BIOCHEM FINAL EXAM QUESTIONS WITH CORRECT ANSWERS

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BIOCHEM FINAL EXAM QUESTIONS WITH
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

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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

, 3


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