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A high grade in GCSE Biology requires you jumping through a few hoops. For certain questions, specific facts are required in the answer and certain structures are required for the answers. There isn't ...
Enzymes which are specific to different tRNA types catalyse the bonding of amino acids to tRNA molecules, which requires ATP for energy.
There are 4 stages to translation: initiat...
Blood goes into the atria of the heart and the atria contract and force blood into the ventricles. The ventricles then contract and force the blood out of the heart.
There are valves in t...
Cold and low oxygen - minimises likelihood of organisms decaying
First, we need to explain how the action potential is conducted along the length of the axon.
An action potential is transferred along an axon by the movement of Na+...
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