Question

The "A" subunit of diphtheria toxin
A.binds host cell receptors found on heart cells
B. cause ADP ribosylation of a factor involved in protein synthesis
C. forms cAMP that leads to fluid accumulation
D. lysis macrophages with the release of cytokines

Answer 1

The Answer is option no. :- B.

Answer 2

The "A" subunit of diphtheria toxin
A.binds host cell receptors found on heart cells
B. cause ADP ribosylation of a factor involved in protein synthesis
C. forms cAMP that leads to fluid accumulation
D. lysis macrophages with the release of cytokines

A.binds host cell receptors found on heart cells

Binding of the H protein to a cellular receptor is the initial. Tissue-culture- cell-adapted virus .