DNA Structure and Replication DNA gyrase in E. coli is required only at the oriC site performs the same function as helicase in eukaryotes adds positive supercoils to chromosomal DNA can be inhibited with antibiotics is required only at the oriC site performs the same function as helicase in eukaryotes adds positive supercoils to chromosomal DNA can be inhibited with antibiotics ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA helicase is used to None of these break a phosphodiester bond in DNA strand unwind the double helix interact the double helix closely None of these break a phosphodiester bond in DNA strand unwind the double helix interact the double helix closely ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA, there are four bases known as adenine, guanine, thymine and cytosine three bases known as adenine, guanine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine only two bases known as adenine and cytosine four bases known as adenine, guanine, thymine and cytosine three bases known as adenine, guanine and cytosine five bases known as adenine, guanine, thymine, tryptophan and cytosine only two bases known as adenine and cytosine 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? Okazaki fragments Leading strands Replication origins Replication forks Okazaki fragments Leading strands Replication origins Replication forks 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 protamines All of these purines pyrimidines protamines All of these purines pyrimidines ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The chromosomal DNA complexes with four types of histone as H1, H2A, H3 and H4 two types of histone as H1 and H4 five types of histone as H1, H2A, H2B, H3 and H4 three types of histone as H1, H2A and H4 four types of histone as H1, H2A, H3 and H4 two types of histone as H1 and H4 five types of histone as H1, H2A, H2B, H3 and H4 three types of histone as H1, H2A and H4 ANSWER DOWNLOAD EXAMIANS APP
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