Plant cell wall components such as cellulose are abundant sources of carbohydrates that are widely used in biofuels and ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange ...

There might be a paradox in the biology of ageing. As humans grow older, their metabolisms tend to slow, they lose muscle ...

Diagram of generic plant and animal cells, showing major organelles including nucleus, nucleolus, rough endoplasmic reticulum, smooth endoplasmic reticulum, cell ...