The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:

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#Question id: 15369

#Unit 4. Cell Communication and Cell Signaling

Changes in DNA methylation, as well as changes in the activity of histone-modifying enzymes or chromatin-remodeling complexes, are major drivers of tumorigenesis,

a. Hypermethylation of CpG dinucleotides of TSG gene causes cancer.

b. Hypomethylation of CpG dinucleotides of proto-oncogenes causes cancer.

c. SWI/SNF plays a role in repressing the expression of E2F genes.

d. Gain of SWI/SNF function, just like loss of Rb function.

Which of the statements are INCORRECT;

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#Question id: 1583

#Unit 4. Cell Communication and Cell Signaling

These cells are involved in cell-mediated immunity and destroy virally infected cells:

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#Question id: 11149

#Unit 7. System Physiology – Animal

The Nernst equation specifies the equilibrium potential for a particular ion. This equilibrium potential is a function of ________.

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#Question id: 27078

#Unit 1. Molecules and their Interaction Relevant to Biology

The combined repulsive and attractive van der Waals terms are described by plots of the potential energy as a function of interatomic separation distance

Which of the following's assumptions can be drawn from given graph related phenomenon

1. As the interatomic distance increases attractive forces act dominantly by the factor of 1/r¹² 

2. As the interatomic distance increases attractive forces act dominantly by the factor of 1/r⁶ 

3. As the interatomic distance decreases repulsive forces act dominantly by the factor of 1/r⁶ 

4. As the interatomic distance decreases repulsive forces act dominantly by the factor of 1/r¹² 

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#Question id: 2049

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of immune responses?