BSC 1010C Exam 5 Questions With Complete Solutions
A particular triplet of bases in the coding strand of DNA is
AAA. The anticodon on the tRNA that binds this mRNA codon
is Correct Answers UUU
A ribozyme is Correct Answers An RNA with catalytic activity
Codons are three base sequences the specify the addition of a
single amino acid. How do eukaryotic codons and prokaryotic
codons compare? Correct Answers Codons are a nearly
universal language among all organisms.
DNA is a self-replicating molecule. What accounts for this
important property of DNA? Correct Answers The nitrogenous
bases of the double helix are paired in specific combos
Eukaryotic telomeres replicate differently than the rest of the
chromosome. This is a consequence of which of the following?
Correct Answers Gaps left at the 5' end of the lagging strand
Garrod hypothesized that "inborn errors of metabolism" such as
alkaptonuria occur because Correct Answers Genes dictate the
production of specific enzymes, and affected individuals have
genetic defects that cause them to lack certain enzymes
How does the enzyme telomerase meet the challenge of
replicating the ends of linear chromosomes? Correct Answers It
catalyzes the lengthening of telomeres, compensating for the
shortening that could occur during replication without
telomerase activity.
, How is translation initiated? Correct Answers All of the above
In E coli which enzyme catalyzes the elongation of a new DNA
strand in the 5'-3' direction? Correct Answers DNA polymerase
III
In nucleotide excision repair, damaged DNA is excised by what
enzyme? Correct Answers Nuclease
In the structural organization of many eukaryotic genes,
individual exons may be related to which of the following?
Correct Answers The various domains of the polypeptide
product
Individuals with the disorder xeroderma pigmentosum are
hypersenstitive to sunlight. This occurs because their cells
cannot Correct Answers Repair thymine dimers
Once a peptide bond has been formed between the amino acid
attached to the tRNA in the P site and the amino acid associated
with the tRNA in the A site, what occurs next Correct Answers
Translocation
Researchers found E coli that had mutation rates one hundred
times higher than normal. Which of the following is the most
likely cause of these results? Correct Answers The proofreading
mechanism of DNA polymerase was not working properly
A particular triplet of bases in the coding strand of DNA is
AAA. The anticodon on the tRNA that binds this mRNA codon
is Correct Answers UUU
A ribozyme is Correct Answers An RNA with catalytic activity
Codons are three base sequences the specify the addition of a
single amino acid. How do eukaryotic codons and prokaryotic
codons compare? Correct Answers Codons are a nearly
universal language among all organisms.
DNA is a self-replicating molecule. What accounts for this
important property of DNA? Correct Answers The nitrogenous
bases of the double helix are paired in specific combos
Eukaryotic telomeres replicate differently than the rest of the
chromosome. This is a consequence of which of the following?
Correct Answers Gaps left at the 5' end of the lagging strand
Garrod hypothesized that "inborn errors of metabolism" such as
alkaptonuria occur because Correct Answers Genes dictate the
production of specific enzymes, and affected individuals have
genetic defects that cause them to lack certain enzymes
How does the enzyme telomerase meet the challenge of
replicating the ends of linear chromosomes? Correct Answers It
catalyzes the lengthening of telomeres, compensating for the
shortening that could occur during replication without
telomerase activity.
, How is translation initiated? Correct Answers All of the above
In E coli which enzyme catalyzes the elongation of a new DNA
strand in the 5'-3' direction? Correct Answers DNA polymerase
III
In nucleotide excision repair, damaged DNA is excised by what
enzyme? Correct Answers Nuclease
In the structural organization of many eukaryotic genes,
individual exons may be related to which of the following?
Correct Answers The various domains of the polypeptide
product
Individuals with the disorder xeroderma pigmentosum are
hypersenstitive to sunlight. This occurs because their cells
cannot Correct Answers Repair thymine dimers
Once a peptide bond has been formed between the amino acid
attached to the tRNA in the P site and the amino acid associated
with the tRNA in the A site, what occurs next Correct Answers
Translocation
Researchers found E coli that had mutation rates one hundred
times higher than normal. Which of the following is the most
likely cause of these results? Correct Answers The proofreading
mechanism of DNA polymerase was not working properly
