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Biochemistry - DNA Structure and Replication

Exercise : DNA Structure and Replication - Section 1
11.
DNA replication takes place in which direction?
3' to 5'
5 'to 3'
Randomly
Vary from organism to organism
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
DNA gyrase in E. coli
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In DNA, there are
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
In DNA, guanine pairs with
Adenine
Cytosine
Thymine
Uracil
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following is incorrect?
In DNA double helix, two strands of the DNA are bound with each other with the bases
Adenine always pairs with thymine
Guanine always pairs with the cytosine
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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