The "design plans" for proteins would be DNA
Sebum, a fatty substance that serves as a water repellent it also serves as a natural antibacterial and antifungal agent,
yes the skin is important not only to excrete but its also a protective organ that absorbs oxygen and nitrogen
Answer:
The answer is <u><em>A</em></u> I think.
<span>Membrane receptor proteins relay signals between the cell's internal and external environments.
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Transport proteins move molecules and ions across the membrane.</span></span>
Answer:
See explain
Explanation:
I gotchu. First, let's just remove A from the beaker and feed it to a rat. If he lives, the poison is A, if not it's still in one of the 3. Now, remove B and feed to a rat. If he dies, it's not B or A . . . so on until you have your answer.
