2B Organelles

Question 1

Nucleus

Answer 1

Surrounded by double membrane. Role = confine genetic information (DNA). Nucleolus = site of ribosome production.

Question 2

Ribosomes

Answer 2

Role is to assemble building blocks to make protein. Made of folded protein

Question 3

Rough Endoplasmic Reticulum

Answer 3

Coated with ribosomes. Synthesises and modifies protein

Question 4

Smooth endoplasmic reticulum

Answer 4

Not coated with ribosomes. Produces lipids (fat) in a cell.

Question 5

Golgi Apparatus

Answer 5

Sorts and packages protein.

Question 6

Lysosome

Answer 6

Membrane-bound vesicle that disposes of cell waste and toxic. Contains digestive enzymes.

Question 7

Mitochondria

Answer 7

Site of aerobic cellular respiration. Contains own DNA and ribosomes. Produces ATP

Question 8

Chloroplast

Answer 8

Double membrane-bound organelle that is the site of photosynthesis Contains their own DNA and ribosomes.

Question 9

Vacuole

Answer 9

Water and solute storage. Plays a role in maintaining plant cell structure.

Question 10

Plasma Membrane

Answer 10

Selectively permeable barrier that controls what enters and exits the cell

Question 11

Cell wall

Answer 11

Strengthens and builds structure in a plant cell

Question 12

Cytoskeleton

Answer 12

Maintains shape and transports vesicles. Protein filament between nucleus and plasma membrane

Question 13

Vesicle

Answer 13

Transports substances like protein

Question 14

Cytosol

Answer 14

Jelly-like substance that covers all organelles expect the nucleus.

Question 15

Comparative statement

Answer 15

Animal cells lack a cell wall and a chloroplast, whereas, plant cells have a cell wall and a chloroplast.