StudyGuideBIO110222

StudyGuideBIO110222 - BlO 110 Exam I Study Guide All of the...

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BlO 110 Exam I Study Guide All of the topics listed will appear on the exam. What is homeostasis? All living organisms act to maintain a relatively stable internal environment Deductive vs. inductive reasoning Deductive: Using accepted general principles as a “guide” to explain specific observations Inductive: Discovering general principles through examination of specific cases What do the 1st and 2nd laws of thermodynamics say? 1 st law: Energy cannot be created or destroyed, but can change forms 2 nd law: Disorder in closed systems is continuously increasing Entropy(measure of disorder) increases Atomic number, atomic mass number, valence shell electrons, octet rule Atomic number: protons also # of electrons Atomic mass: # of protons and neutrons Valence shell electrons: Chemical behavior depends on # of e- in valance shell Atoms with same # e- have similar behavior Octet rule: Atoms want 8 val. e- and will gain lose or share to get 8 Covalent, ionic, and hydrogen bonds Covalent bonds: Formed when two atoms share electrons 1. Strong(increases with # shared) 2. Very directional Ionic bonds: Formed by the attraction of oppositely charged ions 1. Strong but less than covalent 2. Not directional Hydrogen bonds: Formed by the attraction of opposite partial electric charges between two polar molecules. 1. Weak 2. Highly directional What type of bond makes a water molecule? Hydrogen bond Definition of energy Energy: Ability to do work What is the range of pH? Acidic and basic ph is Range: 1-14 Acidic: 0<7 Basic: 7<14 Monomers of carbohydrates, proteins, nucleic acids, and lipids
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Carohydrates- monosaccharide(simple sugar) Proteins- Amino acids Nucleic acid: nucleotides Lipids: Fatty acid Primary, secondary, tertiary, and quaternary protein structure Primary: The specific amino acid sequence of a protein
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StudyGuideBIO110222 - BlO 110 Exam I Study Guide All of the...

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