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Uneven distribution of the hormone auxin in a root tip whereby the plant hormone diffuses in the opposite direction from a source of light. This will trigger the differential growth and elongation of the ...
Site of protein synthesis. RNA is transcribed in the nucleus and travels to the ribosomes on the endoplasmic reticulum (which are located in the cell cytoplasm) for translation/protein synthesis.
Immunisation introduces a specific antigen into the body. This is recognised as foreign and stimulates B lymphocytes to produce plasma cells and memory cells. Plasma cells go on to secrete specific antib...
The two types of nucleic bases are purines and pyrimidines. The purines are adenine and guanine, and the pyrimidines are cytosine and thymine. Purines always bond with pyrimidines and in DNA, adenine and ...
thicker waxy cuticles rolled up leaves stomata in pits
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