Download AKTU B-Tech 1st Sem 2015-2016 BT 11 Biochmistry Biophysics Microbiology Question Paper

Firstranker's choice

www.FirstRanker.com

Printed Pages: 3

--- Content provided by FirstRanker.com ---

963

BT-11

(Following Paper ID and Roll No. to be filled in your Answer Book)

Paper ID: 254101

Roll No.

--- Content provided by​ FirstRanker.com ---

B.Tech.

(SEM. I) THEORY EXAMINATION, 2015-16

BIOCHEMISTRY, BIOPHYSICS & MICROBIOLOGY

[Time: 3 hours]

[Total Marks : 100]

--- Content provided by‍ FirstRanker.com ---

SECTION-A

Attempt all part. All parts carry equal marks. Write answer of each part in short.

(2×10=20)

1. (a) Why can't we visualize single molecules by X-ray crystallography?
2. (b) If N=10, N₀=5x10⁷, and t=2 hours. Then calculate 'n' and generation time. Given Log (5x10⁷) is equal +07.69.

--- Content provided by​ FirstRanker.com ---

3. (c) Define precessional frequency.
4. (d) Write about significance of Michaelis-Menten constant (K_m).
5. (e) Classify carbohydrates. Give one example of each of them.
6. (f) Differentiate Enrichment medium and selective medium?
7. (g) Define Bragg's law.

--- Content provided by FirstRanker.com ---

8. (h) Write about (n+1) Rule.
9. (i) How can you say that Metabolism is important for us.
10. (j) Define Allosteric inhibition.

SECTION - B

Attempt any five question from this section. (10x5=50)

--- Content provided by‍ FirstRanker.com ---

1. How X-ray crystallography is useful in study of biological macromolecules.
2. Define phase problem. Describe various methods of overcoming of phase problems.
3. Describe bacterial growth kinetics. Differentiate exponential phase and stationary phase.
4. Write about instrumentation and application of NMR spectroscopy.
5. What do you mean by Bioenergetics? Describe the use of equation ?G=?H-T?S.

--- Content provided by FirstRanker.com ---

6. Classify different types enzyme inhibition. Describe competitive inhibition with suitable example.
7. What is biomolecules? Write about functional importance of protein with suitable example.
8. Define Spin-spin Splitting. How it is beneficial for us in structure determination.

SECTION-C

Attempt any two question from this section. (15x2=30)

--- Content provided by‌ FirstRanker.com ---

1. What do you mean by molecular modeling? How molecular modeling is useful for us describe in detail?
2. Differentiate cell organization in prokaryotes and eukaryotes. Describe structure and function of Ribosome and Mitochondria.
3. What do you mean by enzyme kinetics? Describe enzyme kinetics with the help of Michaelis-Menten Equation.