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Chem 210 Portage Learning exam Biochemistry
Chem 210 Portage Learning exam Biochemistry
[Show more]Chem 210 Portage Learning exam Biochemistry
[Show more]Portage Learning Chem 210 Final exam 
Portage Biochemistry Questions & Answers 2023/2024
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Add to cartPortage Learning Chem 210 Final exam 
Portage Biochemistry Questions & Answers 2023/2024
True or False: Hydrogen is called the superglue of the chemical world. - 
ANSWER-False 
True or False: Small elements, such as nitrogen, are common in biomolecules. - 
ANSWER-true 
True or False: The time it takes for a compound to flow through a metabolic 
pathway is called the flux. - ANSWER-true ...
Preview 2 out of 6 pages
Add to cartTrue or False: Hydrogen is called the superglue of the chemical world. - 
ANSWER-False 
True or False: Small elements, such as nitrogen, are common in biomolecules. - 
ANSWER-true 
True or False: The time it takes for a compound to flow through a metabolic 
pathway is called the flux. - ANSWER-true ...
Portage Learning Chem 210 Final Exam 
BioChem 
True or False: Nitrogen is called the superglue of the chemical world. - 
ANSWER-FALSE 
True or False: Large elements, such as strontium, are common in biomolecules. - 
ANSWER-FALSE 
True or False: The time it takes for a compound to flow through a meta...
Preview 2 out of 5 pages
Add to cartPortage Learning Chem 210 Final Exam 
BioChem 
True or False: Nitrogen is called the superglue of the chemical world. - 
ANSWER-FALSE 
True or False: Large elements, such as strontium, are common in biomolecules. - 
ANSWER-FALSE 
True or False: The time it takes for a compound to flow through a meta...
Definition of biochemistry - ANSWER-chemistry of life; how properties of 
organisms relate to their molecules 
What are the 3 things biochemists study? - ANSWER-1. The relationship 
between structure and function of biomolecules 
2. Chemical reactions of organisms (metabolism) 
3. Communication with...
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Add to cartDefinition of biochemistry - ANSWER-chemistry of life; how properties of 
organisms relate to their molecules 
What are the 3 things biochemists study? - ANSWER-1. The relationship 
between structure and function of biomolecules 
2. Chemical reactions of organisms (metabolism) 
3. Communication with...
Covalent Catalysis - ANSWER-Active site contains a reactive group 
(Nucleophile) 
General Acid-Base Catalysis - ANSWER-Molecule (other than Water) acts as a 
proton donor or acceptor 
Metal Ion Catalysis - ANSWER-Metal ion serves as an electrophilic catalyst and 
stabilizes reaction intermediate 
Te...
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Add to cartCovalent Catalysis - ANSWER-Active site contains a reactive group 
(Nucleophile) 
General Acid-Base Catalysis - ANSWER-Molecule (other than Water) acts as a 
proton donor or acceptor 
Metal Ion Catalysis - ANSWER-Metal ion serves as an electrophilic catalyst and 
stabilizes reaction intermediate 
Te...
True or False: The majority of reactions of the urea cycle occur in the cytosol. - 
ANSWER-true 
True or False: FADH2 yields 2.5 ATP molecules after donating electrons and hydrogen 
atoms to the electron transfer chain (ETC). - ANSWER-False 
True or False: ATP is invested in the urea cycle. - ANSWER...
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Add to cartTrue or False: The majority of reactions of the urea cycle occur in the cytosol. - 
ANSWER-true 
True or False: FADH2 yields 2.5 ATP molecules after donating electrons and hydrogen 
atoms to the electron transfer chain (ETC). - ANSWER-False 
True or False: ATP is invested in the urea cycle. - ANSWER...
True or False: The ΔG value for a particular reaction is -78kJ/mol. This value indicates 
the reaction is spontaneous. - ANSWER-true 
True or False: A biochemical metabolic pathway is a single reaction that converts 
starting material into products. - ANSWER-false 
True or False: A biochemical meta...
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Add to cartTrue or False: The ΔG value for a particular reaction is -78kJ/mol. This value indicates 
the reaction is spontaneous. - ANSWER-true 
True or False: A biochemical metabolic pathway is a single reaction that converts 
starting material into products. - ANSWER-false 
True or False: A biochemical meta...
Most common nucleic acids 
Deoxyribonucleic acid (DNA) 
Ribonucleic acid (RNA) 
Nucleic acid monomers 
nucleotides 
DNA function 
stores genetic info encoding primary sequence of proteins 
RNA function 
makes proteins from info in DNA 
Nucleotide structure 
base + monosaccharide + phosphoric acid (H...
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Add to cartMost common nucleic acids 
Deoxyribonucleic acid (DNA) 
Ribonucleic acid (RNA) 
Nucleic acid monomers 
nucleotides 
DNA function 
stores genetic info encoding primary sequence of proteins 
RNA function 
makes proteins from info in DNA 
Nucleotide structure 
base + monosaccharide + phosphoric acid (H...
Most common nucleic acids 
Deoxyribonucleic acid (DNA) 
Ribonucleic acid (RNA) 
Nucleic acid monomers 
nucleotides 
DNA function 
stores genetic info encoding primary sequence of proteins 
RNA function 
makes proteins from info in DNA 
Nucleotide structure 
base + monosaccharide + phosphoric acid (H...
