1.1 Organelle Functions

Question 1

Plasma membrane

Answer 1

Controls what enter and leaves the cell

Question 2

Ribosomes

Answer 2

Make proteins

Question 3

Cell wall (prokaryotes)

Answer 3

Is rigid and outside the plasma membrane

Question 4

Bacterial chromosome (prokaryotes)

Answer 4

A single circular DNA molecule in the nucleoid region

Question 5

Fimbriae (prokaryotes)

Answer 5

Filaments for adhesion

Question 6

Capsule (prokaryote)

Answer 6

Jelly-like layer outside the cell wall

Question 7

Nucleus

Answer 7

DNA within a membrane double structure

Question 8

Compartmentalisation

Answer 8

Organises the internal organelles

Question 9

Smooth ER

Answer 9

For lipid synthesis

Question 10

Rough ER

Answer 10

For some protein synthesis

Question 11

Golgi apparatus

Answer 11

For sorting and processing and sorting of proteins

Question 12

Lysosomes

Answer 12

For degrading and recycling

Question 13

Mitochondria

Answer 13

Produce energy

Question 14

Peroxisomes

Answer 14

Oxidative chemical reactions, producing hydrogen peroxide

Question 15

Microvilli

Answer 15

Increase surface area

Question 16

Flagella

Answer 16

For locomotion

Question 17

Sytoskeleton

Answer 17

A network of protein filaments for strength, structure and organisation

Question 18

Centrosomes

Answer 18

Microtubules connect to the centrosome

Question 19

Cell wall (plant cell)

Answer 19

Outside the plasma membrane, provides structure.

Question 20

Large central vacuole

Answer 20

For storage

Question 21

Chloroplasts

Answer 21

For photosynthesis