Chapter 3-Cells Flashcards Preview

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Flashcards in Chapter 3-Cells Deck (14)
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Living structural and functional units enclosed by a membrane.

Cella

1

The study of cellular structure and function

Cell biology or cytology

2

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

Plasma membrane

3

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

Cytoplasm

4

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

Cytosol

5

Located within the cytosol and have specific functions and characteristic shapes

Organelles

6

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

Nucleus

7

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

Chromosome

8

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

Lipid bilayer

9

Lipids that contain phosphorus

Phospholipids

10

Lipids with attached carbohydrate group

Glycolipids

11

Molecules that have both polar and nonpolar parts

Amphipathic

12

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

Integral proteins

13

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

Transmembrane proteins