Chapter 2: The Cell

Question 1

What is the plasma membrane, and what are its main functions?

Answer 1

The plasma membrane is a bilayer made of lipids with embedded protein molecules.
Functions: responsible for The regulation of substances moving into and out of cells

Question 2

When I sell gets bigger does it surface area to volume ratio go up or down? Explain

Answer 2

Doubling the diameter of a cell increases its volume by eight times, but increases its surface area by only four times.

Question 3

What is the difference between the word prokaryote and the term prokaryotic cell?

Answer 3

Prokaryote is a term that describes a unique group of evolutionarily related organisms.
A prokaryotic cell refers to a particular cell architecture: lacking a nucleus