1. Find the false statement. A) Signal amplification allows a few ligand-bound r
ID: 46080 • Letter: 1
Question
1. Find the false statement.
A) Signal amplification allows a few ligand-bound receptors to produce a strong response inside
the cell.
B) Signal transduction is the mechanism by which the binding of a ligand to a receptor at the cell
surface produces a response within the cell
C) Signal transduction involves switching enzymes from an inactive state to an active state
D) Signal amplification can involve protein kinases or second messengers.
E) The enzyme that produces IP3 is called phospholipase C.
F) Signal transduction is expressed in micrometers and indicates the distance traveled by the
ligand, from the cell that produced it all the way to the cell that responds to it
G) Protein kinases transfer a phosphate from ATP to other proteins
H) Ca2+, IP3, and cAMP are all examples of second messengers
Explanation / Answer
The false statement is (F) Signal transduction is expressed in micrometres and indicates the distance travelled by the ligand, from the cell that produced it all the way to the cell that responds to it
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