Question

uestions:
1. How do substances like CO, and
water move in and out of the cell?
Discuss.
2. Why is the plasma membrane
called a selectively permeable
membrane?​

Answer 1

1. Through diffusion.

2. The plasma membrane is called a selectively permeable membrane because it only allows selected substances to enter into the cell.

Answer 2

Answer:

1. CO2 is a gas so, carbondioxide moves in and out via diffusion. Diffusion is a process in which molecules intermingle due to kinetic energy from a higher concentration to lower concentration.

2. Plasma membrane or cell membrane is also called as selectively permeable membrane because it only allows certain substances to enter the cell (only some substances move in and out via cell membrane).

Explanation:

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