The cell's plasma membrane mediates which of the following transactions with the environment? Choose all that apply.
A)Ingesting food molecules and sometimes entire cells
B)Returning waste and other molecules back to the environment
C)Responding to a host of chemical cues
D)Directing synthesis of various food-digesting proteins
E)Passing messages to other cells

Question

Quizplus · Accepted Answer

The plasma membrane acts as a barrier between the cell and its environment, controlling what enters and leaves the cell. It is involved in the ingestion of food molecules and cells (A), returning waste and other molecules back to the environment (B), responding to chemical cues (C), and passing messages to other cells (E). The direction of protein synthesis (D) is controlled by the nucleus and other organelles within the cell, not the plasma membrane.

The Cell's Plasma Membrane Mediates Which of the Following Transactions