Cell Definitions

Question 1

Diffusion

Answer 1

The movement of molecules from an area of high concentration to low concentration

Question 2

osmosis

Answer 2

the movement of water through a semi-permeable membrane

Question 3

cell membrane

Answer 3

• regulates what goes in and out of the cell

- holds the cell together

Question 4

vacuole

Answer 4

• the storage area of the cell

- it contains water and some other substances

Question 5

mitochondria

Answer 5

• the powerhouse of the cell

- makes energy in the form of ATP (Adenosi triphosphate)

Question 6

chloroplasts

Answer 6

• double membrane, found in plants

- contains chlorophyll for photosynthesis

Question 7

lysosome

Answer 7

• the “stomach” of the cell

- contains enzymes, helps to digest food and break down old cells

Question 8

endoplasmic reticulum

Answer 8

• elaborately folded network of tubules
• involved in transportation of substances
• contains ribosomes (beads)

Question 9

ribosomes

Answer 9

assemble proteins for growth and repair

Question 10

nucleus

Answer 10

brain of the cell

• controls all acitivities of the cell
• reproduction of the cell (heredity)

Question 11

chromosome

Answer 11

DNA

Question 12

golgi apparatus

Answer 12

packages substances for transport

- creates vesicles

Question 13

cytoplasm

Answer 13

fluid part of the cell