Preview 1 out of 4 pages
Add to cartMost common nucleic acids 
Deoxyribonucleic acid (DNA) 
Ribonucleic acid (RNA) 
Nucleic acid monomers 
nucleotides 
DNA function 
stores genetic info encoding primary sequence of proteins 
RNA function 
makes proteins from info in DNA 
Nucleotide structure 
base + monosaccharide + phosphoric acid (H...
Glycerol contains how many carbon atoms? 
- 3 
- 4 
- 5 
- 15 - ANSWER-- 3 
Which of the following are derived from or made from fatty acids? 
- Cholesterol 
- Carotenoids 
- Phosphoglycerides 
- Both A and B 
- Both A and C - ANSWER-- Phosphoglycerides 
Triacylglycerols are made from a ________ and...
Preview 2 out of 6 pages
Add to cartGlycerol contains how many carbon atoms? 
- 3 
- 4 
- 5 
- 15 - ANSWER-- 3 
Which of the following are derived from or made from fatty acids? 
- Cholesterol 
- Carotenoids 
- Phosphoglycerides 
- Both A and B 
- Both A and C - ANSWER-- Phosphoglycerides 
Triacylglycerols are made from a ________ and...
Which of the following monosaccharides is not an aldose? 
a. erythrose 
b. dihydroxyacetone 
c. glucose 
d. glyceraldehyde 
e. ribose - ANSWER-b. dihydroxyacetone 
when two monosaccharides are epimers: 
a. they differ only in the configuration about the penultimate carbon 
b. one is an aldose, the o...
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Add to cartWhich of the following monosaccharides is not an aldose? 
a. erythrose 
b. dihydroxyacetone 
c. glucose 
d. glyceraldehyde 
e. ribose - ANSWER-b. dihydroxyacetone 
when two monosaccharides are epimers: 
a. they differ only in the configuration about the penultimate carbon 
b. one is an aldose, the o...
True or False: Nitrogen is called the superglue of the chemical world. - 
ANSWER-FALSE 
True or False: Large elements, such as strontium, are common in biomolecules. - 
ANSWER-FALSE 
True or False: The time it takes for a compound to flow through a metabolic 
pathway is called the payoff phase. - AN...
Preview 2 out of 5 pages
Add to cartTrue or False: Nitrogen is called the superglue of the chemical world. - 
ANSWER-FALSE 
True or False: Large elements, such as strontium, are common in biomolecules. - 
ANSWER-FALSE 
True or False: The time it takes for a compound to flow through a metabolic 
pathway is called the payoff phase. - AN...
True or False: The amino acids lysine and arginine both contain sulfur atoms. - 
ANSWER-False 
True or False: The following secondary structure shown below is an example of a 
beta-turn. - ANSWER-False 
True or False. The side chain of histidine is bonded to the backbone nitrogen 
atom. - ANSWER-Fal...
Preview 1 out of 4 pages
Add to cartTrue or False: The amino acids lysine and arginine both contain sulfur atoms. - 
ANSWER-False 
True or False: The following secondary structure shown below is an example of a 
beta-turn. - ANSWER-False 
True or False. The side chain of histidine is bonded to the backbone nitrogen 
atom. - ANSWER-Fal...
True or False: According to the Module, a compound with a molecular mass of 1,000 
g/mol is considered a macromolecule. - ANSWER-False 
True or False: Biomolecules can have two or more different functional groups. - 
ANSWER-True 
True or False: The following functional group is an amine. 
C2H5NH2 - ...
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Add to cartTrue or False: According to the Module, a compound with a molecular mass of 1,000 
g/mol is considered a macromolecule. - ANSWER-False 
True or False: Biomolecules can have two or more different functional groups. - 
ANSWER-True 
True or False: The following functional group is an amine. 
C2H5NH2 - ...
What are three ways that biochemists study biological organisms? - ANSWER-the 
relationship between structure and function of biomolecules, 2) chemical reactions of 
organisms (metabolism), and 3) communication within and among organisms 
What is the definition of biochemistry? - ANSWER-The chemistr...
Preview 1 out of 3 pages
Add to cartWhat are three ways that biochemists study biological organisms? - ANSWER-the 
relationship between structure and function of biomolecules, 2) chemical reactions of 
organisms (metabolism), and 3) communication within and among organisms 
What is the definition of biochemistry? - ANSWER-The chemistr...
What is the shape of water? 
Bent. The bond angle is 104.5 degrees. 
What is autoionization, and how is it important for water? 
Autoionization is the ability of a compound to react with itself to form ions. One water 
molecule reacts with a second molecule to form two ions: H3O+ and OH-. These ions...
Preview 1 out of 3 pages
Add to cartWhat is the shape of water? 
Bent. The bond angle is 104.5 degrees. 
What is autoionization, and how is it important for water? 
Autoionization is the ability of a compound to react with itself to form ions. One water 
molecule reacts with a second molecule to form two ions: H3O+ and OH-. These ions...
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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...
Preview 2 out of 9 pages
Add to cartT/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...
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