Organelle function review

Question 1

Plasma Membrane

Answer 1

Insulation, protection, controls entry and exit of materials

Question 2

Cytosol

Answer 2

Distributes materials by diffusion

Question 3

Cytoskeleton

Answer 3

Strength/Support movement of cellular structures & materials

Question 4

Microvilli

Answer 4

More surface area to control absorption of extracellular materials

Question 5

Centrosome

Answer 5

Movement of chromosomes during cell division

Question 6

Cilia

Answer 6

Movement of materials over cell surface

Question 7

Ribosomes

Answer 7

Protein Synthesis

Question 8

Proteasomes

Answer 8

Breakdown of damaged or abnormal intracellular proteins

Question 9

Mitochondria

Answer 9

Produce 95% of the ATP required by the cell

Question 10

Endoplasmic reticulum (ER)

Answer 10

Synthesis of secretory products; intracellular storage and transport

Question 11

Rough ER

Answer 11

Modification & packaging of newly synthesized proteins

Question 12

Smooth ER

Answer 12

Lipid & Carbohydrate synthesis

Question 13

Golgi apparatus

Answer 13

Storage, changing, & packaging of secretory products & lysosome enzymes

Question 14

Lysosomes

Answer 14

Removal of damaged organelles or pathogens

Question 15

Peroxisome

Answer 15

Catabolism of fats & organic compounds ALSO neutralizing toxic compounds

Question 16

Nucleus

Answer 16

Control of metabolism + protein synthesis & stores genetic info

Question 17

Nucleolus

Answer 17

rRNA synthesis & assembles ribosomal subunits