A hormone often affects only certain target cells. The reason the message of an "inappropriate" hormone is "ignored" by nontarget cells is that the nontarget cells _____.
lack receptors for the hormone
A.) Preventing unnecessary air pollution
Sperm is a sex cell that is created by meiosis and is needed for sexual reproduction.
A famine may occur when there is a food shortage due to a bad crop of a certain food. Or if there is more people needing a certain food than what is available. <span />
Actually exercise is only about 20 percent and your calorie intake is 80 percent when it comes to losing weight. So if you cut your calories and focus on eating vegetables that are high in protein rather then meats that are high in protein you will see a big difference fast
