and Answers | Study Guide | Grade A+
• T/F: Biomolecules can have two or more different functional groups. -✓✓true
• T/F: The following group is an amine.
C2H5NH2 -✓✓true
• T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of
digesting macromolecules. -✓✓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. -✓✓true
• T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5
degrees. -✓✓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 -✓✓Forming ionic bonds
• Which of the following is an element not typically found in living organisms?
Br
Ca
H
S
Na -✓✓Br
• What are the functional groups found in carbohydrates? -✓✓carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes
, • What is a ketone? -✓✓carbonyl group bonded to 2 carbons
• A ___ is a chemical formula that shows how the atoms of a molecule are bonded to
one another. -✓✓Kekule' structure
• A _____ is a chemical formula that does NOT show the C-H and C-C bonds. -
✓✓condensed formula
• A collection of two or more macromolecules uniting is called a ___. -
✓✓supramolecular complex
• An organic compound with this structure, C=C, contains a ___ functional group. -
✓✓alkene
• What element has been called the superglue of the chemical world? -✓✓carbon (C)
• What molecule is the most important for energy storage in cells? -✓✓ATP
• What would be the approximate size of a human cell? -✓✓12 μm
• For pentane, there are ___ carbon and ___ hydrogen atoms. -✓✓5; 12
• For butane, there are ___ carbon and ___ hydrogen atoms. -✓✓4; 10
• For an organic compound, which structure is the most efficient to draw? -✓✓line bond
• When writing an organic functional group, scientists often wrist an "R" as part of the
structure. What does the R indicate? -✓✓rest of the molecule
• According to the module, the study of carbon compounds is referred to as ___. -
✓✓organic chemistry
• The ___ functional group was NOT discuss in this module.
alcohol
amine
aromatic
thiol
all of these were discussed -✓✓all of these were discussed
• Which number would be closest to the approximate number of ribosomes in an E. coli
cell?
9