Organ system is made up of several organs working together ° Organism is an individual living thing ° Population members of one species living together ° Community is two or more populations living in the same area ° Ecosystem is two or more communities with their living and nonliving surroundings ° Biosphere is the area of earth where living things live ° °
° Energy Levels of Electrons ° Exam 1 ° Anything bolded on the slides – define and apply ° List and describe the properties of life ° Understand emergent properties, reductionism, and biological hierarchy ° READ THE QUESTION: From simple to most complex or most complex to most simple ° Explain how organisms interact with their environment – energy passes from radiant energy and the matter is recycled by the environment ° Structure and Function ° Cells are a basic unit of heredity – difference between eukaryotes and prokaryotes ° Difference between genome and gene ° Feedback systems based on metabolic pathways and set points ° Taxonomic hierarchy – domain, kingdom, phylum, class, order, family, genus, species. Genus and species, how is it written correctly ° Three Domains of life: Domain of Bacteria, Domain of Archaea Domain of Eukaria, ° Darwin and his theory of natural selection – what did he observe and why it happens ° ° ° Bolded terms – matter, element, compound, weight ° 4 elements that make up – hydrogen, carbon, nitrogen, oxygen ° Trace elements and an example – cobalt, fluorine , iron, iodine , selenium, tin, zinc ° Atom – properties of subatomic particles, location, atomic mass and atomic number indicate, be able to draw correct electron configuration, knowing bonds – covalent is always sharing, but it can be an equal share that is nonpolar, or an unequal share that is polar ° Ionic bonds, hydrogen bonds, and chemical reactions
° Why water is important – can form 4 hydrogen bonds and exist in 3 states ° Know 4 emergent properties and be able to apply them ° Hydrophilic, hydrophobic, and pH ° Buffering systems ° ° Expect: multiple choice first, short answer/essay last ° 45-50 MC and then 20 short answer/essay/picture ° ° ° pH ° ° OH is subtracted from 14 to get the pH of the solution ° H is the pH of the solution
Molecules 02/19/2018 ° Chapter 4 ° Functional Groups three biological molecules that are electronegative and important for life o oxygen, phosphorous, and nitrogen ° 7 Functional Groups Hydroxyl – basis of an alcohol Carbonyl – double bond to an oxygen, creates a ketone in acetone if in the middle of the carbon skeleton, it is an aldehyde if the carbonyl group is at the end of the carbon and it becomes a sugar Carobxyl – hydroxyl and carbonyl combination. Makes the molecule an acid, a carbolic acid and creates vinegar. Amino group has a nitrogen atom bonded to two hydrogen atoms Sulfhyryl group is a sulfur atom and a hydrogen atom Phosphate group is a phosphorus in the center and four oxygen and is extremely polar Methyl is a carbon bonded to three hydrogen atoms ° ° Chapter 5 ° Large Biological Molecules – Macromolecules
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