QUESTIONS

Question 1

Sort the components into the correct solubility.

Question 2

Which part of a phospholipid would be facing the cytoplasm and extracellular fluids?

Question 3

Based on the meaning of the word ‘peripheral,’ where would a peripheral protein be located?

Question 4

Which type of transport of the following will use energy (ATP) to move molecules from a low concentration to a high concentration?

Question 5

Structure of the Membrane

Label the image of transmembrane proteins.

Question 6

Label the types of plasma membrane proteins.

Question 7

Which letter identifies the hydrophobic region of a transmembrane protein?

Question 8

Which protein would bind a signal molecule such as the chemical messenger epinephrine?

Question 9

Cellular membranes are permeable to ___________, but impermeable to __________.

Question 10

Hypothesize what would happen if the phospholipid heads in the cell membranes suddenly became nonpolar.

The phospholipids would flip upside down.
It would become impermeable to all solutes.
The lipids would not be able to hold its shape in water and the cell membrane would disassemble.
Only a lipid monolayer would be possible.
The fatty acid “tails” would fall off.

Question 11

Which of the following structures allows the cell membrane to be selectively permeable? Select all that apply.

Question 12

Which of the following contributes to the fluid mosaic model?

ANSWERS

Sort the components into the correct solubility.

To access all answers, use the purchase button below.

(Answered) BIOS251 – Unit 3 – Cellular Membrane Structure and Function Edapt