DNA Structure and Replication DNA helicase is used to interact the double helix closely unwind the double helix break a phosphodiester bond in DNA strand None of these interact the double helix closely unwind the double helix break a phosphodiester bond in DNA strand None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has 3'-5'exonuclease activity 5'-3' exonuclease activity both (a) and (b) 5'-3' endonuclease activity 3'-5'exonuclease activity 5'-3' exonuclease activity both (a) and (b) 5'-3' endonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the name given to the points at which a DNA helix is unwound and new strands develop? Replication forks Okazaki fragments Replication origins Leading strands Replication forks Okazaki fragments Replication origins Leading strands ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which DNA polymerase removes RNA primers in DNA synthesis? none of these Polymerase II Polymerase I Polymerase III none of these Polymerase II Polymerase I Polymerase III 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' exonuclease 5' → 3' polymerase 3' → 5' exonuclease All of these 5' → 3' exonuclease 5' → 3' polymerase 3' → 5' exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 20 to 30% 40 to 50% 30 to 40% 10 to 20% 20 to 30% 40 to 50% 30 to 40% 10 to 20% ANSWER DOWNLOAD EXAMIANS APP
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