Exam 2

Question 1

Why is the Surface Area to Volume ratio in determining the cell’s size?

Question 2

What is the Cell theory?

Question 3

What structures in a prokaryotic cell are common in a eukaryotic cell?

Question 4

In bacteria, what are the functions of ribosomes/polyribosomes?

Question 5

In bacteria, what are the functions of the nucleoid?

Question 6

In bacteria, what are the functions of Chromatophores?

Question 7

In bacteria, what are the functions of Vacuoles?

Question 8

In bacteria, what are the functions of endospores?

Question 9

In bacteria, what are the functions of pili?

Question 10

In bacteria, what are the functions of the cell wall?

Question 11

In bacteria, what are the functions of the plasma membrane?

Question 12

In bacteria, what are the functions of the flagellum?

Question 13

What is the importance of the cytoskeleton?

Question 14

What are the three components of the cytoskeleton? What are their functions?

Question 15

What is the importance of extracellular structures? Vitamin C?

Question 16

What is the endosymbiosis theory and how does it apply to eukaryotic evolution?

Question 17

What are the functions of the plasma membrane?

Question 18

What is the Fluid Mosaic Model? How does it explain the barrier action of a membrane?

Question 19

How does a cell control how fluid the membrane is? How does Temperature/saturated fats/unsaturated fats/cholesterol affect membrane fluidity?

Question 20

Describe a channel protein and what kind of amino acids would make up the different domains.

Question 21

How do molecules get across a membrane? What are the three types of transport? Which require energy?

Question 22

What molecules will be able to move across the membrane without help?

Question 23

What is facilitated diffusion?

Question 24

What is Active transport?

Question 25

What factors influence the movement of molecules across the membrane?