Which of the following is an essential role played by large intestine bacteria? A. synthesize vitamin K and B-complex vitamins B. produce gas C. absorb bilirubin D. synthesize vitamins C and D

A. Synthesize Vitamin K and B-complex vitamins.

Explanation:

Intestinal bacteria are extremely important in the mainteinance of a healthy intestinal function and overall health as they carry an essential role in the synthesis of compounds such as vitamins K (K2) and B.

Vitamin K plays a crucial role in the production of blood clotting factors. According to research, this vitamin provides multiple health advantages such as the prevention of calcium accumulation, which is crucial in regard to heart health; while it also prevents osteoporosis.

Vitamin B-complex (eight different B vitamins), convert food into energy. Each type of vitamin has an essential role in human health. For instance, Vitamin B-3 maintains a healthy skin, digestion, and nerves; while Vitamin B-6 assists in the production of new red blood cells.