Bacteria in the large intestine of man are important in the
-
A.
synthesis of vitamins K and B2 -
B.
digestion of vegetables -
C.
synthesis of vitamins A and D -
D.
absorption of water
Correct Answer: Option A
Explanation
Bacteria in the large intestine also make some important substances, such as vitamin K (see Vitamin K), which plays an important role in blood clotting.