DNA Structure and Replication In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%? Can not be compared Remains same Decreases Increases Can not be compared Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Okazaki fragments occur on the __________ and are bonded together by __________ mRNA, anticodons tRNA, polymerase Lagging strand, ligase Leading strand, polymerase mRNA, anticodons tRNA, polymerase Lagging strand, ligase Leading strand, polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Number of times the two DNA strands are interwined in circular DNA and is known as linking number helix frequency none of these twisting number linking number helix frequency none of these twisting number 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? All of these 5' → 3' polymerase 3' → 5' exonuclease 5' → 3' exonuclease All of these 5' → 3' polymerase 3' → 5' exonuclease 5' → 3' exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Digests mRNA when it is no longer needed Joins nicks in DNA strands Synthesizes the lagging strand Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Joins nicks in DNA strands Synthesizes the lagging strand Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which enzyme catalyzes the elongation of DNA molecules? DNA ligase DNA polymerase Helicase Primase DNA ligase DNA polymerase Helicase Primase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS