Review for Bio 103 Lab Midterm Read the lab manual and study your worksheets. Vocabulary: Metric system‚ percent error‚ systematic error‚ random error‚ accuracy‚ precision Cylinder‚ beaker‚ pippette‚ balance‚ meniscus Field of view‚ inversion‚ total magnification‚ depth of field‚ par focal Microscope parts: eye piece‚ body tube‚ arm‚ nosepiece‚ objectives‚ stage clips‚ mechanical stage‚ diaphragm‚ condenser‚ fine and course adjustments‚ light stage‚ base Protein‚ peptide bond‚ simple sugar
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have membrane-bound organelles‚ which are lacking in 41) ______ are the major lipids of plasma membranes. Phospholipids 42) Where does protein synthesis take place? on ribosomes 43) Which of the following is a function of the Golgi apparatus? protein modification 44) Lysosomes are responsible for
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Chemical Basis of Life Chemistry Atoms – smallest particle of an element Subatomic particles: * Protons * Neutrons * Electrons Molecules – a unit formed by 2 or more atoms joined together Elements Compounds Mass Weight Inorganic Compounds – molecules that do not necessarily contain a carbon Organic Compounds – always contain large amounts of carbon * theses are the molecules composing living things – organisms Biologically important Inorganic Molecules
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It also possesses and packages lipid and proteins Important in the production of Lysosomes Golgi apparatus. Golgi apparatus work together with the endoplasmic reticulum. the endoplasmic reticulum products are chemically modified and sorted into those that are secreted such as hormones and digestive enzymes. They also possess and package lipid and proteins just like endoplasmic reticluim. Golgi apparatus are important in the production of Lysosomes Lysosome. Lymosomes are membrane vessels that break
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7 properties of Life |Description/Examples | | |Order |All living things exhibit complex but ordered organization; structure of a pinecone | |Regulation |The environment outside of the organism may change drastically‚ but the organism can adjust its internal | | |environment keeping it within appropriate limits; temperature (shivering and sweating) | |Growth & Development |Information carried
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Chapter 4 Microscopes Two important factors in microscopy are: 1) Magnification: an increase in the object’s apparent size compared with its actual size. 2) Resolving Power: the ability of an optical instrument to show two objects are separate. Three types of microscopes: 1) Light Microscope (LM) M: 1000x RP 0‚2 micrometer (small bacterial cell) 2) Electron Microscope (EM) uses a beam of electrons to resolve electrons‚ better resolving powers than light microscope M:100‚000x RP 0
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Casandra De Amicis Biology Review #1 1. The basic unit of structure and function for life is atoms 2. The levels of organization for an organism are: atoms‚ molecules‚ cell‚ tissue‚ organ‚ organ system‚ organisms‚ population‚ community‚ ecosystems‚ and biosphere 3. The characteristics of living organisms are; a. Life is organized b. Life uses materials and energy c. Life reproduces d. Life is homeostatic 4. The major driving force behind evolution is; natural selection (brings about adaptation
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contractile vacuole Plant Cell: Nucleus‚ cell wall‚ plasma membrane‚ cytoplasm‚ chloroplast‚ mitochondria‚ vacuoles Animal Cell: Nucleus‚ nucleolus‚ plasma membrane‚ cytoplasm‚ mitochondria‚ golgi apparatus‚ rough ER‚ ribosome Questions 1. For each structure identified‚ do you think its location affects its ability to function? Why or why not? (Hint: those buried deep in the cell probably do different things than those closer to the cell
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mutations; class 1 mutations is when the LDL receptor gene is not synthesized in the first place due to missense mutations in the coding regions for the protein; class 2 mutations‚ the LDL receptor protein is synthesized but does not reach the Golgi apparatus from the endoplasmic reticulum; class 3 mutations‚ the LDL receptor is not bound properly on the cell surface; class 4 mutations occur when LDL receptors do not bind and cluster in specific areas of the cell surface used for receptor-mediated
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PLEASE WRITE YOUR NAME ON THE TOP OF EACH PAGE. All Answers should be written in the provided space. Each Question is worth 5 pts. A maximum of 20 pts may be added to your first exam 20 x (correct pts / total pts) Question 1 Actin and tubulin form self-assembling polymers. Where on the filaments do subunits exchange with free monomers? Subunit exchange with free monomers occurs at the end of filaments. In actin filaments‚ subunits can be freely exchanged at both ends of the filament (pointed and
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