Module 2 Chapter 1 Lesson 2 - Cell Structure

Question 1

What is the size of a prokaryotic cell?

Answer 1

1-2 micrometers in diameter.

Question 2

What is the size of a eukaryotic cell?

Answer 2

10-100 micrometers in diameter.

Question 3

Does a prokaryotic cell have a nucleus?

Answer 3

No

Question 4

Does a eukaryotic cell have a nucleus?

Answer 4

Yes

Question 5

How is the DNA arranged in a prokaryotic cell?

Answer 5

Circular loop of DNA.

Question 6

How is the DNA arranged in a eukaryotic cell?

Answer 6

Double helix with linear chromosomes

Question 7

Does a prokaryotic cell have membrane bound organelles?

Answer 7

No

Question 8

Does a eukaryotic cell have membrane bound organelles?

Answer 8

Yes

Question 9

What is the size of ribosomes in a prokaryotic cell?

Answer 9

70 S

Question 10

What is the size of ribosomes in a eukaryotic cell?

Answer 10

80 S

Question 11

Does a prokaryotic cell have a slime capsule?

Answer 11

Yes

Question 12

Does a eukaryotic cell have a slime capsule?

Answer 12

No

Question 13

Does a prokaryotic cell have pili?

Answer 13

Yes

Question 14

Does a eukaryotic cell have pili?

Answer 14

No

Question 15

What is the structure of the SER?

Answer 15

Cisternae (folded membranes)

Question 16

What is the function of the SER?

Answer 16

Detoxifies substances
Synthesises lipids

Question 17

What is the structure of the RER?

Answer 17

Studded with ribosomes on cisternae.

Question 18

What is the function of the RER?

Answer 18

Protein synthesis ad transport of proteins.

Question 19

What is the structure of the nucleus?

Answer 19

Nuclear envelope
Nuclear pores
Nucleoplasm
Chromosomes
Nucleolus

Question 20

What is the function of the nucleus?

Answer 20

Site of DNA replication and transcription.
Contains the genetic code for each cell.

Question 21

What is the structure of the Golgi apparatus?

Answer 21

Cisternae (folded membranes).
Secretary vesicles pinch off from cisternae.

Question 22

What is the function of the Golgi apparatus?

Answer 22

Produce secretary enzymes.
Form lysosomes.
Secrete carbohydrates.
Add carbohydrates to proteins to form glycoproteins.

Question 23

What is the structure of lysosomes?

Answer 23

Sacs of digestive enzymes

Question 24

What is the function of lysosomes?

Answer 24

Hydrolyse phagocytic cells.
Digest wore out organelles for reuse of materials.