First forest plants appeared in which geological period time scale?

TLS Online TPP Program

#Question id: 27478

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following are the minimum essential criteria for the chirality of Aldoses and ketoses

TLS Online TPP Program

#Question id: 27424

#Unit 1. Molecules and their Interaction Relevant to Biology

Conversion of antigen are possible with the help of enzyme then O  A antigen , O B antigen these conversion are catalysed by enzyme a and b which are

TLS Online TPP Program

#Question id: 27423

#Unit 1. Molecules and their Interaction Relevant to Biology

Cholesterol Poor region are maintained in the

TLS Online TPP Program

#Question id: 27422

#Unit 1. Molecules and their Interaction Relevant to Biology

There are two extreme states of bilayer lipids choose which of the following is correct  

1.In the liquid- ordered (Lo) state, polar head groups are non uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with irregular

2.in the liquid- ordered (Lo) state, polar head groups are uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with regular

3.In the liquid-disordered (Ld) state acyl chains undergo much thermal motion and have regular organization.

4.In the liquid-disordered (Ld) state, acyl chains undergo much thermal motion and have no regular organization.

TLS Online TPP Program

#Question id: 27421

#Unit 1. Molecules and their Interaction Relevant to Biology

Highest concentration of cholesterol are found in

TLS Online TPP Program

#Question id: 27420

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following membrane do not have cholesterol

1.Plasma membrane (E. coli)

2.Outer mitochondrial membrane (cauliflower)

3.Inner mitochondrial membrane (cauliflower)

4.Chloroplast inner membrane