DNA Structure and Replication TM refers to the temperature at which membranes are 50% fluid 50% of a DNA molecule is denatured 50% of a protein molecules are denatured All of these membranes are 50% fluid 50% of a DNA molecule is denatured 50% of a protein molecules are denatured All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The nucleosome consists of histone hexamer and 146 bp of DNA None of these tetramer and 146 bp of DNA octamer and 146 bp of DNA hexamer and 146 bp of DNA None of these tetramer and 146 bp of DNA octamer and 146 bp of DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Formation of thymine dimers Single strand break Dehydration Depurination Formation of thymine dimers Single strand break Dehydration Depurination ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Replication in E. coli is initiated by the generation of short RNA primers using RNA polymerase both (a) and (b) primase reverse transcriptase RNA polymerase both (a) and (b) primase reverse transcriptase ANSWER DOWNLOAD EXAMIANS APP
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%? Remains same Increases Decreases Can not be compared Remains same Increases Decreases Can not be compared ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Synthesizes the lagging strand Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Joins nicks in DNA strands Synthesizes the lagging strand Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Joins nicks in DNA strands ANSWER DOWNLOAD EXAMIANS APP
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