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Osmosis can be explained as the passing of water molecules across a partially permeable membrane from an area of high concentration of water molecules to an area of low concentration of water molecules.If...

Eukaryotic cells are what make up you (and also plants), whereas prokaryotic cells make up bacteria. If you think about the fact that bacteria are way smaller than plants and animals, you can remem...

Due to natural variation due to mutations in their DNA, some giraffes in the population had longer necks. These longer necks enabled them to reach leaves higher up on the trees, which secured them a good ...

Bile is made in the liver and stored in the gall bladder. Bile emulsifies fatty acids and lipids, breaking large chains into smaller droplets. This increases the surface area for enzymes (lipase) to act o...

The movement of molecules against their concentration gradient (low concentration to high concentration), across a membrane using energy.