Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.
Mitosis is the process by which a eukaryotic cell divides into two cells and the number of...
This animation explains active and passive transport processes occurring through cell membranes
Chlorophyll is a photosensitive green pigment found in plants; it absorbs light energy, thus...
Bacteria occur in a wide range of shapes, including spheres, rods and spirals.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is...
An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.
Viruses consist of protein and DNA or RNA, they reprogram infected cells to produce more viruses.