Final answer:
Glucose and amino acids are the key molecular building blocks for complex organic molecules in humans.
Explanation:
Glucose and amino acids are the molecular building blocks that directly form some of the complex organic molecules present in humans. Glucose is a monosaccharide that serves as a key energy source, while amino acids are the building blocks of proteins essential for various biological functions in the body.
Learn more about Biochemistry here:
https://brainly.com/question/37735314
