Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 782
TLS Online TPP Program

#Question id: 800

Following table lists the two major forms of DNA duplexes, conformation of base attached to the sugar and the nature of major and minor grooves.

DNA duplex

Properties

(A)  A form

(i) Syn conformation of the base to sugar

(B)  B form

(ii) Anti conformation of the base to sugar

 

(iii) Wide major groove

 

(iv) Narrow major groove

 

(v) Wide minor groove 

 

(vi) Narrow minor groove 

 

(vii) C-3’ endo sugar puckering

 

(viii) C-2’ endo sugar puckering

#Unit 1. Structure and Function of Biomolecules

  1. A – ii, iv, v, vii and B – ii, iii, vi, viii

  2. A – i, iv, v, vii and B – ii, iii, vi, viii

  3. A – ii, iii, vi, vii and B – ii, iv, v, viii

  4. A – ii, iv, v, viii and B – ii, iii, vi, vii

More Questions
TLS Online TPP Program

#Question id: 15481

#Unit 13. Advances in Biotechnology

One of the approaches for the bacterial strain improvement for primary metabolite include
TLS Online TPP Program

#Question id: 15482

#Unit 13. Advances in Biotechnology

Over expression of primary metabolites are often achieved by
1. Frequency of RNA polymerase binding to the promoter region
2. Copy number increase of structural genes for these enzymes by genetic engineering
3. Chemically derived protein
Which combination below represent correct option?
TLS Online TPP Program

#Question id: 15483

#Unit 13. Advances in Biotechnology

A novel technique for strain improvement combining the advantage of multi-parental crossing allowed by DNA shuffling with the recombination of entire genomes.
TLS Online TPP Program

#Question id: 15484

#Unit 13. Advances in Biotechnology

Microbial process produces l-form of amino acids which makes the process advantageous as compared to synthetic processes. Strains employed for amino acid 1. 1. 1. production are 
1. wild-type strains 
2. auxotrophic mutants
3. regulatory mutants
4. auxotrophic regulatory mutants
Which of the following combination has correct options
TLS Online TPP Program

#Question id: 15485

#Unit 13. Advances in Biotechnology

Plasmid vector systems for cloning in which bacteria have been established, for amino acid production and related strains.
A. Corynebacterium
B. Micrococcus, 
C. Brevibacterium, 
D. Microbacterium
Choose the correct option.
TLS Online TPP Program

#Question id: 15486

#Unit 13. Advances in Biotechnology

Why glutamic acid accumulation in cell is not a good idea for Corynebacterium