The area of consideration for volume and rate when delivering a briefing is a verbal consideration. This is such because delivering a brief is oral and
a face-to-face communication so that information can be delivered clearly,
questions will be asked and feedbacks can be collected accordingly.
the hormones must attach to receptors before it is taken into the cell. So hormones that can perfectly fit into the receptors present in cell's membrane can enter the cell others cannot.
SO basically their ability to fit into the receptors