Pearson Biology- Practice Test Chapter 3: The Molecules of Cells Questions and Answers 100% Pass

Pearson Biology- Practice Test Chapter 3: The Molecules of Cells Questions and Answers 100% Pass Which of the following statements about carbon skeletons is true? - Correct Answer️️ - -Carbon skeletons may take the shape of a ring. Which component of an amino acid provides its acidic properties? - Correct Answer️️ - -its carboxyl group The __________ reaction that occurs when two monomers combine to form a polymer releases molecules of __________. - Correct Answer️️ --dehydration; water Which of the following functional groups of organic molecules consists only of a carbon atom double-bonded to an oxygen atom? - Correct Answer️️ --Carbonyl Glucose and fructose are isomers. What does this tell you about the two molecules? - Correct Answer️️ --they have the same molecular formula What is the shape of a 6-carbon sugar molecule dissolved in an aqueous solution? - Correct Answer️️ --Ring Why can't humans digest cellulose? - Correct Answer️️ --it contains hydrogen bonds Saturated fats are semi-solid at room temperature, whereas unsaturated fats are usually liquid. Why? - Correct Answer️️ --single C-C bonds allow the molecules to "pack together"SMART PDF