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 What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence? H B None of these S H B None of these S ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA, there are three bases known as adenine, guanine and cytosine only two bases known as adenine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine four bases known as adenine, guanine, thymine and cytosine three bases known as adenine, guanine and cytosine only two bases known as adenine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine four bases known as adenine, guanine, thymine and cytosine 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? 3' → 5' exonuclease 5' → 3' polymerase 5' → 3' exonuclease All of these 3' → 5' exonuclease 5' → 3' polymerase 5' → 3' exonuclease All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication E.coli DNA polymerases II and III lack 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity 5' → 3' exonuclease activity partially 5' → 3' endonuclease activity 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity 5' → 3' exonuclease activity partially 5' → 3' endonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA double helix, the two DNA chains are held together by None of these ionic bonds between the pair of bases covalent bonds between the pair of bases hydrogen bonds between the pair of bases None of these ionic bonds between the pair of bases covalent bonds between the pair of bases hydrogen bonds between the pair of bases ANSWER DOWNLOAD EXAMIANS APP
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