Unit 3 Vocab

Question 1

cell

Answer 1

Basic unit of life

Question 2

cell membrane

Answer 2

A cell structure that controls which substances can enter or leave the cell.

Question 3

cell theory

Answer 3

States that all living things are made of cells, that cells are the basic units of organisms, and that cells come only from existing cells

Question 4

cell wall

Answer 4

A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.

Question 5

chloroplast

Answer 5

An organelle found in plant and algae cells where photosynthesis occurs

Question 6

cytoplasm

Answer 6

A jellylike fluid inside the cell in which the organelles are suspended

Question 7

endoplasmic reticulum

Answer 7

A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Question 8

eukaryote

Answer 8

A cell that contains a nucleus and membrane bound organelles

Question 9

golgi apparatus

Answer 9

A system of membranes that modifies and packages proteins for export by the cell

Question 10

lysosome

Answer 10

An organelle containing digestive enzymes

Question 11

mitochondria

Answer 11

Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

Question 12

nucleus

Answer 12

A part of the cell containing DNA and RNA and responsible for growth and reproduction

Question 13

organelle

Answer 13

A tiny cell structure that carries out a specific function within the cell

Question 14

prokaryote

Answer 14

A unicellular organism that lacks a nucleus and membrane bound organelles

Question 15

ribosome

Answer 15

Makes proteins

Question 16

vacuole

Answer 16

Cell organelle that stores materials such as water, salts, proteins, and carbohydrates