Practice Questions

TLS Online TPP Program

#Question id: 12431

Nitrifying bacteria participate in the nitrogen cycle mainly by

#Unit 10. Ecological Principles

Converting nitrogen gas to ammonia.
Releasing ammonium from organic compounds, thus returning it to the soil.
Converting ammonia to nitrogen gas, which returns to the atmosphere.
Converting ammonium to nitrate, which plants absorb.

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TLS Online TPP Program

#Question id: 33371

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of β turns conformation of

TLS Online TPP Program

#Question id: 33372

#Unit 1. Molecules and their Interaction Relevant to Biology

All turns secondary structures are characterised by

a. Dihedral angle values

b. Hydrogen bonding

c. i+1 residues

TLS Online TPP Program

#Question id: 33373

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of β turns, Hydrogen bonding is seen between

TLS Online TPP Program

#Question id: 33374

#Unit 1. Molecules and their Interaction Relevant to Biology

The 3₁₀ helix has

TLS Online TPP Program

#Question id: 33375

#Unit 1. Molecules and their Interaction Relevant to Biology

How many hydrogen bonds will be present in 20 amino acid alpha helix

TLS Online TPP Program

#Question id: 33376

#Unit 1. Molecules and their Interaction Relevant to Biology

Right-handed helical conformation has