The various enzymes in our body are . carbohydrates

lipids

nucleic acids

proteins

Awic dietitian is meeting with a client who has an infant and a young child. the mother says that the young child is a very picky eater and will only eat crackers and juice. the health worker notices that the child's hair is brittle, his nails tear easily, and the skin inside his lower eyelids is very pale. these are all signs of iron deficiency.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours