Refer to the Table Below

Multiple Choice

Refer to the table below. The table shows data collected from studies comparing normal and mutant cells.Mutant cells differ from normal cells in having a mutation in the gene encoding a receptor protein.The mutation results in a single amino acid change from a serine to a cysteine.A possible effect of the mutation is that receptor protein

A) is not synthesized in mutant cells.
B) no longer recognizes the signal molecule.
C) loses specificity and recognizes many different molecules as signals.
D) cannot activate intracellular signal transduction.
E) loses its ability to embed in the cell membrane.