Prokaryotes 1

Question 1

Four general Prokaryotic cell characteristics

Answer 1

1. No membrane bound organelles
2. No membrane bound nucleus
3. Smaller than Eukaryotic cells
4. Consist of Bacteria and Archaea

Question 2

What are the three basic shapes of Bacteria

Answer 2

Bacillus
Coccus
Spiral

Question 3

How would you describe the shape of a bacilli?

Answer 3

Rod

Question 4

2 bacteria that remain joined together at the polls after division

Answer 4

Diplobacilli

Question 5

Chains of bacteria that remain joined together at the polls after division

Answer 5

Streptobacilli

Question 6

Oval shaped bacteria that are typically found as single bacilli

Answer 6

coccobacilli

Question 7

What is the size range of Bacterial cells?

Answer 7

Diameter: 0.2 - 2 micrometers
Length: 2 -8 micrometers

Question 8

What are 4 structures outside of the cell wall of a prokaryotic cell?

Answer 8

1. Flagella
2. Pili or Fimbriae
3. Axial Filaments
4. Glycocalyx

Question 9

What is Glycocalyx?

Answer 9

A sticky covering of polysaccharides and protein

Question 10

Which type of Glycocalyx is thick and tightly bound?

Answer 10

Capsule

Question 11

Which Glycocalyx is thin and loosely bound?

Answer 11

Slime layer

Question 12

What are the four functions of Glycocalyx?

Answer 12

Protects pathogens from macrophages
Protects cells from the environment
Provides nutrients
Allows adherence to surfaces