Chapter 3-Cells

Question 0

The study of cellular structure and function

Answer 0

Cell biology or cytology

Question 1

Living structural and functional units enclosed by a membrane.

Answer 1

Cella

Question 2

Forms the cell’s outer surface, separating the cell’s internal and external environments

Answer 2

Plasma membrane

Question 3

Consists of all cellular contents between the plasma membrane and the nucleus

Answer 3

Cytoplasm

Question 4

The fluid portion of the cytoplasm, contains water, dissolved solutes, and suspended particles

Answer 4

Cytosol

Question 5

Located within the cytosol and have specific functions and characteristic shapes

Answer 5

Organelles

Question 6

A large organelle that houses most of a cell’s DNA

Answer 6

Nucleus

Question 7

A single molecule of DNA associated with several proteins, contains thousands of hereditary units called genes that control most aspects of cellular structure

Answer 7

Chromosome

Question 8

Two back-to-back layers made up of three types of lipid molecules–phospholipids, cholesterol, and glycolipids

Answer 8

Lipid bilayer

Question 9

Lipids that contain phosphorus

Answer 9

Phospholipids

Question 10

Lipids with attached carbohydrate group

Answer 10

Glycolipids

Question 11

Molecules that have both polar and nonpolar parts

Answer 11

Amphipathic

Question 12

Proteins that extend into or through the lipid bilayer among the fatty acid tails and are firmly embedded in it

Answer 12

Integral proteins

Question 13

Type of integral protein that spans the entire lipid bilayer and protrude into both the cytosol and extra cellular fluid

Answer 13

Transmembrane proteins