DNA Structure and Replication Proteins which help to open the double helix for DNA synthesis are single stranded binding proteins DNA helicases ligase DNA topoisomerase single stranded binding proteins DNA helicases ligase DNA topoisomerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called helicase reverse transcriptase restriction endonuclease transposase helicase reverse transcriptase restriction endonuclease transposase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? 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 Joins nicks in DNA strands Digests mRNA when it is no longer needed Synthesizes the lagging strand 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 lacks a proofreading exonuclease AZT (zidovudine) is too expensive to be taken in effective doses It has low affinity for the correct dNTP's The RNase H domain of p66 causes error prone synthesis It lacks a proofreading exonuclease AZT (zidovudine) is too expensive to be taken in effective doses 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 Which of the following in DNA replication and transcription are common? synthesis in the 5'-3' direction None of these incorporation of deoxynucleotides utilization the same enzyme synthesis in the 5'-3' direction None of these incorporation of deoxynucleotides utilization the same enzyme ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication TM refers to the temperature at which membranes are 50% fluid All of these 50% of a protein molecules are denatured 50% of a DNA molecule is denatured membranes are 50% fluid All of these 50% of a protein molecules are denatured 50% of a DNA molecule is denatured ANSWER DOWNLOAD EXAMIANS APP
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