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Oxygen acts as the final electron acceptor in the electron transfer chain, resulting in the formation of H₂O. This is essential because without it, the electron transfer chain cannot function r...

exchange surfaces require a small diffusion distance enabling the fast exchange of compounds, good blood supply to maintain a concentration gradient. This allows for the most efficient diffusion

A covalent bond is a shared pair of electrons between 2 atoms.An example of a simple covalent molecule is CH₄ (methane)

The major difference between both of these processes is why they are used, DNA replication is used for cell division in the S phase of the cell cycle. mRNA transcription is used in protein synthesis and t...

A protein is made up of amino acid subunits, in which the primary structure is the sequence of the amino acids. Therefore a change in the primary structure will result in a different sequence of amino aci...