Answer:
<u><em>Cell Membrane (Plasma Membrane)</em></u>
The cell membrane consists of a lipid bi-layer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
Explanation:
Well I believe your taking the FLVS science test? If so the answer I got correct was "Kilogram"
Each macromolecule is broken down by a specific enzyme. For instance, carbohydrates are broken down by amylase, sucrase, lactase, or maltase. Proteins are broken down by the enzymes trypsin, pepsin, peptidase and others. Lipids are broken down by lipases.
