Question

The four basic building blocks of life are

• A. amino acids, fatty acids, sugars and nucleotides
• B. amino acids, lipids, sugars and nucleotides
• C. amino acids, fatty acids, lactose and nucleotides
• D. proteins, fatty acids, sugars and nucleotides

Answer 1

The correct option is A amino acids, fatty acids, sugars and nucleotides

Amino acids, fatty acids, sugars and nucleotides are the four building blocks of life.
Amino acids join together to form proteins.
Fatty acids together form the simple and complex lipids.
Sugars are the monomeric units of complex carbohydrates.
Nucleotides form the genetic material - DNA and RNA.
These four together form the chemical basis of life.

Lactose is a disaccharide formed by the condensation of two monosaccharide units, glucose and galactose.