Subject SAT (College Board) Biology: Questions 396 - 401 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: 396

» Organism and Population

Edit
MCQ▾

Question

Gymnosperms do not have

Choices

Choice (4) Response

a.

Tracheids and sieve tubes

b.

Tracheids and companion cells

c.

Vessels, sieve tubes and companion cells

d.

Xylem vessels and sieve tubes

Question number: 397

» Cell

Edit
MCQ▾

Question

Nuclear envelope reappears at

Choices

Choice (4) Response

a.

Telophase

b.

Cytokinesis

c.

Metaphase

d.

Anaphase

Question number: 398

» Atoms and Compounds

Edit
MCQ▾

Question

The 3D structure of protein can be determined by

Choices

Choice (4) Response

a.

NMR- Nuclear magnetic Resonance

b.

X-ray crystallography

c.

Both a. and b. are correct

d.

None of the above

Question number: 399

» Atoms and Compounds

Edit
MCQ▾

Question

What discovery was accounted for in Rutherford’s model of the atom?

Choices

Choice (4) Response

a.

Electrons

b.

A positively charged nucleus

c.

Neutrons

d.

The northwest passage

Question number: 400

» Cell

Edit
MCQ▾

Question

At metaphase, chromosomes are attached to the spindle fibres by their

Choices

Choice (4) Response

a.

Satellites

b.

Secondary constrictions

c.

Kinetochores

d.

Centromere

Question number: 401

» Cell

Edit
MCQ▾

Question

Which of the following statements is not true regarding the active site of an enzyme?

Choices

Choice (4) Response

a.

An active site contains amino acids which are important to the binding process and the catalytic mechanism.

b.

An active site is normally a hollow or cleft on the surface of an enzyme

c.

Substrates fit into active sites and bind to functional groups within the active site.

d.

An active site is normally hydrophilic in nature

Developed by: