Human Nutrition (Symbiotic bacteria in the digestive system) Flashcards
1
Q
What do bacteria in the colon feed on to produce some B and K vitamins?
A
Waste
2
Q
Bacteria feed on waste where to produce vitamins?
A
The colon
3
Q
What vitamins are produced by bacteria who feed on waste in the colon?
A
Some B group vitamins
Vitamin K
4
Q
How are the vitamins produced by bacteria removed from the colon?
A
They are absorbed by the blood
5
Q
Why are the bacteria who live in the colon said to be symbiotic?
A
As they obtain food from humans and provide vitamins in return
6
Q
What do the bacteria present throughout the digestive system break down?
A
Food especially cellulose
7
Q
What does the presence of beneficial bacteria prevent?
A
The growth of disease-causing bacteria and fungi
