Unit 2: Extra info/questions

Question 1

Endosymbiosis - theory

Answer 1

a hypothesis that states that the mitochondria & chloroplast were originally prokaryotes & that a symbiotic relationship evolved

Question 2

T or F: Diffusion only occurs in living systems

Answer 2

False

Question 3

Sugar molecules enter cells through the process of:
a. exocytosis
b. facilitated diffusion
c. osmosis d. ion pumps

Answer 3

b. facilitated diffusion

Question 4

When the concentration on both sides of the membrane are the same, molecules will:
a. move to the outside
b. stop moving
c. move in & out
d. move inside

Answer 4

c. Move in and out of the membrane