Tamiflu shortens the duration of flu symptoms, but it doesn’t stop you from spreading the virus. I think your teacher is pulling a trick question on you.
The first trimester begins on the first day of the last period and lasts until the end of week 12. During this trimester, the baby grows faster than at any other time. By six weeks, a heartbeat can usually be heard and by the end of week 12 the baby's bones, muscles and all the organs of the body have formed. The following is NOT included in the first trimester: Eyes and brain complete formation. Correct answer: D
Answer:
Competition on the same receptor binding site
Explanation:
Adenosine is a neuromodulator or chemical in nervous system that makes humans feel tired while caffeine act as adenosine antagonist of adenosine blocker that makes human feel fresh.
Adenosine and caffeine both binds to the same receptor and compete for the same binding site. When adenosine binds to its receptors, the neural activity slows down but when caffeine binds to the same receptor, it do not allow adenosine to bind the same receptor and do not slows down the neural activity.
Hence, the correct answer is "Competition on the same receptor binding site".
Answer:
Keep a journal of all the achievements you have done and gone threw. You can also ask friend, family or co-workers if they have seen improvement.
Bacteria grow most rapidly in the range of temperatures between 40 °F and 140 °F, doubling in number in as little as 20 minutes. This range of temperatures is often called the "Danger Zone.
