What is true about the structure or function of the plasma membrane? A: The bilayer structure forms a solid boundary that separates the cell from its environment.

B: Large molecules often cross the plasma membrane while inside vesicles.

C: Hydrophobic molecules keep the cell from getting too much water.

D: It is made entirely of integral proteins.

B: Large molecules often cross the plasma membrane while inside vesicles.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: