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Arteries and veins both carry blood around the body, and they each have three main layers of tissue (a ring of endothelial tissue at the centre of the blood vessel surrounded by a layer of muscle and e...
Carbohydrates
- 17 kJ of energy per gram
- Disaccharides = highly soluble. Polysaccharides = insoluble
- Less metabolic water produced
- S...
Active immunity is happens due to the contact of lymphocytes with pathoges (or simply their antigens), which triggers the specific immune response and immunological memory is p...
To answer this question, it is first important to understand the meaning of the word degenerate.
So being an A level Biology student, you must know that genes code...
DNA is the medium which encodes the information that makes an organism what it is. DNA usually forms a double stranded structure and encodes genes and other regulatory elements. RNA can a...
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