Some infant babies are made entirely of soft,flexible tissue called cartilage that’s slowly replaced by hard bone as the baby develops.
<span>Similarly to cells, viruses can spread and grow, as well as mutate. They can change what they do becoming even more deadly or they can become immune to medicine. They can also spread from cell to cell, then from people to people, change the way they spread as they mutate, and many many other things that are usually bad for humans.</span>
Answer:
crop rotation?
Explanation:
it would help the soil. so like every other year, if you plant a heavy nitrogen using plant like corn, the next year plant a nitrogen depositing plant like soybeans so the soil stays healthy and fertile
Answer:
Epinephrine binds to receptors on some smooth muscles (ex: around arterioles) → Ca++ released from ER → intracellular Ca++ up → stimulates contraction. c. Epinephrine binds to receptors on some smooth muscles (ex: around bronchioles) → phosphorylates protein needed for response to Ca++, preventing response.