Introduction to Microorganisms

Question 1

Microbiology organisms (5)

Answer 1

Bacteria, algae, fungi, protozoa, and viruses

Question 2

Prokaryotic- Bacteria cell components (9)

Answer 2

Capsule
Cell wall
Cell membrane
Ribosomes
Chromosome
Plasmid
Pili (Fimbriae)
Flagellum
Endospore

Question 3

Capsule function

Answer 3

Protect bacteria cell from ingestion and destruction

Question 4

Plasmid function

Answer 4

Extrachromosomal material

Question 5

Pili (fimbriae) function

Answer 5

Can be used to transfer genetic info between certain cells

Question 6

Endospore

Answer 6

Resistant to antibiotics allows survival in unfavorable environmental conditions

Question 7

Resident Microflora of the body- types of Infections caused by Bacteria (3)

Answer 7

COMMENSAL
OPPORTUNIST
PATHOGENS

Question 8

Superficial bacterial

Answer 8

Occur on the outer parts of the body e.g. skin and mucus membranes

Examples:
Impetigo

MRSA

Question 9

Systemic bacterial

Answer 9

Affect tissue and organs deep within the body e.g. lungs, blood

Examples:
Aspergillosis

Bacteremia

Question 10

Protozoa can be divided into groups according to their locomotion.

Answer 10

FLAGELLA
CILIA
PSEUDOPODIA

Question 11

Protozoan infections of humans (4)

Answer 11

Malaria
Toxoplasmosis
Giadiasis
Crytosporidiosis

Question 12

Virus replication

Answer 12

• Attachment to appropriate host cell
• Entry of virus and Uncoating capsid by host enzymes
• Replication by using host enzymes and organelles
• Assembly or ‘maturation’ of new complete virus particles
• Release of virus particles from the host cell.

Question 13

Viral infections

Answer 13

Ebola, SARS, Hepatitis

Question 14

Bacterial Shapes and arrangements (5)

Answer 14

Diplococci

Staphylococci

Streptococci

Rods (bacillus)

Spirochaete