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TLS Online TPP Program

#Question id: 800

Following table lists the two major forms of DNA duplexes, conformation of base attached to the sugar and the nature of major and minor grooves.

DNA duplex

Properties

(A)  A form

(i) Syn conformation of the base to sugar

(B)  B form

(ii) Anti conformation of the base to sugar

 

(iii) Wide major groove

 

(iv) Narrow major groove

 

(v) Wide minor groove 

 

(vi) Narrow minor groove 

 

(vii) C-3’ endo sugar puckering

 

(viii) C-2’ endo sugar puckering

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. A – ii, iv, v, vii and B – ii, iii, vi, viii

  2. A – i, iv, v, vii and B – ii, iii, vi, viii

  3. A – ii, iii, vi, vii and B – ii, iv, v, viii

  4. A – ii, iv, v, viii and B – ii, iii, vi, vii

More Questions
TLS Online TPP Program

#Question id: 27479

#Unit 1. Molecules and their Interaction Relevant to Biology

For monosaccharides having  two or more asymmetric carbons, their L or D con configuration can be decided by using
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