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The diagram shows a transverse section through the stem of a monocotyledonous (monocot) plant.
(2012)
In genetics, what is meant by the term variation?
Answer the following in relation to enzymes.
Nucleic acids are composed of subunits called nucleotides. Each nucleotide is formed from a sugar, a phosphate group and a nitrogenous base
Distinguish between a food chain and a food web.
