TLS Online TPP Program

#Question id: 124


What is the role of cholesterol in animal cell membranes?

#Life Sciences
  1. Blocks the association of the fatty acyl chains of phospholipids at high temperature.

  2. Aids in the transport of small hydrophobic molecules across the membrane.

  3. Is a receptor site for hormones on the surface of membranes.

  4. Broadens the temperature range of optimum membrane fluidity.

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TLS Online TPP Program

#Question id: 3651

#Biochemistry

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

TLS Online TPP Program

#Question id: 3651

#Botany

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

TLS Online TPP Program

#Question id: 3651

#Zoology

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

TLS Online TPP Program

#Question id: 3651

#Life Sciences

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

TLS Online TPP Program

#Question id: 3651

#Environmental Science

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.

TLS Online TPP Program

#Question id: 3654

#Biochemistry

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.