DNA Structure and Replication The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by shortening of the double stranded replicated portion None of these using enzyme called telomerase using RNA as a template shortening of the double stranded replicated portion None of these using enzyme called telomerase using RNA as a template 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 helicase none of these strandase DNA polymerase helicase none of these strandase DNA polymerase 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? Dispersive theory Semi-conservative theory Evolutionary theory Conservative theory Dispersive theory Semi-conservative theory Evolutionary theory Conservative theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA segments capable of moving from one place in the genome to another is known as moving elements transposons retrovirus introns moving elements transposons retrovirus introns 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? 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 AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Single strand break Formation of thymine dimers Depurination Dehydration Single strand break Formation of thymine dimers Depurination Dehydration ANSWER DOWNLOAD EXAMIANS APP
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