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Taken from AQA specification learning outcome 4.1.1.2Students should be able to explain how the main sub-cellular structures, including the nucleus, cell membranes, mitochondria, chloroplasts in plant cel...

No prokaryote cells like bacteria contain their genetic material in a nucleiod in the cytoplasm.

Competitive inhibition is when a molecule binds to an active site of an enzyme and thus prevents the substrate binding. It is usually reversible but can sometimes be irreversible.Non-competitive inhibitio...

A large surface area for gaseous exchangea waxy cuticle prevents water lossthe spongy mesophyll layer has air spaces which allow for efficient gasious exchange Stomata allow gases to enter and exit the le...

The respiration surface in humans is the alveoli. It is adapted to its function as a gas exchange surface because it has a high surface area to volume ratio, this allows maximum surface area for gas excha...