T Cell

1. CD4 molecules bind with____ MHC molecules and are found on (expressed by) ____ cells. CD8 molecules bind with ____ MHC molecules and are found on (expressed by)____ cells.

Class I; Helper T; Class II; Cytotoxic T

Class I; Cytotoxic T; Class II; Helper T

Class II; Helper T; Class I; Cytotoxic T

Class II; Cytotoxic T; Class I; Helper T

2. Match the description with the molecules: Genes involved in antigen processing

TCR

CD3

CD4 & CD8

CD11a (LFA-1)

LMP/TAP

3. Match the description with the molecules: Involved in signal transduction on different T cells

TCR

CD3

CD4 & CD8

CD11a (LFA-1)

LMP/TAP

4. Match the description with the molecules: Antigen recognition molecule

TCR

CD3

CD4 & CD8

CD11a (LFA-1)

LMP/TAP

5. Which of the following is the cellular receptor for HIV attachments to T cells?

CD2

CD3

CD4

CD8

LFA-1

6. CD4 and CD8 enhance the response of specific T cells, both by stabilizing the TCR- peptide-MHC complex and by bringing what type of protein kinase into the proximity of the cytoplasmic tails, thereby facilitating signal transduction and cell activation?

Serine

Threonine

Aspartic acid

Histidine

Tyrosine