Channel proteins is the answer to your question
Answer:
It is A
Explanation:
It is the only one that makes sense
Hope this helps
Out of the choices given, the two Middle Eastern people that can be referred to as a Semite is the Jews and the Persians. This will make the correct answer D.
Coal is considered a non renewable source because the earth cannot replenish it.
Although the dolphin lives in the sea, it is not a fish - it's a mammal.
It makes the most sense if you read it aloud.