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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...
Ribosomes translate (read) messenger RNA to produce specific polypeptide chains (proteins). The Ribosome itself is made up rRNA which forms the structures which re...
DNA is wrapped around proteins called histones, to form nucleosomes. Each nucleosome is a histone octomer composed of (H2A, H2B, H3, and H4) subunits with a 1.65 helical turn of 147 nucleotide bases. N...
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