Unit 1

Question 1

Nucleus Function

Answer 1

Control centre of the cell

Question 2

Nucleus

Answer 2

The core of the cell that is surrounded by a double membrane and contains DNA.

Question 3

Ribosomes

Answer 3

Ribosomes are RNA and proteins. They are created in the nucleus.

Question 4

Ribosomes function

Answer 4

Help manufacture other proteins.

Question 5

Are ribosomes bound to a membrane?

Answer 5

No

Question 6

Endoplasmic reticulum

Answer 6

Membrane system of folded sacs and interconnected channels. This organelle has a large surface are.

Question 7

Rough Er

Answer 7

Endoplasmic reticulum containing ribosomes. Produces protein

Question 8

Smooth ER

Answer 8

Endoplasmic reticulum without ribosomes. Makes carbohydrates

Question 9

Golgi apparatus

Answer 9

A flatened stack of membranes.

Question 10

Golgi apparatus function

Answer 10

Change, sort and package proteins into sacs called vesicles

Question 11

Vacuoles

Answer 11

Membrane bound vesicles for temporary storage

Question 12

Vacuoles function

Answer 12

Store food, enzymes, other materials and some times waste products.

Question 13

Lysosomes

Answer 13

Vesicles that digest excess or worn out organelles, food and bacteria or viruses that have entered the cell.

Question 14

More on Lysosomes

Answer 14

Lysosome have membranes that prevent the enzymes in them from destroy into them. Can fuse with vacuoles and dispose their enzymes into the vacuoles which digests the waste inside.