DNA Structure and Replication What is the name given to the points at which a DNA helix is unwound and new strands develop? Okazaki fragments Leading strands Replication forks Replication origins Okazaki fragments Leading strands Replication forks Replication origins ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called pyrimidines All of these purines protamines pyrimidines All of these purines protamines 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 Decreases Increases Can not be compared Remains same Decreases Increases Can not be compared ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Klenow fragment without free nucleotides exhibits endonuclease activity no activity nickase activity exonuclease activity endonuclease activity no activity nickase activity exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Dehydration Single strand break Formation of thymine dimers Depurination Dehydration Single strand break Formation of thymine dimers Depurination ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication How does ethidium bromide interact with DNA? It intercalates between bases It binds to adenine It binds to phosphate It does not interact It intercalates between bases It binds to adenine It binds to phosphate It does not interact ANSWER DOWNLOAD EXAMIANS APP
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