BIOCHEM FINAL EXAM LATEST
QUESTIONS AND ANSWERS WITH 100%
CORRECT ANSWERS.
GRADED A+. GUARANTEED SUCCESS!
QUESTIONS AND ANSWERS
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
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
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
For pentane, there are ___ carbon and ___ hydrogen atoms.. ANSWER - 5; 12
For butane, there are ___ carbon and ___ hydrogen atoms.. ANSWER - 4; 10
For an organic compound, which structure is the most efficient to draw?. ANSWER - line
bond
When writing an organic functional group, scientists often wrist an "R" as part of the
structure. What does the R indicate?. ANSWER - rest of the molecule
According to the module, the study of carbon compounds is referred to as ___.. ANSWER -
organic chemistry
The ___ functional group was NOT discuss in this module.
QUESTIONS AND ANSWERS WITH 100%
CORRECT ANSWERS.
GRADED A+. GUARANTEED SUCCESS!
QUESTIONS AND ANSWERS
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
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
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
For pentane, there are ___ carbon and ___ hydrogen atoms.. ANSWER - 5; 12
For butane, there are ___ carbon and ___ hydrogen atoms.. ANSWER - 4; 10
For an organic compound, which structure is the most efficient to draw?. ANSWER - line
bond
When writing an organic functional group, scientists often wrist an "R" as part of the
structure. What does the R indicate?. ANSWER - rest of the molecule
According to the module, the study of carbon compounds is referred to as ___.. ANSWER -
organic chemistry
The ___ functional group was NOT discuss in this module.
