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ROLE OF MICROORGANISM
Decaying process
1. Many bacteria help decompose
(menguraikan) dead organism and animal
wastes into chemical compound such as
ammonia.
2. In sewage treatment plant ( loji rawatan
kumbahan),
– bacteria are use to break down the complex animal and
plant matter into simple compounds
ROLES MICROORGANISM IN DIGESTION
ONE OF THE MAIN COMPONENT
OF PLANT IS CELLULOSE
• Cellulose is hard to digest by the animal….
• How they digest the cellulose…?
• Cellulose can be digest by enzyme named
cellulase.
• How they can get cellulase?
FOOD DIGESTION
• Certain kinds of bacteria live in intestines of
human (usus manusia) and other
microorganism.
• Why they live in our intestines?
• They help in digestion and destroy harmful
microorganism.
Where we can find this bacteria
except in intestines ?
YOGURT YAKULT
AMMONIA
• Adds nitrogen into the soil (tanah)
• The nitrogen fixing bacteria in the soil change
the ammonia into nitrates.
• This nitrates will be used by plants
Ammonia Nitrates
nitrogen fixing bacteria
Why plants need nitrates?
• They need nitrates to make amino acids
• But…………………………….
• Pea and bean plants use bacteria Rhizobium
which directly convert nitrogen into acid
amino
Nitrates Amino acids
Rhizobium bacteria
• Live in plant roots
INDUSTRY
• Bacteria are used in the production of
• Milk
• Yogurt
• Cheese
• Vinegar
• Soy sauce
• Chocolate
• Certain vitamin B
• Citric acids
YEAST
Production of milk, yogurt n cheese
• Certain bacteria are
used in the production
of milk, yogurt and
cheese.
• This process called as
FERMENTATION
1 3usefulmicroorganism-110131110439-phpapp02 (1)
1 3usefulmicroorganism-110131110439-phpapp02 (1)

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1 3usefulmicroorganism-110131110439-phpapp02 (1)

  • 1.
  • 3. Decaying process 1. Many bacteria help decompose (menguraikan) dead organism and animal wastes into chemical compound such as ammonia. 2. In sewage treatment plant ( loji rawatan kumbahan), – bacteria are use to break down the complex animal and plant matter into simple compounds
  • 4.
  • 6. ONE OF THE MAIN COMPONENT OF PLANT IS CELLULOSE
  • 7. • Cellulose is hard to digest by the animal…. • How they digest the cellulose…? • Cellulose can be digest by enzyme named cellulase. • How they can get cellulase?
  • 8.
  • 9.
  • 10. FOOD DIGESTION • Certain kinds of bacteria live in intestines of human (usus manusia) and other microorganism. • Why they live in our intestines? • They help in digestion and destroy harmful microorganism.
  • 11. Where we can find this bacteria except in intestines ? YOGURT YAKULT
  • 12. AMMONIA • Adds nitrogen into the soil (tanah) • The nitrogen fixing bacteria in the soil change the ammonia into nitrates. • This nitrates will be used by plants Ammonia Nitrates nitrogen fixing bacteria
  • 13. Why plants need nitrates? • They need nitrates to make amino acids • But……………………………. • Pea and bean plants use bacteria Rhizobium which directly convert nitrogen into acid amino Nitrates Amino acids
  • 14. Rhizobium bacteria • Live in plant roots
  • 15. INDUSTRY • Bacteria are used in the production of • Milk • Yogurt • Cheese • Vinegar • Soy sauce • Chocolate • Certain vitamin B • Citric acids
  • 16. YEAST
  • 17. Production of milk, yogurt n cheese • Certain bacteria are used in the production of milk, yogurt and cheese. • This process called as FERMENTATION