Practice Questions

TLS Online TPP Program

#Question id: 290

Which of the following is a TRUE statement about ionic bonds in protein structure:

#Section 2: General Biology

Ionic bonds on the external surface of the folded protein are more stable than those buried in the protein interior.
In an ionic bond, a hydrogen atom carrying a partial positive charge on the electronegative atom of one covalent bond interacts with the partial negative charge of an electronegative atom of a second polar covalent bond.
Ionic bonds can only form between acidic and basic polar charged amino acid R groups in a specific pH range.
Ionic bonds only exist in inorganic molecules.

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TLS Online TPP Program

#Question id: 15923

#Section 6: Plant, Animal and Microbial Biotechnology

The growth of animal cells in vitro in a suitable culture medium is called___________

TLS Online TPP Program

#Question id: 14442

#Section 1: Engineering Mathematics

if A= the find A^-1

TLS Online TPP Program

#Question id: 12921

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the following:-

A. Gene probe production. i. Novel proteins

B. Genome mapping. ii. PCR mutagenesis

C. Protein Engineering. iii. Sequence tagged sites

D. Gene Editing. iv. Use with blots

TLS Online TPP Program

#Question id: 10762

#Section 6: Plant, Animal and Microbial Biotechnology

The following are certain statements about secondary metabolites:

a) They protect plants against being eaten by herbivores and against being infected by microbial pathogens

b) Terpenes, are the class of secondary metabolites are synthesized by methyl erythritol phosphate(MEP) pathway and Mevalonic acid pathway

c) Terpenes, are the class of secondary metabolites are synthesized by methyl erythritol phosphate(MEP) pathway and sikkimic acid pathway

Which one of the following combinations of the above statements is correct?

TLS Online TPP Program

#Question id: 15904

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

If the cell arc treated with 0.01% solution of FDA, what will be the effect on live cell?