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TLS Online TPP Program

#Question id: 370

Which of the following statements is true about buffer solutions?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. They maintain a constant pH of 7.

  2. They maintain a constant pH when acids are added to them but not when bases are added to them.

  3. They fluctuate in pH when either acids or bases are added to them.

  4. They maintain a relatively constant pH when either acids or bases are added to them.

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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
TLS Online TPP Program

#Question id: 27416

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statement is true
1. Wedge or cone shape lipid promote the formation of monolayer micelle 
2. Wedge or cone shape lipid promote the formation of lipid bilayer 
3. Cylindrical shaped lipid majorly promote the formation of perfect  lipid bilayer region
4. Cylindrical shaped lipid majorly promote the formation of monolayer micelle
TLS Online TPP Program

#Question id: 27415

#Unit 1. Molecules and their Interaction Relevant to Biology

Lipid aggregation are catalyzed by which of the following bond effect