Course

Introductory Biology

Study Pack

Set 20 The Diversity Of Prokaryotes And Viruses

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Question 1

(Multiple Choice)

Free
Bacterial cell walls contain , which makes them different from other organisms.

A) starch
B) peptidoglycan
C) chitin
D) cellulose
E) pectin

Answer

Question 2

(Multiple Choice)

Free
What differentiates gram- positive bacteria from gram- negative bacteria?

A) The use of oxygen
B) The way the cell wall stains
C) Nutrient requirements
D) The means of locomotion
E) The appearance of colonies

Answer

Question 3

(Multiple Choice)

Free
What do the sticky layers of protective slime produced by some bacteria enable them to do?

A) Stick together and form biofilms
B) Move from one location to another
C) Survive extreme conditions for long periods of time
D) Sexually reproduce
E) Acquire resistance to antibiotics

Answer