Answers Graded A+ 2025-2026
Updated.
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is considered
a macromolecule. - Answer false
macromolecule >5,000 g/mol
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
, 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
An organic compound with this structure, C=C, contains a ___ functional group. - Answer
alkene
What element has been called the superglue of the chemical world? - Answer carbon (C)
What molecule is the most important for energy storage in cells? - Answer ATP
What would be the approximate size of a human cell? - Answer 12 μm