I just need somone kind enough to confirm my answers.

1. Membrane bound organelles are also referred to as ...
A) vesicles
B) channels
C) integral proteins
D) a and b

I think the probable answer is A.

2. Plasmolysis of human red blood cells would occur if the cell were in .. solution
A) isotonic
B) hypertonic
C) hypotonic
D) none of these

I'm really not sure, but my gut's telling me that the answer is B.

3. Gateway for ions to enter and leave a cell ...
A) hydrophobic end
B) hydrophilic end
C) protein channels
D) a, b, and c

I think this is C.