AP (Advanced Placement) Biology: Questions 134 - 137 of 868

Access detailed explanations (illustrated with images and videos) to 868 questions. Access all new questions- tracking exam pattern and syllabus changes. View the complete topic-wise distribution of questions. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 400.00 or

How to register?

Question number: 134

» DNA and Protein Synthesis

Edit
MCQ▾

Question

DNA repair mechanism included:

Choices

Choice (5)Response

a.

Excision repair

b.

Photoreactivation

c.

Recombination repair

d.

All a. , b. and c. are correct

e.

None of the above

Question number: 135

» DNA and Protein Synthesis

Edit
MCQ▾

Question

To isolate genes for cloning into another organism, DNA is frequently fragmented by enzymes. To purify these fragments, what is done next?

Choices

Choice (5)Response

a.

The fragments are separated from each other by a series of filtration steps using filters with differing pore sizes.

b.

The various fragments are separated from each other by agarose gel electrophoresis.

c.

Specific bacteria are added to the solution, because selected species allow specific sequences of foreign DNA to be incorporated into their own.

d.

The fragments are separated by gradient ultracentrifugation.

e.

The desired fragments are removed from the solution by affinity chromatography.

Question number: 136

» DNA and Protein Synthesis

Edit
MCQ▾

Question

Transfer of genetic message from nucleus to ribosome in cytoplasm is done by:

Choices

Choice (5)Response

a.

mRNA

b.

tRNA

c.

rRNA

d.

All of the above

e.

Question does not provide sufficient data or is vague

Question number: 137

» DNA and Protein Synthesis

Edit
MCQ▾

Question

The two-dimensional translation equation in the matrix form is

Choices

Choice (5)Response

a.

b.

c.

P’=p

d.

e.

All of the above

Developed by: