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Every organism has a tropic relationship in a food chain. Producers are at the bottom of the food chain and they are autotrophs, meaning they get their nutrition through sunlight via photosynthesis, for e...

Protein is transcribed from messenger RNA (mRNA) by ribosomes on the rough endoplasmic reticulum or ribosomes in the cytoplasm. This detects the start codon and moves along the mRNA 'reading' the bases on...

These are the two branches of the autonomic nervous system, which we have no conscious control of. The sympathetic system is responsible for 'fight and flight' responses, preparing the body for exercise o...

The myelin on peripheral neurones come in the form of schwann cells. These schwann cells are essentially coils of fat that sit around the neurone and insulate it, this has two fundamental purposes.
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Prokaryotic cells are smaller and more simple than eukaryotic cells. They do not contain membrane bound organelles such as mitochondria, endoplasmic reticulum and golgi apparatus. They also do not have a ...