Kingdom Monera; Glycocalyx

Question 0

Which of the following are characteristics of biofilms?

Answer 0

A group of bacterial cells held together by a slimy glycocalyx.
A group of bacterial cells which communicate with each other.
A group of bacterial cells which take on different roles for the survival of the biofilm.

Question 1

Glycocalyx is made from

Answer 1

Carbohydrate

Question 2

T or F: The ability to attach to a surface is important for many prokaryotes. One of the structures used for attachment is the glycocalyx.

Answer 2

True

Question 3

Glycocalyx comes in two forms. If it is a rigid structure & tightly attached to the cell, it is called a

Answer 3

capsule

Question 4

The functions of a Glycocalyx include the following

Answer 4

Can be used as a food source.
Acts as a sunscreen to prevent chromosomal damage.
Attaches the bacterium to a surface.
Attaches the bacterium to other bacteria.

Question 5

T or F: Glycocalyx can act as a virulence factor. For example, a slimy glycocalyx helps adhere pathogens to the surface of implanted artificial devices such as catheters.

Answer 5

True

Question 6

A capsule is a virulence factor because it

Answer 6

Interferes with phagocytosis.

Interferes with white blood cells engulfing & killing the bacteria.