DNA Structure and Replication The 5' and 3' numbers are related to the the number of phosphates the base pair rule length of the DNA strand carbon number in sugar the number of phosphates the base pair rule length of the DNA strand carbon number in sugar ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? 3' → 5' exonuclease 5' → 3' exonuclease All of these 5' → 3' polymerase 3' → 5' exonuclease 5' → 3' exonuclease All of these 5' → 3' polymerase 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 The RNase H domain of p66 causes error prone synthesis It has low affinity for the correct dNTP's It lacks a proofreading exonuclease AZT (zidovudine) is too expensive to be taken in effective doses The RNase H domain of p66 causes error prone synthesis It has low affinity for the correct dNTP's It lacks a proofreading exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as antiparallel semiconservative mutational discontinuous antiparallel semiconservative mutational discontinuous ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that only one chromatid of a chromosome was labeled neither chromatid was labeled both (a) and (b) both chromatids of a chromosome were labeled only one chromatid of a chromosome was labeled neither chromatid was labeled both (a) and (b) both chromatids of a chromosome were labeled ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The chromosomal DNA complexes with four types of histone as H1, H2A, H3 and H4 five types of histone as H1, H2A, H2B, H3 and H4 three types of histone as H1, H2A and H4 two types of histone as H1 and H4 four types of histone as H1, H2A, H3 and H4 five types of histone as H1, H2A, H2B, H3 and H4 three types of histone as H1, H2A and H4 two types of histone as H1 and H4 ANSWER DOWNLOAD EXAMIANS APP