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Transcription occurs in the nucleus of the cell.The enzyme DNA helicase catalyses the 'unzipping' or splitting of the two DNA chains in the region of the gene by catalysing the breaking of the hydrogen bo...
Tertiary polypeptide structure is overall 3 dimensional shape of protein which forms as a result of amino acid R group interactions such as ionic salt interactions and disulphide bridges. These interactio...
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...
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