GATE BT branch:bt PYQs & Answers — Page 62

Questions 611–620 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 62 of 65

Which one of the following graphs represents the kinetics of protein precipitation by addition of ammonium sulphate? On the Y-axis, [Protein] represents the concentration of free protein in solution.

Your answerChoose one option.

Diagram for Biotechnology question 26 (figure 2)

Diagram for Biotechnology question 26 (figure 3)

Diagram for Biotechnology question 26 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The distribution of marks scored by a large class in an exam can be represented as a normal distribution with mean μ and standard deviation σ. In a follow-up exam in the same class, everyone scored 5 marks more than their respective score in the earlier exam. For this follow-up exam, the distribution of marks can be represented as a normal distribution with mean μ₂ and standard deviation σ₂. Which one of the following is correct?

Your answerChoose one option.

μ = μ₂; σ > σ₂

μ < μ₂; σ > σ₂

μ > μ₂; σ < σ₂

μ < μ₂; σ = σ₂

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The angle (in degrees) between the vectors

and

is _________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the proteins in Group I with cellular processes in Group II.

Group I: P. p53; Q. Lysozyme; R. Tubulins; S. Histones

Group II: 1. DNA packaging; 2. Apoptosis; 3. Hydrolysis of polysaccharides; 4. Chromosome segregation

Your answerChoose one option.

P-4, Q-2, R-3, S-1

P-2, Q-3, R-1, S-4

P-4, Q-3, R-1, S-2

P-2, Q-3, R-4, S-1

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The circular dichroism spectra of three proteins P, Q, and R are given below:

Choose the correct combination.

Your answerChoose one option.

P: α-helix, Q: β-sheet, and R: Random coil

P: β-sheet, Q: α-helix, and R: Random coil

P: α-helix, Q: Random coil, and R: β-sheet

P: Random coil, Q: α-helix, and R: β-sheet

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the organisms in Column I with the characteristics in Column II.

Column I	Column II
P. Methanococcus	1. Halophile
Q. Dunaliella	2. Acidophile
R. Sulfolobus	3. Mesophile
S. Escherichia	4. Barophile

Your answerChoose one option.

P-4, Q-3, R-2, S-1

P-3, Q-2, R-4, S-1

P-2, Q-1, R-4, S-3

P-4, Q-1, R-2, S-3

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following amino acids has three ionizable groups?

Your answerChoose one option.

Glycine

Leucine

Valine

Lysine

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider an infinite number of cylinders. The first cylinder has a radius of 1 meter and height of 1 meter. The second one has a radius of 0.5 meter and height of 0.5 meter. Every subsequent cylinder has half the radius and half the height of the preceding cylinder. The sum of the volumes (in cubic meters) of these infinite number of cylinders is ________.

Given data: π = 3.14.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The concentration (in micromolar) of NADH in a solution with A₃₄₀ = 0.50 is ________.

Given data: Path length = 1 cm; Molar extinction coefficient of NADH ε₃₄₀ = 6220 M⁻¹cm⁻¹.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The specific activity of an enzyme in a crude extract of E. coli is 9.5 units/mg of protein. The specific activity increased to 68 units/mg of protein upon ion-exchange chromatography. The fold purification is ________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE BT branch:bt PYQs

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35