QUESTION 1In ____ bonds, atoms share electrons equally.a. po
QUESTION 1In ____ bonds, atoms share electrons equally.a. polar covalentb.ionicc. nonpolar covalentd.doublee. hydrogen4 points QUESTION 2Which type of bonds hold the two chains of DNA together in a DNA molecule?a.hydrogen bondsb.ionicc. polar covalentd. nonpolar covalente. peptide4 points QUESTION 3The positively charged ion, potassium, and the negatively charged ion, fluoride, will form what kind of bond?a. hydrogenb. polar covalentc. ionicd. nonpolar covalente. isotonic4 points QUESTION 4 Nucleotides are monomers of ____.a. polysaccharidesb. cellulosec. nucleic acidsd.proteinse. complex lipids4 points QUESTION 5We can accurately determine the age of a rock or fossil by measuring its ____.a.proton concentrationb. neutron concentrationc. electron concentrationd. isotope concentratione. ion concentration4 points QUESTION 6 An example of a biofilm is ____.a. elongated pilib. an oil slickc. a bacterial capsuled. oral bacteria living on teethe. microalgae on a pond surface4 points QUESTION 7 Archaea were given their own separate domain because they are ____.a. multicellularb. not prokaryoticc. most closely related to eukaryotesd. considered a type of bacteriae. nucleated4 points QUESTION 8 Adhesion proteins are ____.a. involved in nutrient transportb. needed to fasten cells togetherc. involved in binding to signaling moleculesd. found only in bacterial plasma membranese. embedded in the nuclear envelope 4 points QUESTION 9 One of the generalizations of cell theory is that ____.a. cells arise through spontaneous generationb. all cells have a nucleusc. growth is solely the result of cell divisiond. all living organisms are made up of cellse. all cells divide by meiosis4 points QUESTION 10 Plasmids are ____.a. circular RNA elementsb. linear DNA elementsc. circular DNA found in the cytoplasmd. linear RNA elementse. circular DNA found in the nucleus
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