Lesson 6 - Harmful and Helpful Bacteria

Question 1

What are Helpful Bacteria?

Answer 1

• Bacteria live on and in our bodies and keep us alive!
• Probiotic
• It helps the digestive system
• Food Production
• Yeast, yogurt, beer/wine, etc.
• Different types of bacteria cause different tastes!

Question 2

What is Bioremediation?

Answer 2

• The use of biological agents, such as bacteria (or plants), to remove or neutralize contaminants, as in polluted soil or water.

Question 3

What is Gene Therapy?

Answer 3

• Manipulated bacteria using biotechnology can successfully target cancer tumours, delivering anti-cancer treatment.

Question 4

What are Harful Bacteria?

Answer 4

• Some types of bacteria are responsible for sicknesses such as pneumonia and food poisoning (botulism).

Question 5

What is Syphilis

Answer 5

• Sexually transmitted disease caused by bacteria
• The route of transmission is almost only through sexual contact (babies can be born with it if the mom has it)
• Can be treated with antibiotics
• If left untreated, it can damage the heart, brain, bone and eyes, and cause sterility

Question 6

What is Leprosy?

Answer 6

• Mainly affects the skin and nerves
• If untreated, there can be progressive and permanent damage to the skin, nerves, limbs and eye

Question 7

Development of Antibiotics

Answer 7

• Discovered by Alexander Flemming
• A mould called penicillin is an antibiotic (medicine) we take to kill bad bacteria.
• Inhibits the growth of bacteria (prevents function of the cell wall)

Question…?
If we have medicine to help fight off these bacteria, then why do we still suffer from diseases or sickness?
ANTIBIOTIC RESISTANCE!!!