Multiple Choice
A mutation during DNA replication causes a G to be inserted after the first base of the codon for tryptophan.How will this affect the growing polypeptide chain?
A) It will not be affected.
B) Elongation will stop prematurely.
C) There will be a single amino acid substitution.
D) The reading frame will be shifted to the left,and the wrong amino acids will be added from this point on.
E) An extra amino acid will be added,but the reading frame will not be affected.
Correct Answer:
Verified
Correct Answer:
Verified
Q31: Composite transposons contain a central region with
Q32: How can PCR be used to induce
Q33: An IS (insertion sequence)element contains<br>A)a transposase gene
Q34: A tumor suppressor gene is cloned and
Q35: For a particular gene,if one gene in
Q37: Which of the following nucleotide changes leads
Q38: What is a retrotransposon,and how does it
Q39: Somatic mutations may be inherited by the
Q40: LINEs and SINEs are repetitive sequences in
Q41: The deamination of cytosine creates<br>A)5-methyl cytosine.<br>B)uracil.<br>C)2-aminopurine.<br>D)5-bromouracil.<br>E)thymine.