Practice Questions

TLS Online TPP Program

#Question id: 289

Which of the following statements describes a covalent bond between Carbon and Hydrogen:

#Unit 1. Molecules and their Interaction Relevant to Biology

The electrons are shared equally between the two atoms of the bond.
The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its outer shell electron is closer to its nucleus than the outer shell electrons of Carbon are to its nucleus.
The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its nucleus contains more protons than Carbon.
The electrons of the bond are pulled slightly closer to the nucleus of Carbon, because although its outer shell electrons are located farther away from the protons of its nucleus, it contains more protons than Hydrogen.

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TLS Online TPP Program

#Question id: 15481

#Unit 12. Applied Biology

One of the approaches for the bacterial strain improvement for primary metabolite include

TLS Online TPP Program

#Question id: 15482

#Unit 12. Applied Biology

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 12. Applied Biology

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 12. Applied Biology

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 12. Applied Biology

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 12. Applied Biology

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