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A low temperatures enzyme activity will be slow but as the temperature rises the enzyme will gain more kinetic energy and hence move around more enabling greater interaction with the substrate. This will ...

A mnemonic can be used for such questions which ask for 4/5 points. With intensive rearing for example: My Whale Does Yoga Sometimes. M - movement, W - warmth, D - diet, Y - young, S - selective breeding....

Looking at a diagram of muscle cells you can identify: Z lines, H zone, I band, and A band. The Z lines move closer together, H zone becomes more narrow, as does the I band, and the A band remains the sam...

The Krebs cycle produces ATP by substrate level phosphorylation. The cycle is completed twice per glucose molecule. It also produces NADH which goes on to donate an electron to the electron transport chai...

• The alpha and beta cells monitor the concentration of glucose in the blood • The normal blood glucose concentration is 90mg of glucoses in every 100cm³ of blood • If the concentration rises or falls awa...