Cells and Organelles

Question 1

What is the typical size of a cell?

Answer 1

25 micrometers

Question 2

How big can a nerve cell get?

Answer 2

Up to 10cm

Question 3

How large is the nuclear pore?

Answer 3

120 nanometres

Question 4

How large is a typical adenovirus?

Answer 4

90-100 nanometres

Question 5

Which have membrane bound organelles, eukaryotes or prokaryotes?

Answer 5

Eukaryotes

Question 6

How do organelles move through the cell?

Answer 6

Along the cytoskeleton using motor protein

Question 7

Name the three subunit cytoskeletal structures

Answer 7

Fibrous subunits, actin and tubulin subunits

Question 8

What are the three polymerised cytoskeletal structures?

Answer 8

Intermediate filaments, microfilaments and microtubules

Question 9

What does actin polymerise to?

Answer 9

Microfilaments

Question 10

What do many tubulin subunits form?

Answer 10

Microtubules

Question 11

What do many fibrous subunits form?

Answer 11

Intermediate filaments

Question 12

What are the subunits in microtubules?

Answer 12

Tubulin

Question 13

What are the subunits of intermediate filament?

Answer 13

Fibrous subunits

Question 14

What are the subunits of microfilaments?

Answer 14

Actin

Question 15

What do lysosomes do?

Answer 15

Quality control of the cell, so checking for misfolded proteins or sick organelles etc.

Question 16

What happens in the ER?

Answer 16

Lipids are synthesised, digests drugs and also packages protein for the Golgi

Question 17

Can the ER be connected to the nuclear membrane?

Answer 17

Yes