Ch. 3 Vocab Flashcards Preview

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Flashcards in Ch. 3 Vocab Deck (19):
1

Cell membrane

A phospholipid layer that covers a cells surface.

2

Organelle

one of the small bodies in a cells cytoplasm that are specialized to perform a certain function

3

Nucleus

A membrane bound organelle that contains the cells DNA and that has a role in processes such as growth, metabolism, and reproduction

4

Prokaryote

An organism that consists of a single cell that does not have a nucleus.

5

Eukaryote

An organism made up of cells that have a nucleus enclosed by a membrane

6

Cell wall

A rigid structure that surrounds the cell membrane and provides support to the cell

7

Ribosome

Cell organelle composed of RNA and protein

8

Endoplasmic reticulum

A system of membranes that is found in a cells cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids

9

Mitochondrion

In eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration

10

Golgi complex

Cell Organelle that helps make and package materials to be transported out of the cell

11

Cell

the smallest unit that can perform all life processes

12

Vesicle

A small cavity or sac that contains materials in an eukaryotic cell

13

Tissue

A group of similar cells that perform a common function

14

Lysosomes

A cell organelle that contains digestive enzymes

15

Organ

A collection of tissues that carry out a specialized function of the body

16

Organ system

A group of organs that work together to perform body functions

17

Organism

Anything that can carry out life processes independently

18

Structure

The arrangement of parts in an organism

19

Function

Normal, or proper activity of an organ or part