#1, they remain outside the target cell. #2, bind to the receptors inside the target cell. #3, they have no target cells. #4, are made of proteins.
Measurable goals allow you to judge your progress towards achieving them as well as to know for certain when you have done so. In psychological terms, measurable goals are more motivational than abstract goals
Answer:
C.
Explanation:
He ran at noon on the beach seems to be the best answer.
