Microbiology - DNA Sequencing, Mutation and Repair

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Exercise :: DNA Sequencing, Mutation and Repair - Section 1

  • DNA Sequencing, Mutation and Repair - Section 1
1. 

Genetic variations are

A. temporary
B. influenced by the environment
C. stable
D. not heritable

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

The mutation which will not affect the length of a protein is,

A. nonsense mutation
B. missense mutation
C. frameshift mutation
D. all of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

3. 

Changes in which of the following characterizes mutations?

A. Phenotype
B. Genotype
C. Both (a) and (b)
D. None of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

Which of the following(s) is/are steps in excision repair mechanisms?

A. Excision
B. Incision
C. Ligation
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

The whole-genome shotgun sequencing approach depends primarily on

A. rapidly sequencing thousands of small randomly cloned fragments
B. methodical sequencing a few large cloned fragments of DNA
C. sequencing the bacterial chromosome while it is still intact
D. all of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.