Ch 4

Question 1

Membranous organelles

Answer 1

Lysosomes

Peroxisomes

Endoplasmic reticulum

Golgi complex

Question 2

Non-membranous organelles

Answer 2

Ribosomes

Centrosomes

Centrioles

Cytoskeleton

Question 3

Facilitated diffusion

Answer 3

Assistance from plasma membrane proteins

Two types:

Channel-mediated diffusion

Carrier- mediated diffusion

Question 4

Types of channels

Answer 4

Leak channels- open

Gates channels - closed

Question 5

Isotonic

Answer 5

Little water

Question 6

Hypotonic

Answer 6

Solution has lower concentration of solutes, higher concentration of water than cytosol

Question 7

Hypertonic

Answer 7

Solution with a higher concentration of solutes than cytosol

Question 8

Crenation

Answer 8

Cell shrinks

Question 9

Active transport

Answer 9

Moving from low to high

Question 10

Phagocytosis

Answer 10

Cellular eating

Active process

Question 11

Pinocytosis

Answer 11

Cellular drinking

Active process

Question 12

Receptor mediated endocytosis

Answer 12

Uses receptors on plasma membrane to bind molecules within interstitial fluid and bring molecules inside cell

Active process