by a difference in
the ____. - (ANSWER)Ratio of A+T to G+C
Which of the following questions would not be answered by using karyotyping?
-Is the individual genetically female or male?
-Do any of the chromosomes contain pieces that belong to others chromosomes?
CELLULAR AND MOLECULAR BIOLOGY FINAL EXAM
NEWEST ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
In Eukaryotes, messenger RNA is synthesized by an enzyme called? -
(ANSWER)RNA polymerase II
The process of DNA replication requires that each of the parental DNA strands be
used as a ____ to produce a duplicate of the opposing strand. -
(ANSWER)Template
DNA replication is considered semi conservative because? - (ANSWER)Each
daughter DNA molecule consists of one strand from the parent DNA molecule and
one new strand
What does it mean for DNA replication to be bidirectional? - (ANSWER)The
replication forks formed at the origin move in opposite directions
True or False? A strand of human chromosome was synthesized from multiple
origins by a mixture of continuous and discontinuous DNA synthesis. -
(ANSWER)True
The leading strand of DNA being formed is continuous, but the lagging strand
forms a number of small pieces of DNA. These are joined by enzymes called? -
(ANSWER)Ligases
, 2
DNA polymerases are processive, which means that they remain tightly associated
with the template strand while moving rapidly and adding nucleotides to the
growing daughter strand. Which piece of the replication machinery accounts for
this characteristic? - (ANSWER)Sliding clamp
Which of the following DNA strand can form a DNA duplex by pairing with itself at
each position?
5'-AAGCCGAA-3'
5'-AAGCCGTT-3'
5'-AAGCGCAA-3'
5'-AAGCGCTT-3' - (ANSWER)5'-AAGCGCTT-3'
The information stored in the DNA sequence is used directly as a template to
make ____. - (ANSWER)RNA
What type of macromolecule helps package DNA in a eukaryotic chromosomes? -
(ANSWER)Proteins
The DNA from two different species can often be distinguished by a difference in
the ____. - (ANSWER)Ratio of A+T to G+C
Which of the following questions would not be answered by using karyotyping?
-Is the individual genetically female or male?
-Do any of the chromosomes contain pieces that belong to others chromosomes?
