Biochemistry Amino Acid & Protein
Structure Practice Questions
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is considered
a macromolecule.
false
macromolecule >5,000 g/mol
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?
Structure Practice Questions
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is considered
a macromolecule.
false
macromolecule >5,000 g/mol
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?
