There are two friends A and B. A starts with his car at the speed 40 kmph. B starts one hour later from the same place, in the same direction on his bike at the speed of 50 kmph. After how many hours they will meet ?

#Question id: 11328

#Unit 10. Ecological Principles

The __________ zone is the shallow area around the edge of a lake or pond with rooted vegetation, such as water lilies and pickerelweed.

#Question id: 11242

#Unit 10. Ecological Principles

A disadvantage of sexual reproduction is

#Question id: 22971

#Unit 7. System Physiology – Animal

#Question id: 724

#Unit 1. Molecules and their Interaction Relevant to Biology

In 1988, Richardson and Richardson observed that certain amino acid residues are statically favored as the amino-terminal caps for the alpha helices in 45 globular proteins. Which of the following statement stand correct with stability of helix?

A. The introduction of a negatively charged side chain at the N-cap, which can neutralize the partial dipole created by the unpaired amide protons, has been shown to increase stability

B. In particular, Gly is often observed at the both C-cap position and N-cap positions

C. In particular, Gly is often observed at the C-cap position only

D. In particular, Gly is often observed at the C-cap position, Asn at the N-cap position, Pro at the Ncap+1 and Asp and Glu at N2 and N3

#Question id: 10934

#Unit 1. Molecules and their Interaction Relevant to Biology

Carboxy terminus is protonated at ………………while amino terminus will be deprotonated at………..