Cell Organelles Structure

Question 1

State the structure of a nucleus.

Answer 1

Surrounded by a double membrane with pores in it and contains nucleolus and DNA (chromosomes).

Question 2

Structure of rough endoplasmic reticulum.

Answer 2

Tubular system, membrane bound sacs enclosing fluid filled space.
Surface covered in ribosomes.

Question 3

Structure of mitochondria

Answer 3

.Double membrane, inner membrane is folded- cristi
.Matrix- fluid filled space
.Circular DNA
.70S ribosomes

Question 4

What is the structure of Golgi apparatus

Answer 4

Membrane bound flattened sacs.
Vesicle bud off from the sacs.

Question 5

Lysosome structure

Answer 5

Round organelle, a Golgi vesicle.

Question 6

Vesicle structure

Answer 6

Fluid filled sac containing large molecules.

Question 7

Centrioles structure

Answer 7

Composed of nine tubes, each with three tubules.

Question 8

Chloroplasts structure

Answer 8

-Double membrane
Thylakoids- stacked membranes- granum
- Linked via intergranal lamellae