How many hydrogen bonds involving the backbone CO and NH can be observed in an a-helix consisting of 15 amino acid residues?

Progression across G1/S boundary followed by entry into S-phase is promoted by the activation of which one of the following protein complexes?

The movement of proteins bigger than 50 kDa across the nuclear envelope requires:

A fly with apricot coloured eye was crossed with a sepia eyed fly of opposite sex. In F1 all flies were wild type. The genes responsible for the two

Human polydactyly trait having extra finger or toe are caused by a dominant allele.In a screening it was found that out of 42 individual having allele for polydactyly,only 38 of them were polydactylus.Which of the following is the correct interpretation?

What is the pattern of cleavage observed in mammals?

Which of the following combinations would best characterize the dominant phase of the life cycle of a pteridophyte?

Which one of the following gases is present in the stratosphere at a concentration higher than its concentration in troposphere?

Are you ready to witness something life-changing at 5 PM?

Among the children of a family, each boy has as many brothers as sisters but each girl has twice as many brothers as sisters. How many boys and girls are there in the family?

Which topic troubles you the most?

Which one of the following is NOT released by sympathetic preganglionic neurons ?

The maximum frequency of recombination that can occur between two loci is

Which one of the following routes is responsible for maximum amount of body heat loss in humans at an ambient temperature of 21°C?