BMB 401 Exam 4 – Study Guide, Practice Questions & Revision Notes
DNA denaturation best monitored by measuring changes in its... - correct answer
✔✔Absorbance
Thymidylate synthetase promotes synthesis of which metabolites? - correct answer ✔✔dTMP
DNA double helix is characterized by... - correct answer ✔✔10 base pairs per helical turn
BDNA differs from ADNA in that it harbors... - correct answer ✔✔fewer base pairs per helical
turn
Pyrimidines include... - correct answer ✔✔Cytosine, Uracil, Thymine
Purines include... - correct answer ✔✔Guanine, Adenine, Hypoxanthine (I)
In RNA Transcription, nucleotide sequence of mRNA is identical to (assuming U=T)... - correct
answer ✔✔the DNA nontemplate strand
In DNA replication elongation, the enzyme that extends the leading strand with high
processivity is... - correct answer ✔✔DNA Polymerase epsilon
When sequencing a DNA fragment, a reaction mixture must contain... - correct answer ✔✔DNA
polymerase
Regeneration of eukaryotic telomeres requires... - correct answer ✔✔telomeric DNA,
telomerase RNA, telomerase reverse transcriptase
, Genetic Code is a language made up of... - correct answer ✔✔a 4-letter alphabet
In DNA replication, okazaki fragments are synthesized... - correct answer ✔✔In a discontinuous
manner
A tRNA harboring the anticodon for alanine is designated as... - correct answer ✔✔tRNA^Ala
Physical agents that can induce DNA damage include.. - correct answer ✔✔x rays, gamma
radiation
tRNA harbors... - correct answer ✔✔an anticodon arm
In DNA repair mechanisms, direct reversal (DR) usually involves... - correct answer ✔✔Breakage
of Thymine Dimers
In chromatin remodeling, one or more of these histone modifications may induce chromatin
relaxation to favor euchromatin... - correct answer ✔✔acetylation, methylation, and
phosphorylation
In euk. translation initiation, the 43S complex (pre initiation complex) harbors... - correct answer
✔✔elF3
In euk. translation initiation, elF2 mediates... - correct answer ✔✔recruitment of methionyl-
tRNAi^Met
Inosine monophosphate (IMP) serves as a precursor for synthesis of the following nucleotide.. -
correct answer ✔✔Adenosine Monophosphate (AMP)
DNA denaturation best monitored by measuring changes in its... - correct answer
✔✔Absorbance
Thymidylate synthetase promotes synthesis of which metabolites? - correct answer ✔✔dTMP
DNA double helix is characterized by... - correct answer ✔✔10 base pairs per helical turn
BDNA differs from ADNA in that it harbors... - correct answer ✔✔fewer base pairs per helical
turn
Pyrimidines include... - correct answer ✔✔Cytosine, Uracil, Thymine
Purines include... - correct answer ✔✔Guanine, Adenine, Hypoxanthine (I)
In RNA Transcription, nucleotide sequence of mRNA is identical to (assuming U=T)... - correct
answer ✔✔the DNA nontemplate strand
In DNA replication elongation, the enzyme that extends the leading strand with high
processivity is... - correct answer ✔✔DNA Polymerase epsilon
When sequencing a DNA fragment, a reaction mixture must contain... - correct answer ✔✔DNA
polymerase
Regeneration of eukaryotic telomeres requires... - correct answer ✔✔telomeric DNA,
telomerase RNA, telomerase reverse transcriptase
, Genetic Code is a language made up of... - correct answer ✔✔a 4-letter alphabet
In DNA replication, okazaki fragments are synthesized... - correct answer ✔✔In a discontinuous
manner
A tRNA harboring the anticodon for alanine is designated as... - correct answer ✔✔tRNA^Ala
Physical agents that can induce DNA damage include.. - correct answer ✔✔x rays, gamma
radiation
tRNA harbors... - correct answer ✔✔an anticodon arm
In DNA repair mechanisms, direct reversal (DR) usually involves... - correct answer ✔✔Breakage
of Thymine Dimers
In chromatin remodeling, one or more of these histone modifications may induce chromatin
relaxation to favor euchromatin... - correct answer ✔✔acetylation, methylation, and
phosphorylation
In euk. translation initiation, the 43S complex (pre initiation complex) harbors... - correct answer
✔✔elF3
In euk. translation initiation, elF2 mediates... - correct answer ✔✔recruitment of methionyl-
tRNAi^Met
Inosine monophosphate (IMP) serves as a precursor for synthesis of the following nucleotide.. -
correct answer ✔✔Adenosine Monophosphate (AMP)
