F Handout 01 - Chapters 1-5 - with answers

Aaneutronandelectronmovingarounda proton

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Unformatted text preview: diversity and the unity of life is ______. A) evolution B) microbiology C) taxonomy D) genetics 1 Bio 102 ‐ Handout 1 11) All atoms of an element have the same number of ______. A) protons plus neutrons B) protons C) electrons D) neutrons 12) The way Earth moves about the sun is most like ______. A) a neutron and electron moving around a proton B) an electron moving around the nucleus of an atom C) a proton moving about an electron D) a neutron moving about a proton 13) An atom with an electrical charge is a(n) ______. A) isotope B) molecule C) ion D) compound 14) What name is given to bonds that involve the sharing of electrons? A) covalent B) hydrogen C) ionic D) polar 15) The hydrogens and oxygen of a water molecule are held together by ______ bonds. A) electron B) hydrogen C) covalent D) osmotic 16) How many oxygen atoms are in the products of the following reaction? C6H12O6 + 6 H2O + 6 O2 → 6 CO2 + 12 H2O A) 18 B) 6 C) 12 D) 24 2 17) The tendency of molecules of the same kind to stick together is called ______. A) bonding B) cohesion C) polarity D) adhesion 18) Sweating cools your body by ______. A) cohesion B) radiation C) evaporative cooling D) hydrogen bonding 19) As water freezes, ______. A) its molecules move farther apart B) it cools the surrounding environment C) its hydrogen bonds break apart D) it loses its polarity 20) Which of the following elements, essential to life, is a trace element? A) phosphorus B) carbon C) iodine D) calcium 31) People with lactose intolerance do not have enough ______. A) lactose B) lactase C) glucose D) fructose 32) A single carbon atom can form a maximum of ______ covalent bond(s). A) none; carbon only participates in ionic bonds B) 1 C) 2 D) 4 33) In the following reaction, galactose is a ______. galactose + glucose → lactose + water A) polysaccharide B) monomer C) polymer D) protein Bio 102 ‐ Handout 1 34) What name is given to the following reaction? galactose + glucose → lactose + water A) hydrolysis B) hydrogenation C) glycolysis D) dehydration re...
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This document was uploaded on 03/30/2014.

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