Ultrastructure Of Eukarytic Cells

Question 1

What is the double membrane called that surrounds the nucleus also has pores?

Answer 1

Nucleus envelope

Question 2

What passes in and out the nucleus and nucleus envelope pores?

Answer 2

In- ribosomes
Out- RNA

Question 3

What are the fuild filled cavities called in RER ?

Answer 3

Cistermae

Question 4

What does the RER provide?
What does it assemble?

Answer 4

Large surface area for ribosomes.
Assembles amino acids into protein.

Question 5

What does the Golgi apparatus do?

Answer 5

It modifies proteins

Question 6

After proteins are modified what happens next?
What is the process called?

Answer 6

They are packed into vesicles to go to the plasma membrane.
Exocytosis

Question 7

What can the proteins be modified with? 2

Answer 7

Sugar- glycoproteins
Lipids- lipoprotein

Question 8

Describe mitochondria?
What is the inner part called?

Answer 8

Site for ATP production
Matrix

Question 9

What are the flattened stacks called in chloroplasts?
Filled with

Answer 9

Thylakoids
Chlorophyll

Question 10

What are stacks of thylakoids called in chloroplast?

Answer 10

Granum

Question 11

What are chloroplast the site of?
What happens when light energy is trapped?

Answer 11

Photosynthesis.
Trapped by chlorophyll and used to make ATP.

Question 12

What does the vacuole?

Answer 12

Keeps the rigidity of cell