Microbes

Question 1

Virus structure

Answer 1

Nucleic acid (RNA or DNA), protein code, envelope, spikes

Question 2

Different bacteria shapes

Answer 2

Coccus, spirillus, bacillus

Question 3

Bacteria structure

Answer 3

Plasma membrane, periplasmic space, peptidoglycan

Question 4

Aerobes and anaerobes

Answer 4

Aerobes – can survive in the presence of
oxygen
Anaerobes – can survive in the absence of
oxygen

Question 5

Obligate aerobes and obligate anaerobes

Answer 5

Obligate aerobes – require oxygen for survival
Obligate anaerobes – require oxygen-free
environment for survival (unless able to form
spores)

Question 6

Difference between endotoxins and exotoxins

Answer 6

Exotoxins are deliberately released. Endotoxins are an inherent part of the bacteria and are released when bacteria break down.

Question 7

Types of fungi and parasites

Answer 7

Yeasts (single celled) and molds (multicellular).

Protozoa (single celled) and helminths (multicellular).

Question 8

Streptokinase

Answer 8

Dissolution of clots through conversion of plasminogen to plasmin