Biology Portage Learning Mod-1 Quizzes and answers. GRADED A+.
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Briefly describe the key characteristics of covalent, ionic, and hydrogen bonds. - Ans-Covalent: electron pairs are shared;ionic: positively and negatively charged ions attract; hydrogen: results fr... om positive "end" of a polar molecule being weakly attracted to the negative "end" of another polar molecule. Name the monomer(s) (building block) that make up each of the following biomacromolecules: Proteins-- Lipids-- Nucleic Acid-- Carbohydrate- - Ans-Proteins- Amino Acids Lipids- Glycerol + fatty acid Nucleic Acid - nucleotide Carbohydrate- Monosaccharide What is the main reason for the polarity of most biomacromolecules? - Ans-Unshared electrons cause a push in the other bonds. In water, for example, the unshared electrons are on the O and it creates a slightly negative end, but the hydrogen atoms have a slightly positive end. Ultimately, it's the shap [Show More]
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