DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? 5' → 3' polymerase All of these 5' → 3' exonuclease 3' → 5' exonuclease 5' → 3' polymerase All of these 5' → 3' exonuclease 3' → 5' exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The site on a bacterial chromosome that marks the initiation point for chromosome replication is called Ori a promoter an initiation codon Pro Ori a promoter an initiation codon Pro ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA, there are only two bases known as adenine and cytosine three bases known as adenine, guanine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine four bases known as adenine, guanine, thymine and cytosine only two bases known as adenine and cytosine three bases known as adenine, guanine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine four bases known as adenine, guanine, thymine and cytosine ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase? AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease It has low affinity for the correct dNTP's The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease It has low affinity for the correct dNTP's The RNase H domain of p66 causes error prone synthesis ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called pyrimidines All of these purines protamines pyrimidines All of these purines protamines ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is none of these strandase DNA polymerase helicase none of these strandase DNA polymerase helicase ANSWER DOWNLOAD EXAMIANS APP
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