Which of the following is incorrect regarding to α-helix

a) In the α helix, the first four NH groups and last four CO groups will normally lack backbone  hydrogen bonds.

b) the length of an amino acid in α-helix reduced almost 3 times than linear structure.

c) the frequent occurrence of Pro and Gly residues favour α-helix formation.

d) dihedral (ϕ and ψ) angle should be close to -57 and -47.

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DOOR : HINGE

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#Unit 7. System Physiology – Animal

When the temperature of environment is above 34 degrees, the only heat loss mechanism is

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#Unit 11. Evolution and Behavior

When Cuvier considered the fossils found in the vicinity of Paris, he concluded that the extinction of species ________.

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#Unit 12. Applied Biology

Promoter prpl-1 specifies the expression of barnase gene in such cells 1that are 

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#Unit 1. Molecules and their Interaction Relevant to Biology

The research papers writing methodology has slight variations in reference to