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Fluorine is a chemical element with symbol F and atomic number 9. Classified as a halogen, Fluorine is a gas at room temperature.
symbols are abbreviations used in chemistry for chemical element
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photosynthesis and cellular respiration is performed by all organism
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Sensory memory is an ultra-short-term memory and decays or degrades very quickly, typically in the region of 200 – 500 milliseconds (1/5 – 1/2 second) after the perception of an item, and certainly <em>less than a second</em> (although echoic memory is now thought to last a little longer, up to perhaps three or four seconds).
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Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes. RNA and DNA are nucleic acids, and, along with lipids, proteins and carbohydrates, constitute the four major macromolecules essential for all known forms of life. Like DNA, RNA is assembled as a chain of nucleotides, but unlike DNA it is more often found in nature as a single strand folded onto itself, rather than a paired double strand. Cellular organisms use messenger RNA (mRNA) to convey genetic information (using the nitrogenous bases of guanine, uracil, adenine, and cytosine, denoted by the letters G, U, A, and C) that directs synthesis of specific proteins. Many viruses encode their genetic information using an RNA genome.
Causing humiliation or physical harm to their sexual partners is characteristics of SEXUAL SADISTS.
Sexual sadism disorder is the condition of experiencing sexual arousal in response to extreme pain, suffering or humiliation of others. Sadists acts include restraining with ropes, whipping, spanking, biting, etc.
