the most important molecules to the cells are:
carbohydrates – energy and structure. Made of carbon, hydrogen and oxygen. Monosaccharides is a complex word for simple sugars. Glucose and fructose are two of these. Polysaccharides are complex carbs aka starches, they are polymers. Condensation reaction happens to bind simple sugars into polysac. Sucrose is a Disaccharide, as lactose.
Glucose is a rapidly used energy source. Plants store energy in starch, while animals in glycogens.
surfaces of cells are marked with glycoproteins, to distinguish liver, hearth, nerve cells. polysaccharides are components if the sticky extracellular matrix surrounding cells.
lipids – membranes, signals, stored energy
proteins – ‘workers’ of the cells
nucleic acids – blueprint for life, passed to future generations.
Cells communicate with chemical signals.
Matter is made of elements. They are in the periodic table. Elements are substances made of only one type of atom.
DIFFERENT atoms together form molecules.