Me answer this ~50 points! ~ answer the second clue of the mystery. think about what the term "antibiotic" means. the meaning of antibiotic; antibiotic - the term antibiotic means something that kills bacteria without harming the host. mystery: steere's patients were by antibiotics. what clue this give him about the disease's pathogen?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Why does sexual reproduction result in more genetic variation in a species

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome