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Life is Elemental
Biology concepts – elements, biomolecules, biochemistry, trace elements, selenocysteine, stop codonThe blue whale is the often 30 m (100 ft) long and can reach a mass of more than 175 tons (160,000...
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So Many From So Few
Biology concepts – protein, amino acids, non-standard amino acids, peptide bondSevere dietary protein deficiency leads to distinct symptoms, and if not resolved, death. Called kwashiorkor(Ghanan word...
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Three Lefts Make A Right
Biology concepts - chirality, homochiral, enantiomer, stereoisomer, racemic mixture, biofilm, antimicrobial peptide, protein, amino acidGeordi was the chief engineer on Start Trek; The Next Generation,...
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Sugars Speak In Code
Biology concepts – carbohydrates, monosaccharides, hexose, glycocode, starch, glycogen, carbohydrate linkage, bacterial persisters, fructolysisRefined sugar is produced from two main sources, sugar...
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It’s Not Just Our Tooth That’s Sweet
Biology concepts – homochirality, carbohydrates, chiral discrimination, glycoside, H antigenIt isn’t just biomolecules that show chirality. There is also chiromorphology, like snail shells that usually...
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RNA Takes First Place
Biology concepts – nucleic acids, DNA, RNA, central dogma of molecular biology, ribozyme, RNA world hypothesis The Library of Congress in Washington DC was designed as a showplace as well as a...
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DNA is As Easy As A, B, Z
Biology concepts – forms of DNA, history of DNA structure, triplex DNA, tetraplex DNA, protooncogene From left to right we have the main players in our little discussion of how science can be done...
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The Language Of Our DNA
Biology concepts – nitrogenous base, nucleoside, nucleotide, DNA, RNA, second messengers, G protein coupled receptors, cAMP, cGTP, cyclic dinucleotidesGrammar isn’t easy. Small changes can lead to...
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Post of the Living Dead
Biology concepts – ethnobotany, pathophysiology of diseases, zombies?You know you have a phenomenon when you can knit a zombie. These you can take apart and reassemble, just like real zombies. Knitting...
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The Living Dead - Living Or Dead?
Biology concepts – characteristics of life, cell theory, reproduction, homeostasis, evolution How could this monster have come from the Walking Dead TV show? In what way is he/she walking, and while...
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Free Will Ain’t Free
Biology concepts – neural parasitology, domoic acid toxicity Zombies don’t have a choice in how they behave. Free will is a thing of the past; they don’t even have the ability to resist a dance...
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Rewriting the Genetic Code
Biology concepts – DNA, RNA, tRNA, nonstandard nucleotides, codon, anticodon, genetic code, selenocysteine, isodecoder, mitochondriaJust looking the Imperial Hotel in Tokyo doesn’t really give us an...
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Covering All Our Bases
Biology concepts – nucleoside, tRNA, RNA editing, nonstandard bases, DNA oxidation Specialized pieces are needed to best build special Lincoln Log structures, like this castle. This is much like how...
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Sugars Speak In Code
Biology concepts – carbohydrates, monosaccharides, hexose, glycocode, starch, glycogen, carbohydrate linkage, bacterial persisters, fructolysisRefined sugar is produced from two main sources, sugar...
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Give Thanks For The Cranberry
Biology concepts – epigynous berries, seed dispersion, scarification, drupe, endocarp Ocean Spray alone sells 86.4 million cans of jellied cranberry sauce each year. No matter which sauce you prefer, I...
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Corn Color Concepts
Biology concepts – maize, transposon, antigenic variation, cereal grain, food grain, caryopsis The Corn Palace in Mitchell, South Dakota, uses corncobs to make murals on the sides of the building -...
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The Skinny On Fat
Biology concepts – lipids, fatty acid, saturated fat, trans fat, interesterification, adipose tissue, lipodystrophy, LDL and HDL This is Lizzie Velasquez, a 24 year old with a geneticform of...
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Good afternoon readers,I am seeking feedback from readers and users of the blog, As Many Exceptions As Rules. If you have read the blog and wish to express an opinion, or if you have made use of the...
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The Colors of Alien Plants
Biology concepts – photosynthesis, chlorophyll, pigmentation, astrobiology, exoplanet, dormancyThe King Crimson Norway Maple in our front yard is at least 50 ft. tall. It isn’t a rare tree, but I like...
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Sweet Suffering
Biology concepts – nociception, cranial nerve, headache, referred pain, vasodilation, mechanoreceptorNancy Johnson, a Philadelphia housewife, received a patent for the hand crank ice cream freezer in...
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