DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? Three A smear Two One Three A smear Two One ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence? None of these H B S None of these H B S 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 Which of the following is used to determine the appropriate stringency (Wallace rule)? Tm = 2 x (No.of G:C base pair) + 4 x (No.of A:T base pair) Tm = 4 x (No.of G:C base pair) + 2 x (No.of A:T base pair) Tm = 4 x (No.of A:T base pair) + 2 x (No.of G:C base pair) Tm = 69.3° + 0.41 (%)G+C -650/1 Tm = 2 x (No.of G:C base pair) + 4 x (No.of A:T base pair) Tm = 4 x (No.of G:C base pair) + 2 x (No.of A:T base pair) Tm = 4 x (No.of A:T base pair) + 2 x (No.of G:C base pair) Tm = 69.3° + 0.41 (%)G+C -650/1 ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication How does ethidium bromide interact with DNA? It does not interact It binds to phosphate It intercalates between bases It binds to adenine It does not interact It binds to phosphate It intercalates between bases It binds to adenine ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork? Lagging strand Okazaki fragments Leading strands Primers Lagging strand Okazaki fragments Leading strands Primers ANSWER DOWNLOAD EXAMIANS APP
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