CHEM 210 Exams 1-8 and Final Exam.

CHEM 210 Biochemistry Exams 1-8 and Final Exam. Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. True Correct! False Question 5 3 / 3 pts True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5o . True Correct! False Question 6 3 / 3 pts Of the following, ____________ is not a property of carbon. forming covalent bonds triple bond formation Correct! possessing five valence electrons reacting to form long chains called polymers forming multiple bonds Question 7 3 / 3 pts Which of the following is an element not typically found in living organisms? N Correct! He H S O Question 8 3 / 3 pts _____________ is a functional group found in carbohydrates. Esters Thiols Carboxylic acids Correct! Alcohols Amines Question 9 3 / 3 pts The following functional group is an example of _________. Correct! Ketone Thiol Amide Benzene Aldehyde Question 10 0 / 3 pts A ___________ is a chemical formula that does NOT show the C-H and C-C bonds. You Answered Covalent formula Line bond formula Empirical formula Kekule’ structure Correct Answer Condensed formula Question 11 3 / 3 pts A collection of two or more macromolecules uniting is called a _______. Correct! Supramolecular complex Monomer Macromolecular structure Dimer Kekule’ complex Question 12 3 / 3 pts An organic compound with this structure, C=C, contains a ________ functional group. Alkane Correct! Alkene Alkyne Alcohol Both b and d Question 13 3 / 3 pts Scientists refer to ________ as the “super glue” of the chemistry. Correct! C Co Na N O Question 14 3 / 3 pts What molecule is most important for energy storage in cells? Creatine mitochondria DNA RNA Correct! ATP Question 15 3 / 3 pts What would be the approximate size of a human cell? a. 12 μ m b. 1 nm c. 15 nm d. 0.2 inch e. 15 cm Correct! a. b. c. d. e. Question 16 3 / 3 pts For propane, there ________ carbon and ________hydrogen atoms. 5, 12 4, 10 Correct! 3, 8 3, 6 None of the above Question 17 3 / 3 pts For an organic compound, which structure is the most efficient to draw? Correct! Line bond Condensed Lewis structure Structural formula None of these.