Bacteria

Question 1

What are the structures of a bacteria?

Answer 1

1. Ribosomes
2. Cytoplasm
3. Pili/fimbria
4. DNA/nucleoid region
5. Plasmid
6. Vacuole
7. Flagella
8. Cell membrane
9. Cell wall
10. Capsule

Question 2

What are the characteristics of a bacteria?

Answer 2

1. Prokaryote
2. No membrane bound organelles
3. Unicellular
4. Reproduce via binary fission
5. Heterotrophic
6. Can be treated with antibiotics

Question 3

How is a bacteria identified?

Answer 3

1. Gram staining
2. Cell culture
3. Stool sample

Question 4

How is bacteria transmitted?

Answer 4

1. Direct contact - STI’s
2. Indirect contact - salmonella
3. Droplet - pertussis
4. Airborne - tuberculosis

Question 5

What are some bacteria related diseases?

Answer 5

1. Meningitis
2. Pertussis
3. Pneumonia
4. Gastroenteritis
5. Cystitis
6. STI’s

Question 6

What is an endospore?

Answer 6

A dormant, tough, non-reproductive structure produced by a small number of bacteria. The primary function is to ensure the survival of a bacterium through periods of environmental stress

Question 7

What is gram staining?

Answer 7

Gram staining differentiates bacteria into 2 groups, positive and negative.