Structure and Function of Plasma Membrane

Question 1

Phospholipid bilayer (heads and tails)

Answer 1

Allow the cell to be selectively permeable, meaning it only lets certain things in and out

The head is hydrophilic [polar] (water loving) and the tail is hydrophobic [no charge, nonpolar] (water fearing)

Question 2

Cytoskeleton

Answer 2

Organizes the contents of the cell, enables the cell to move and change shape

Question 3

Extracellular Matrix (ECM)

Answer 3

Influences a wide number of cellular processes including migration, wound healing and differentiation

Question 4

Cholesterol

Answer 4

Helps your body make cell membranes, many hormones, and vitamin D, helps digest

Question 5

Peripheral Protein

Answer 5

Support, communication, enzymes and molecular transfer in the cell (the uber)

Question 6

Integral Protein

Answer 6

Playing critical roles in movement of molecules across them and the transduction of energy and signals.

Question 7

Glycoprotein

Answer 7

Allow white blood cells to move around the body, initiate immune responses, and identify other cells

Question 8

Glycolipid

Answer 8

It maintains the stability of the cell membrane and facilitates cellular recognition

Question 9

Carbohydrate

Answer 9

Act as an energy source, help control blood glucose and insulin metabolism