Answer:
As the outer layer of your skin separates your body from its environment, the cell membrane (also known as the plasma membrane) separates the inner contents of a cell from its exterior environment. This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out.
Explanation:
The one that needs help
hope that helps
Answer:
: A decrease in pH is too acidic compared to optimum pH for amylase activity.
Answer:
The last one
Explanation:
They are both found in the middle and everything else is false
<span>A person must inherit two copies of a defective CF gene -- one copy from each parent -- to have the disease. People who inherit only one copy are considered CF carriers and do not have the disease, but they can pass their copy of the defective gene on to their children.</span>
