A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

TLS Online TPP Program

#Question id: 15328

#Unit 4. Cell Communication and Cell Signaling

Given some properties of B-cells, except?

a) They are APCs

b) Have surface marker CD19

c) Antibodies at surface of b cell – IgM, IgE

d) They can express only MHC1

e) Part of Innate immunity

TLS Online TPP Program

#Question id: 15530

#Unit 4. Cell Communication and Cell Signaling

The activity of already differentiated effector and memory T cells is maintained by a receptor which are generally expressed on the memory and effector T cells. 

TLS Online TPP Program

#Question id: 11346

#Unit 2. Cellular Organization

Which protein are anti-apoptotic?

TLS Online TPP Program

#Question id: 23653

#Unit 13. Methods in Biology

In a genomic DNA library the frequency of occurrence of a desired clone, n, also represents

TLS Online TPP Program

#Question id: 33339

#Unit 2. Cellular Organization

Inactivation of which of the following protein in rod-shaped bacteria causes the cells to become coccoid (coccus-shaped)?