Chromatin-mediated repression of transcription involves

a. modification of lysine residues in histones. 

b. large, multiprotein complexes.

c. acetylation of histone tails.   

d. deacetylation of histone tails.

TLS Online TPP Program

#Question id: 24553

#Unit 9. Evolution & Diversity of Life Forms

113 Sequence divergence of genome are carried out by accumulating mutagens with time, according to the given graph which of the following prediction are correct about the codon position of the genome?

TLS Online TPP Program

#Question id: 24554

#Unit 9. Evolution & Diversity of Life Forms

several species arise from a common ancestor over a short time called___

TLS Online TPP Program

#Question id: 24555

#Unit 4. Cell Communication and Cell Signaling

Naturally occurring passive form of immunity is

a) maternal IgG crosses the placenta

b) maternal IgE crosses the placenta

c) maternal IgA present in breast milk

d) Maternal IgM present in breast milk

TLS Online TPP Program

#Question id: 24556

#Unit 4. Cell Communication and Cell Signaling

When is passive Immunization  given?

a. Exposure of toxin cause immediate response 

b. Exposure to pathogen that can cause death faster rather than faster activation of immunity

c. Exposure of venom cause immediate threat to life 

d. Abundance of immunity

TLS Online TPP Program

#Question id: 24557

#Unit 4. Cell Communication and Cell Signaling

Patient s suffering from  diphtheria are given antiserum for therapy, this process of immunization is defined as ;

TLS Online TPP Program

#Question id: 24558

#Unit 4. Cell Communication and Cell Signaling

Spreading venom into the body of patient by snake biting, give antiserum of the patient  for therapy, this process of immunization defined as ;