The best answer is D.
Man obtains most of his amino acids from diet, and mostly the essential amino acids. Of the basic set of 20 amino acids, man can only make 9, but these are considered non-essential anyway. They are made from non-protein raw materials such as pyruvate.
Amino acids themselves are the building blocks for proteins.
Protein is the raw material for muscle growth and repair.
Hormones are made from protein and cholesterol.
Hemoglobin molecule is made up of four protein chains with a heme group attached to each .
However in all these processes, enzymes which are protein in nature are employed but it is only creation of amino acids that does not need protein as a raw material.
I think it's CARBON DIOXIDE
I am not sure.
Correct answer is D and i i know that because i passed health
A, because if you know about hygiene, you can help prevent the flu. Ex: educating younger kids to always wash your hands after touching anything dirty, after using the restroom, and before eating.
The correct answer among the choices given is the last option. Hallucinogens are naturally-occurring or synthetically-produced drugs that can cause hallucinations. Common types of this drug are psychedelics, deliriants and dissociatives. LSD is one of the most powerful mood-changing chemical available. It causes hallucinations, sensations and images that may seem real but actually not.
