Biochem Final Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

Biochem Final Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is
considered a macromolecule. - CORRECT ANSWER false



macromolecule >5,000 g/mol



T/F: Biomolecules can have two or more different functional groups. - CORRECT
ANSWER true



T/F: The following group is an amine.



C2H5NH2 - CORRECT ANSWER true



T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting
macromolecules. - CORRECT ANSWER false



peroxisomes degrade dangerous/hazardous molecules, lysosomes degrade macromolecules



T/F: In a eukaryotic cell, the organelles called lysosomes serve the purpose of digesting
macromolecules. - CORRECT ANSWER true



T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5 degrees. -
CORRECT ANSWER false



linear shape = 180 degrees



Of the following, ___ is not a property of carbon.

, Forming ionic bonds

Forming cyclic structures

Forming multiple bonds

Forming bonds with oxygen

Bonding in long chains - CORRECT ANSWER Forming ionic bonds



Which of the following is an element not typically found in living organisms?



Br

Ca

H
S

Na - CORRECT ANSWER Br



What are the functional groups found in carbohydrates? - CORRECT
ANSWER carbonyls (C=O)

alcohol/hydroxyls (-OH)

ketones
aldehydes



What is a ketone? - CORRECT ANSWER carbonyl group bonded to 2 carbons



A ___ is a chemical formula that shows how the atoms of a molecule are bonded to one
another. - CORRECT ANSWER Kekule' structure



A _____ is a chemical formula that does NOT show the C-H and C-C bonds. - CORRECT
ANSWER condensed formula



A collection of two or more macromolecules uniting is called a ___. - CORRECT
ANSWER supramolecular complex