DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 10 to 20% 40 to 50% 30 to 40% 20 to 30% 10 to 20% 40 to 50% 30 to 40% 20 to 30% 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? The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It has low affinity for the correct dNTP's It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It has low affinity for the correct dNTP's It lacks a proofreading exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the exact name of the classical Watson-Crick double helix DNA? X-DNA A-DNA B-DNA Z-DNA X-DNA A-DNA B-DNA Z-DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate size (in kb) of the E. coli genome? 5500 kilobase 3000 kilobase 4500 kilobase 6500 kilobase 5500 kilobase 3000 kilobase 4500 kilobase 6500 kilobase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA segments capable of moving from one place in the genome to another is known as retrovirus introns moving elements transposons retrovirus introns moving elements transposons ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Synthesizes the lagging strand Joins nicks in DNA strands Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Synthesizes the lagging strand Joins nicks in DNA strands Digests mRNA when it is no longer needed Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
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