Signaling molecules of the endocrine system first bind to a receptor molecule that transduces its signal, meaning that it .

a. changes it to a form that affects the target cell behavior
b. prepares it to travel a long distance in the body to its target
c. blocks it from entering a target cell
d. becomes reabsorbed into the body

the answer is

a. changes it to a form that affects the target cell behavior

Explanation:

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."