First_Exam_Learning_Objectives

First_Exam_Learning_Objectives - Biol 1201 Sec 1 Spring...

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Biol 1201 Sec 1 Spring 2009 First Exam Learning Objectives The exam is at 6:00 PM Thursday Feb 5 in Campbell Auditorium. Focus on the material and examples covered in lecture . The exam covers material in Chapters 2 through 6 of the text. The quiz questions (Moodle and in- class) identify topics I think are important for you to know. There will be 52 questions on the exam each worth 2 points. (The maximum score on the test is 104.) Bring your student ID and a number 2 pencil to the exam . ( And perhaps an eraser.) I will provide you with a scantron. Topics: Information from the Introductory Material From Lecture (3 questions) Know the definitions and examples of Endotherm - Referring to organisms with bodies that are warmed by heat generated by metabolism. This heat is usually used to maintain a relatively stable body temperature higher than that of the external environment. (The body temperature of an endotherm is not set by the environmental temperature.) Examples: Penguins, Humans, Tuna, and Great White Sharks. Ectotherm - Referring to organisms for which external sources provide the primary source of heat for temperature regulation. (The body temperature of an actotherm is set by the environmental temperature.) Examples: Boneyfish, Crabs and Shrimp. Thermophile - Bacteria that exists at temperatures up to 130 ° C. Examples: Halophile - Bacteria that live in osmotic equilibrium with 3 molar salt. Examples: Barophile - “Pressure loving” bacteria. Examples: Piezophile - Thrive at pressures that kill surface bacteria (generally found on ocean floors where pressures exceed 380 atm). Examples: Basic Chemistry Elements and Electrons (7 questions) Atomic mass - The total mass of an atom, which is the mass in grams of 1 mole of the atom. Atomic number - Number of protons in the nucleus. Electron shells - An energy level of electrons at a characteristic average distance from the nucleus of an atom.
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Valence (versus electrons in the valence shell) – know how to calculate this for atoms important in biological systems Valence Electrons are the electrons contained in the outermost electron shell of an atom.
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