Final Exam Material

Question 1

Note CARD: Okay, so we are starting with LECTURE 15 here::

.

Question 2

(slide 2)

Which of the following is NOT true about TRANSPORT PROTEINS?

a) Transport of ions and small molecules is important for
homeostasis and function of the cell.

b) Multipass transmembrane proteins were inserted into
membrane back in the golgi and sorted by the constitutive
secretory pathway.

c) These proteins act as either transporters or channels.

d) Create hydrophilic microenvironments.

e) They provide a continuous pathway across the plasma
membrane to allow solutes to cross the lipid bilayer
without coming into contact with the hydrophobic
environment.

Answer 2

b) was false!

Correction:
b) Multipass transmembrane proteins were inserted into
membrane back in the ER and sorted by the constitutive
secretory pathway.

Question 3

(slide 3)
What kind of energy do electrochemical gradients store?

Answer 3

potential energy.

Question 4

(slide 5)

What are the 3 mechanisms of transport?

Answer 4

1: Simple diffusion

2: Passive transport

3: active transport
* Two subcategories: primary and secondary active transport.