The cell wall is semi-permeable.The membrane is permeable and controls the movement of the substance into and outside the cell. That is, it can allow water and other substance to pass through selectively. Functions include protection from the external environment.
Here's the website for more info on it
https://byjus.com/biology/cell-wall-and-cell-membrane/
On the other hand, cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids. ... Specialized proteins in the cell membrane regulate the concentration of specific molecules inside the cell.
The “s phase” also known as interphase.
The answer is; 3
A lunar cycle is the phases of the moon as it orbits, once, around the earth (which takes approximately 29.5 days). These phases can be viewed from the earth - new moon to full moon. The light from the sun that hits the moon reflects to the earth. Depending on the position of the moon, in its orbit, and with respect to a person at a particular position of the earth, the moon will be in a particular phase.