Biology Molecule

Title: Biology Molecule
Category: Science & Technology
Details: Words: 2247 | Pages: 9.6 (approximately 235 words/page)

Biology Molecule

Unit 1 -man is high 50’s to 60% water -distribution in body divided into 3 compartments: 1) intracellular - 28 litres 2) intercellular/interstitial fluid - 11 litres - 80% 3) blood plasma - 3 litres - 20% -women contain less water than men -organisms can contain 60-80% water -bacteria have lots of water -fat cells have little -water’s properties result from its structure and molecular interactions -water is polar -polar covalent bonds and asymmetrical shape give it opposite charges on opposite sides -electrons spend more time around O giving H …showed first 75 words of 2247 total…

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…showed last 75 words of 2247 total…currency, it is produced constantly -ATP molecules usually last less than a minute before being broken down -~40 kg is produced in a day -if a cell needs energy, it hydrolyses ATP and releases energy in small packets NAD: -contains ribose sugar, adenine and 2 nucleotides -one nucleotide does not contain any of the 5 bases, but instead a nicotinamide ring -they can accept hydrogens and become NADH -hydrogens are accepted or passed on during respiration or photosynthesis

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