Chemistry_of_Life

Chemistry_of_Life - Chemistry of Life Chapter 2 Course...

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Unformatted text preview: Chemistry of Life Chapter 2 Course objectives • Understand how living and non-living environments are interrelated • Understand how cells function • Understand principles of heredity • Understand how the human body functions outline • Non-living vs living factors • Chemistry & biology • Chemistry terminology – Matter: elements & compounds • definitions • Atoms – Chemical interactions • Bonds • Molecules • Reactions • Ph Biotic vs abiotic Competition Predation Resource distribution Disease Temperature Water Sunlight Wind Rock/ soil Life depends on abiotic Life depends on abiotic Chemical composition of human body N deficient Laws of chemistry & physics • 2nd law of thermodynamics – Energy cannot be created nor destroyed, converted • Law of conservation of matter – Matter cannot be created nor destroyed, just rearranged into different spatial patterns Life depends on abiotic Chemistry terminology • Matter • Elements • Atoms Matter solid gas liquid Elements • Substance that cannot be broken down into other substances • 92 naturally occurring • Specific names, symbols & properties • 25 essential to life • Trace elements Chemical elements Essential elements Element structure Atom • Basic unit of matter • Smallest portion of element that still retains the properties of the element • Made of subatomic particles • Different atoms differ in the numbers of p+ & e-, arrangement of e- in atomic orbitals Element structure Example- Carbon...
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This note was uploaded on 12/12/2011 for the course BIO 10 taught by Professor Staff during the Fall '11 term at Mesa CC.

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Chemistry_of_Life - Chemistry of Life Chapter 2 Course...

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