A monosaccharide is the building blocks of * (2 Points
Nucleic acids
Lipids
Carbohydrates
Protein

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

What causes darkening of the skin as melanin production increases

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur