DNA Structure and Replication In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called pyrimidines protamines All of these purines pyrimidines protamines All of these purines ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which polymerase is active in DNA repairing Polymerase I none of these Polymerase II Polymerase III Polymerase I none of these Polymerase II 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? 5' → 3' polymerase 3' → 5' exonuclease 5' → 3' exonuclease All of these 5' → 3' polymerase 3' → 5' exonuclease 5' → 3' exonuclease All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 30 to 40% 20 to 30% 10 to 20% 40 to 50% 30 to 40% 20 to 30% 10 to 20% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that neither chromatid was labeled both chromatids of a chromosome were labeled both (a) and (b) only one chromatid of a chromosome was labeled neither chromatid was labeled both chromatids of a chromosome were labeled both (a) and (b) only one chromatid of a chromosome was labeled ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand? Phosphate Cytosine Uracil Guanine Phosphate Cytosine Uracil Guanine ANSWER DOWNLOAD EXAMIANS APP