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Meiosis to produce gametes is a process that requires two cell divisions. Before the first division, the cell's Chromosomes are replicated as they do in mitosis to create sister chromatids for each chromo...

Tissues are defined as being a collection of different types of cell.Similarly, organs are defined are being a collection of tissues, wh...

The mutation present in sickle cell anaemia causes a change in the primary structure of amino acids in the haemoglobin molecule. This change in primary structure changes the tertiary structure of a haemog...

Translation occurs at the ribosomes (which may be attached to endoplasmic reticulum). The ribosomes themselves are made of rRNA.mRNA carries the code for the polypeptide as it is complimentary to a strand...

Student answer will be structured as a paragraph, or bullet point sentences, including at least five (but not restricted to) of the following points: hydrogens from reduced hydrogen carriers (FADH/NADH); ...