A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that value of the determinant chosen is

positive is

TLS Online TPP Program

#Question id: 1988

#Unit 4. Cell Communication and Cell Signaling

What are CD4 and CD8?

TLS Online TPP Program

#Question id: 1989

#Unit 4. Cell Communication and Cell Signaling

Which of the following are T cells of the immune system?

TLS Online TPP Program

#Question id: 1990

#Unit 4. Cell Communication and Cell Signaling

B cells interacting with helper T cells are stimulated to differentiate when

TLS Online TPP Program

#Question id: 1991

#Unit 4. Cell Communication and Cell Signaling

Why can normal immune responses be described as polyclonal?

TLS Online TPP Program

#Question id: 1992

#Unit 4. Cell Communication and Cell Signaling

How do antibodies of the different classes IgM, IgG, IgA, IgD, and IgE differ from each other ?

TLS Online TPP Program

#Question id: 1993

#Unit 4. Cell Communication and Cell Signaling

When antibodies attack antigens, clumping of the affected cells generally occurs. This is best explained by