Topic 1 - Function of Cell Structures

Question 1

Cell Wall

Answer 1

A rigid exterior layer only found in plant cells. Made of cellulose
- support and structure.
- PLANT CELL only

Question 2

Cell Membrane

Answer 2

thin boundary around the cell that controls what goes in and out of the cell.
- very selective
- made of lipids and proteins
- BOTH

Question 3

Cytoplasm

Answer 3

Gel-like fluid in the cell. Where chemical reactions occur.
- BOTH

Question 4

Nucleus

Answer 4

Controls and directs cell activities.
- Contains DNA, that carries everything the cell does.

Question 5

Nucleolus

Answer 5

Found inside the nucleus that contains RNA which makes up ribosomes.
- BOTH

Question 6

Ribosomes

Answer 6

Where proteins are made in the cell
- can be found freely or attached to rough ER.
- BOTH

Question 7

Endoplasmic Reticulum

Answer 7

moves materials around the cell
Smooth - lacks ribosomes, transports lipids
Rough - ribosomes embedded in surface, transport proteins

Question 8

Mitochondria

Answer 8

Where energy is made in the cell
- BOTH

Question 9

Golgi-body

Answer 9

Site where materials are packaged for export from the cell
- move materials within the cell
- packages proteins
- BOTH

Question 10

Chloroplasts

Answer 10

contains chlorophyll that traps light energy into food for the cells functioning and survival
- autotroph
- ONLY PLANT

Question 11

vacuole

Answer 11

a membrane-bound organelle used for storage of water, and waste removal.
- full of water and waste

Question 12

Centrioles

Answer 12

They are involved in cell division & only found in animal cells. Tiny rod shape

Question 13

Flagella

Answer 13

long, single like extensions that help move the cell back and forward

Question 14

lysosomes

Answer 14

Contains digestive enzymes to get rid of waste in the cell -only in animal cells

• anything old goes to the lysosome

Question 15

cilia

Answer 15

Small hair-like structures used for movement