Subject SAT (College Board) Biology: Questions 645 - 653 of 805

Access detailed explanations (illustrated with images and videos) to 805 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 400.00 or

How to register?

Question number: 645

» Mendel and Hereditary

Edit
MCQ▾

Question

When a single gene influences more than one trait it is called

Choices

Choice (4) Response

a.

pleiotrophy

b.

pseudodominance

c.

epistasis

d.

Question does not provide sufficient data or is vague

Question number: 646

» DNA and Evolution

Edit
MCQ▾

Question

The basic unit of nucleic acid is

Choices

Choice (4) Response

a.

nucleotide

b.

nucleoside

c.

pentose sugar

d.

nucleoid

Question number: 647

» Organization and Regulation

Edit
MCQ▾

Question

Pigment acting as a reaction centre during photo system is

Choices

Choice (4) Response

a.

P700

b.

Carotene

c.

Cytochrome

d.

Phytochrome

Question number: 648

» DNA and Evolution

Edit
MCQ▾

Question

Majority of RNA is seen in

Choices

Choice (4) Response

a.

RER

b.

Cytoplasm

c.

SER

d.

Nucleus

Question number: 649

» Mendel and Hereditary

Edit
MCQ▾

Question

A gene pair hides the effect of another gene. The phenomenon is called

Choices

Choice (4) Response

a.

segregation

b.

epistasis

c.

mutation

d.

dominance

Question number: 650

» DNA and Evolution

Edit
MCQ▾

Question

The miss-incorporated base can change into a permanent mutation through

Choices

Choice (4) Response

a.

Transcription

b.

Transposition

c.

Translation

d.

Replication

Question number: 651

» DNA and Evolution

Edit
MCQ▾

Question

Prokaryotic RNA polymerase has polypeptide chains

Choices

Choice (4) Response

a.

3

b.

5

c.

4

d.

2

Question number: 652

» DNA and Evolution

Edit
MCQ▾

Question

Spot the RNA serves as adaptor molecule through protein synthesis.

Choices

Choice (4) Response

a.

hnRNA

b.

mRNA

c.

tRNA

d.

rRNA

Question number: 653

» DNA and Evolution

Edit
MCQ▾

Question

What is correct with reference to DNA polymerase?

Choices

Choice (4) Response

a.

It can synthesize DNA in the 5’ to 3’ direction

b.

It can synthesize DNA in the 3’ to 5’ direction

c.

It can synthesize mRNA in the 3’ to 5’ direction

d.

It can synthesize mRNA in the 5’ to 3’ direction

Developed by: