Answer:
Explanation: How do things move across a cell membrane?
Summary. Controlling the movement of things in and out of the cell is an important role of the plasma membrane. ... Osmosis is the diffusion of water molecules across a membrane. Water moves in or out of a cell by osmosis until its concentration is the same on both sides of the plasma membrane.
Answer:
1.Nucleic acids: Stores and transfers info.
2.Carbohydrates; Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall.
3.Lipid: Insulator and stores fat and energy.
4.Protein: Provide structural support,transport, enzymes, movement, defense.
This is more common sense rather than biology, but talking to someone would slow it down, so you know it’s not c or e. The best idea is b
The answer is the first one A