Biomolecules group together to create cells: the smallest structures that can be considered living things. Cells are the functional and structural units of all living things. All living things, including human beings, are made of cells. This is why cells are structural units. At the same time, cells are the smallest structures capable of performing the three […]
2. BIOELEMENTS AND BIOMOLECULES
Living things, like all matter in the universe, are made up of very small particles called atoms. These particles are so small you would not be able to see them, even if you used a microscope. Atoms are the first structural level of matter and they organise themselves into molecules. We know 117 different types of […]