Problem 1
Organic molecules consist mainly of _____ atoms. a. carbon b. carbon and oxygen c. carbon and hydrogen d. carbon and nitrogen
Problem 2
Each carbon atom can bond with as many as _________ other atom(s).
Problem 3
______ groups are the "acid" part of amino acids and fatty acids. a. Hydroxyl \((-\mathrm{OH})\) b. Carboxyl \((-\mathrm{COOH})\) c. Methyl \(\left(-\mathrm{CH}_{3}\right)\) d. Phosphate \(\left(-\mathrm{PO}_{4}\right)\)
Problem 4
________ is a simple sugar (a monosaccharide). a. Glucose b. Sucrose c. Ribose d. Starch e. both a and \(\vec{c}\) f. \(a, b,\) and \(c\)
Problem 5
Unlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bonds
Problem 6
Is this statement true or false? Unlike saturated fats, all unsaturated fats are beneficial to health because their fatty acid tails kink and do not pack together.
Problem 7
Steroids are among the lipids with no ________, a. double bonds b. fatty acid tails c. hydrogens d. carbons
Problem 8
Name three kinds of carbohydrates that can be built using only glucose monomers.
Problem 9
Which of the following is a class of molecules that encompasses all of the other molecules listed? a. triglycerides b. fatty acids c. waxes d. steroids e. lipids f. phospholipids
Problem 10
_________ are to proteins as ________ are to nucleic acids. a. Sugars; lipids b. Sugars; proteins c. Amino acids; hydrogen bonds d. Amino acids; nucleotides
