What are macromolecules? Give an example.

“The molecules consisting of thousands of atoms are called macromolecules. Their molecular masses range from thousands to millions.”

Examples: Haemoglobin is a macromolecule found in blood. It carries oxygen from our lungs to all body parts. Each molecule of haemoglobin consists of nearly 10,000 atoms, and is 68,000 times heavier than a hydrogen atom.

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