What is a nutrient?
Q: What is a nutrient?
A: A nutrient is a compound or chemical element used in an organism's metabolism or physiology.
Q: When is a nutrient considered essential to an organism?
A: A nutrient is considered essential when it cannot be produced by the organism and must be obtained from a food source.
Q: Does this article discuss nutrition in bacteria and fungi?
A: No, this article only deals with nutrition in animals, especially humans.
Q: Can an organism survive without nutrients?
A: No, an organism cannot survive without nutrients as they are essential for its metabolism and physiology.
Q: Can an organism produce all the necessary nutrients it needs?
A: No, not all nutrients can be produced by an organism. Essential nutrients must be obtained from a food source.
Q: What is the difference between a chemical element and a compound?
A: A chemical element is a substance that cannot be broken down into simpler substances while a compound is made up of different elements chemically combined.
Q: Does nutrition play a role in an organism's metabolism?
A: Yes, nutrition plays an essential role in an organism's metabolism and physiology. Nutrients are necessary for the body to function properly.
