Catecholamines relative function in both increasing and decreasing the secretion of insulin and glucagon via____

I- increasing by β-adrenergic mechanisms 

II- inhibiting by β-adrenergic mechanisms 

III- increasing by α-adrenergic mechanisms 

IV- inhibiting by α-adrenergic mechanisms

TLS Online TPP Program

#Question id: 33396

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of Coiled-coils 

a. Alpha-helices are packed together through the charged interactions only

b. They have heptad repeated sequences.

c. 3.6 aa / turn and 5.2A for a helix. 

d. abcdefg 'a' &'d’ are hydrophobic residues 'e' and 'g' are found to be charged amino.

Which of the following is correct

TLS Online TPP Program

#Question id: 33397

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following characterises domains

a. Highly conversed and may be common in most unrelated proteins.

b. They do not evolve.

c. Can function Independently.

d. Average 100 amino acids.

e. Single hydrophobic core.

TLS Online TPP Program

#Question id: 33398

#Unit 1. Molecules and their Interaction Relevant to Biology

Immunoglobulin fold is characterised by

TLS Online TPP Program

#Question id: 33399

#Unit 1. Molecules and their Interaction Relevant to Biology

Transmembrane β barrels of known structure consist of 

TLS Online TPP Program

#Question id: 33400

#Unit 1. Molecules and their Interaction Relevant to Biology

Green fluorescent protein is

TLS Online TPP Program

#Question id: 33401

#Unit 1. Molecules and their Interaction Relevant to Biology

Four-bladed B propeller of Collagenase is made of