What is the function of the mitochondria?

Mitochondria are organelles which are present in all cells. They are the sites for cellular respiration which provides an organism with energy.

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Amylase is the enzyme that controls the breakdown of starch to glucose. Describe how the student could investigate the effect of pH on the breakdown of starch by amylase.


Which food chain has the highest proportion of energy transfer. Grass -> cow -> human. Grass -> grasshopper -> rat -> snake. Rice -> human


What is a key difference between plants and animals?


State one difference between an animal cell and plant cell