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Firstly, when answering an IB essay question, remember that you are noted through key words or concepts. I will put these in italics and then explain them. DNA is composed of nucleotides...

Imagine DNA Ligase to be like glue. It brings all the molecules of the newly formed DNA or RNA strands together and permanently binds them with a phosphodiester bond, so that they dont just fall apart. It...

• Blood-glucose levels are maintained within narrow limits so that there are sufficient amounts of glucose in the blood (for respiring cells) but also not too high levels that will disturb the osmotic...

In short, translation is the synthesis of proteins by ribosomes in the cell. It follows after the process of transcription in which a molecule of mRNA is copied from DNA to produce a specific base sequenc...

Recall that the primary hormone involved in water retention is anti- DIURETIC- hormone (ADH). If your rember that diuretic means increased loosing water through urination then you will know that the funct...