Microorganisms in Industry and in the Human Body (Leaving Cert Biology): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
What is a microbiome?
What is a microbiome?
All microorganisms in a particular environment
Which nutrients do microorganisms increase in soil?
Which nutrients do microorganisms increase in soil?
Nitrates and phosphates
Give 5 examples of bacterial diseases
Give 5 examples of bacterial diseases
Pneumonia, TB, sore throats, typhoid, cholera
Give 2 examples of fungal diseases
Give 2 examples of fungal diseases
Ringworm and thrush
What are probiotics?
What are probiotics?
Helpful microorganisms included in diet to improve health
Give 5 examples of fermented products
Give 5 examples of fermented products
Yoghurt, cheese, vinegar, silage, alcohol
How many cells in human microbiome?
How many cells in human microbiome?
or 100 trillion cells
Where does a baby get its first microbiome?
Where does a baby get its first microbiome?
Mother's birth canal and breast milk
Which vitamins are produced by gut bacteria?
Which vitamins are produced by gut bacteria?
B1, B9, B12, and K
What % of immune system is in intestines?
What % of immune system is in intestines?
70%
Describe the lag phase of growth
Describe the lag phase of growth
Microorganisms adapt to environment, number constant
Describe the log phase of growth
Describe the log phase of growth
Number increases rapidly, doubles each generation
Describe the stationary phase of growth
Describe the stationary phase of growth
No change in number, production equals death rate
What are endospores?
What are endospores?
Dormant microorganisms with thick walls surviving adversity
What are industrial containers for growing microorganisms called?
What are industrial containers for growing microorganisms called?
Bioreactors