DNA Structure and Replication What is the exact name of the classical Watson-Crick double helix DNA? A-DNA B-DNA Z-DNA X-DNA A-DNA B-DNA Z-DNA X-DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA replication takes place in which direction? 5 'to 3' Randomly Vary from organism to organism 3' to 5' 5 'to 3' Randomly Vary from organism to organism 3' to 5' 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 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 AZT (zidovudine) is too expensive to be taken in effective doses ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis? Evolutionary theory Conservative theory Semi-conservative theory Dispersive theory Evolutionary theory Conservative theory Semi-conservative theory Dispersive theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Joins nicks in DNA strands Digests mRNA when it is no longer needed Synthesizes the lagging strand Makes copies of mRNA from DNA Joins nicks in DNA strands Digests mRNA when it is no longer needed Synthesizes the lagging strand Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the name given to the points at which a DNA helix is unwound and new strands develop? Replication origins Replication forks Leading strands Okazaki fragments Replication origins Replication forks Leading strands Okazaki fragments ANSWER DOWNLOAD EXAMIANS APP
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