In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base?

TLS Online TPP Program

#Question id: 1602

#Unit 4. Cell Communication and Cell Signaling

Following are some of the characteristics of MHC 1 and MHC 2 both , except 

TLS Online TPP Program

#Question id: 1603

#Unit 4. Cell Communication and Cell Signaling

MHC is,

TLS Online TPP Program

#Question id: 1604

#Unit 4. Cell Communication and Cell Signaling

Many viruses produce a protein immunoevasin that interferes with antigen presentation by MHC class I molecules. The immunoevasin interfere MHC presentation by

TLS Online TPP Program

#Question id: 1605

#Unit 4. Cell Communication and Cell Signaling

inhibition of class I presentation,

TLS Online TPP Program

#Question id: 1606

#Unit 4. Cell Communication and Cell Signaling

transporter associated with antigen processing(TAP) is ,

TLS Online TPP Program

#Question id: 1607

#Unit 4. Cell Communication and Cell Signaling

Which of the following does NOT protect body surfaces?