Chapter 1

Question 1

What are the two broad types of cells?

Answer 1

Eukaryotic and prokaryotic cells

Question 2

How do eukaryotic cells differ from prokaryotic cells?

Answer 2

Eukaryotic cells have a more complex ultrastructure

Question 3

What does the term ultrastructure refer to?

Answer 3

The internal structure of cells

Question 4

What are the membrane-bound compartments in eukaryotic cells called?

Answer 4

Organelles

Question 5

What surrounds all cells and separates the inside from the surroundings?

Answer 5

Cell surface membrane

Question 6

What is the function of the cell surface membrane?

Answer 6

Controls the exchange of materials between the internal cell environment and the external environment

Question 7

How is the cell membrane described in terms of permeability?

Answer 7

Partially permeable

Question 8

What does partially permeable mean?

Answer 8

Allows the passage of some substances and not others

Question 9

What is the structure of the cell membrane primarily made of?

Answer 9

Phospholipid bilayer

Question 10

What is the approximate diameter of the cell membrane?

Answer 10

Around 10 nm