Answer:
Steven universe is one of the best shows ever created
Explanation:
just because
It serves as a barrier to biological activity.
Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
Answer: The lipids and proteins that make up the membrane allow it to be selective about what enters and leaves the cell. The fluid inside the membrane buffers the chemical reactions taking place inside the cell.
Explanation:
Phagocytosis and the inflammatory response. Macrophages are a cornerstone of the innate immune system. ... Recent work indicates that Toll-like receptors play a key role in reading a "bar code" on invading microorganisms and in eliciting a specific immune respone.
