3.1: Concepts of Cellular Structure

Question 1

Cytology

Answer 1

Scientific study of cells

Question 2

Cell Theory

Answer 2

1. All living organisms are made of one or more cells
2. Cells are the basic structural and functional living units of an organism
3. All activities of organisms stem from individual activities of cells themselves
4. All cells come from pre-existing cells, and all cells pass down hereditary info.

Question 3

Micrometer

Answer 3

Most useful measurment of cells
(mu m) (10^-6)

Question 4

Resolution

Answer 4

Ability to reveal detail. In microscopes more light equals more resolution

Question 5

Intracellular vs extracellular fluid

Answer 5

fluid contained within cells vs. fluid outside cells

Question 6

Cytoplasm vs. Plasma Membrane

Answer 6

Fluid contained between nuclueas and surface membrane. Protein/lipid membrane surrounding cell

Question 7

6 Major components of cells

Answer 7

1. Plasma Membrane
2. Cytoplasm
3. Cytoskeleton
4. Cytosol
5. Inclusions
6. Organelles

Question 8

Cytoplasm vs. cytosol

Answer 8

cytosol contained within cytoplasm (aqueous component)