Chapter 3 The Cellular Level of Organization

Answer 1

Plasma Membrane
Cytoplasm
Nucleus

Question 2

It is selectively permeable barrier, allowing the passage of some things and not others.

Answer 2

Plasma membrane

Question 3

The concentration of salt solutions in the blood and elsewhere.

Answer 3

Tonicity

Question 4

Materials move into a cell in a vesicle formed from the plasma membrane

Answer 4

Endocytosis

Question 5

Vesicles fuse with the plasma membrane, releasing their contents into the extracellular fluid.

Answer 5

Exocytosis

Question 6

Reactions provide the building blocks for cell maintenance, structure, function, and growth.

Answer 6

Cytosol

Question 7

The cell’s surface, moves fluids along a cell surface

Answer 7

Cilia

Question 8

Sperm cell

Answer 8

Flagella

Question 9

Help reduce worn out organelles

Answer 9

Ribosomes

Question 10

Powerhouse of the cell.
Energy in the cell
Generate ATP
Contain own DNA

Answer 10

Mitochondria

Question 11

External solution that has the same solute concentration and water concentration to body fluids. No net movement of water will take place.

Answer 11

Isotonic Solution

Question 12

External solution that has a high solute concentration and low water concentration to body fluids. Net movement of water will be out of the body and into the solution.

Answer 12

Hypertonic Solution

Question 13

Solution that has lower osmotic pressure than another solution.

Answer 13

Hypotonic Solution

Question 14

Making of elements to form into a whole

Answer 14

Synthesis