<span>It is false that the intestinal microflora synthesize Vitamin D. Intestinal Microflora is a helpful bacteria that helps in the process of digestion. This also helps the body in protecting against infection and develops immune system and this synthesis of vitamins gives nutrition to body.</span>
Answer:
B. Molecules are moved against the concentration gradient.
Explanation:
Due to the higher concentration of the molecules of one of the sides than the other,in order to move molecules from the side with higher concentration of molecules to the side of lower concentration of molecules which is against the movement of molecules across the membrane, energy must be applied i.e atp.
Answer:
hydrogen bond
Explanation:
i think because humans have water in the body that has hydroden maybe