Biochem C785 Complete Exam Review With Full Solutions

BIOCHEM C785 COMPLETE EXAM REVIEW
WITH FULL SOLUTIONS

●● T/F: Biomolecules can have two or more different functional groups.
Answer: true


●● T/F: The following group is an amine.


C2H5NH2
Answer: true


●● T/F: In a eukaryotic cell, the organelles called peroxisomes serve the
purpose of digesting macromolecules.
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.
Answer: true

,●● T/F: Carbon dioxide has a linear molecular shape AND has a bond
angle of 109.5 degrees.
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
Answer: Forming ionic bonds


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


Br
Ca
H
S
Na

, Answer: Br


●● What are the functional groups found in carbohydrates?
Answer: carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes


●● What is a ketone?
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.
Answer: Kekule' structure


●● A _____ is a chemical formula that does NOT show the C-H and C-C
bonds.
Answer: condensed formula


●● A collection of two or more macromolecules uniting is called a ___.
Answer: supramolecular complex