Chapter 1: Cellular Biology

Question 1

What are the 8 functions of cells (1-4)

Answer 1

Movement
Conductivity
Metabolic absorption
Secretion

Question 2

What are the 8 chief cell functions (5-8)

Answer 2

Excretion
Respiration (mitochondria)
Reproduction
Communication (insulin )

Question 3

Cell communication: maintains homeostasis in what 3 ways ?

Answer 3

Question 4

Cellular I&O: Two methods:

Answer 4

PASSIVE transport
ACTIVE transport

Question 5

Passive transport facts:

Answer 5

Question 6

Active transport facts:

Answer 6

Question 7

What is passive transport ?

Answer 7

DIFFUSION from area of high to low concentration
(Hydrostatic pressure and osmosis)

Question 8

What is hydrostatic pressure?

Answer 8

Question 9

What is osmosis?

Answer 9

Question 10

What is Tonicity and what are the 3 types ?

Answer 10

Question 11

Body fluid solutes (2 kinds)

Answer 11

Question 12

Two phases of cell cycle:

Answer 12

Phase 1: mitosis (nuclear division)
Phase 2: cytokinesis (cytoplasmic division)

Question 13

What are the 4 tissue types ?

Answer 13

Question 14

Stem cell facts:

Answer 14

Can divide w no limit
Each daughter has a Choice: remain a stem cell or terminally differentiate; stem cells can develop into many kinds of cells

Question 15

What are the 3 types of muscle tissue?

Answer 15

Skeletal
Smooth
Cardiac

Question 16

What are the 3 parts of neural tissue ?

Answer 16

1) cell body
2) axon- conducts away from cell body
3) dendrite - conducts towards cell body