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UNE Biochemistry Final, Final, Final Exam Review UNE medical biochemistry| 290 Questions| With Complete Solutions
Vorschau 4 aus 52 Seiten
In den EinkaufswagenUNE Biochemistry Final, Final, Final Exam Review UNE medical biochemistry| 290 Questions| With Complete Solutions
The glucose-alanine cycle is a method of transferring ammonia from the skeletal muscle to the liver. In this process the non-toxic carrier of ammonia is which of the following compounds? correct answer: Alanine 
 
Which of the following enzymes is correctly paired with its activator? correct answer...
Vorschau 4 aus 88 Seiten
In den EinkaufswagenThe glucose-alanine cycle is a method of transferring ammonia from the skeletal muscle to the liver. In this process the non-toxic carrier of ammonia is which of the following compounds? correct answer: Alanine 
 
Which of the following enzymes is correctly paired with its activator? correct answer...
Medical Biochemistry Final UNE| 284 QUESTIONS| WITH COMPLETE SOLUTIONS
Vorschau 4 aus 47 Seiten
In den EinkaufswagenMedical Biochemistry Final UNE| 284 QUESTIONS| WITH COMPLETE SOLUTIONS
BIOCHEM EXAM 2 QUESTIONS, Midterm| 255 QUESTIONS| WITH COMPLETE SOLUTIONS
Vorschau 4 aus 41 Seiten
In den EinkaufswagenBIOCHEM EXAM 2 QUESTIONS, Midterm| 255 QUESTIONS| WITH COMPLETE SOLUTIONS
Unit 4 Biochemistry Review, Final| 261 Questions| With Complete Solutions
Vorschau 4 aus 86 Seiten
In den EinkaufswagenUnit 4 Biochemistry Review, Final| 261 Questions| With Complete Solutions
UNE medical biochemistry Unit 2 Test, Unit 2, Unit 2, biochem midterm, unit 2
Vorschau 4 aus 82 Seiten
In den EinkaufswagenUNE medical biochemistry Unit 2 Test, Unit 2, Unit 2, biochem midterm, unit 2
Unit 2, Unit 2, biochem midterm, unit 2
Vorschau 4 aus 77 Seiten
In den EinkaufswagenUnit 2, Unit 2, biochem midterm, unit 2
Unit 2 PEs| 307 Questions| With Complete Solutions 
Which of the following are two of the most regulated enzymes in the TCA cycle? correct answer: Isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase 
 
The pyruvate dehydrogenase complex is positively regulated by which of the following c...
Vorschau 4 aus 77 Seiten
In den EinkaufswagenUnit 2 PEs| 307 Questions| With Complete Solutions 
Which of the following are two of the most regulated enzymes in the TCA cycle? correct answer: Isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase 
 
The pyruvate dehydrogenase complex is positively regulated by which of the following c...
Which of the following pathways provides the primary oxidizable fuel for skeletal muscle in the fasted state? correct answer: Lipolysis from adipose tissue 
 
In the fasted state the skeletal muscle is predominantly oxidizing free fatty acids. These are provided through the process of lipolysis in ...
Vorschau 4 aus 56 Seiten
In den EinkaufswagenWhich of the following pathways provides the primary oxidizable fuel for skeletal muscle in the fasted state? correct answer: Lipolysis from adipose tissue 
 
In the fasted state the skeletal muscle is predominantly oxidizing free fatty acids. These are provided through the process of lipolysis in ...
An α-helical arrangement of amino acids is considered to be what level of protein structure? correct answer: Secondary structure of the protein 
 
β- sheets and α-helices are examples of secondary structures. How these structures interact would be an example of tertiary structure. 
 
If a mutati...
Vorschau 4 aus 83 Seiten
In den EinkaufswagenAn α-helical arrangement of amino acids is considered to be what level of protein structure? correct answer: Secondary structure of the protein 
 
β- sheets and α-helices are examples of secondary structures. How these structures interact would be an example of tertiary structure. 
 
If a mutati...
Succinate is a substrate for which complex in the electron transport chain? 
 
a.) Complex 1 (NADH-1 oxidoreductase) 
 
b.) Complex IV (Cyt c oxidase) 
 
c.) Complex V (ATP synthase) 
 
d.) complex II (Succinate-Q reductase) correct answer: Complex II (succinate-Q reductase) (D) 
 
Which of the fol...
Vorschau 4 aus 35 Seiten
In den EinkaufswagenSuccinate is a substrate for which complex in the electron transport chain? 
 
a.) Complex 1 (NADH-1 oxidoreductase) 
 
b.) Complex IV (Cyt c oxidase) 
 
c.) Complex V (ATP synthase) 
 
d.) complex II (Succinate-Q reductase) correct answer: Complex II (succinate-Q reductase) (D) 
 
Which of the fol...
How do most enzymes reduce the activation energy needed to move a reaction forward? correct answer: Providing an active site most complementary the transition state 
 
An enzyme has a mutation within the substrate binding of the coenzyme needed for covalent catalysis. Which of the following is like...
Vorschau 3 aus 24 Seiten
In den EinkaufswagenHow do most enzymes reduce the activation energy needed to move a reaction forward? correct answer: Providing an active site most complementary the transition state 
 
An enzyme has a mutation within the substrate binding of the coenzyme needed for covalent catalysis. Which of the following is like...
A family presents for genetic counseling. The couple has two female children who are alive and well; however, their infant son recently died in the nursery with severe hemolysis (lysis of red blood cells) and jaundice. The wife recalls she lost a brother in infancy with severe hemolysis, induced aft...
Vorschau 2 aus 15 Seiten
In den EinkaufswagenA family presents for genetic counseling. The couple has two female children who are alive and well; however, their infant son recently died in the nursery with severe hemolysis (lysis of red blood cells) and jaundice. The wife recalls she lost a brother in infancy with severe hemolysis, induced aft...
Which of the following proteins is likely to have quaternary structure? correct answer: A multimeric protein that contains multiple peptide chains 
 
Prosthetic groups are complex nonprotein molecules that participate in catalysis by providing functional groups that form a covalent intermediate bet...
Vorschau 2 aus 14 Seiten
In den EinkaufswagenWhich of the following proteins is likely to have quaternary structure? correct answer: A multimeric protein that contains multiple peptide chains 
 
Prosthetic groups are complex nonprotein molecules that participate in catalysis by providing functional groups that form a covalent intermediate bet...
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α-helices and β-sheets are primarily stabilized by which of the following interactions? correct answer: hydrogen bonding 
 
Domains are common structural elements that retain a particular function within the protein. Which of the following is an example of a protein domain? correct answer: An ar...
Vorschau 2 aus 13 Seiten
In den Einkaufswagenα-helices and β-sheets are primarily stabilized by which of the following interactions? correct answer: hydrogen bonding 
 
Domains are common structural elements that retain a particular function within the protein. Which of the following is an example of a protein domain? correct answer: An ar...
A 19-year-old boy is diagnosed with Creutzfeldt-Jakob disease which is caused by the introduction of an amyloid fold in the disease-causing protein. The introduction of this fold causes the protein to transition from a primarily alpha helical structure to an aggregate of mostly beta sheets. This cha...
Vorschau 2 aus 15 Seiten
In den EinkaufswagenA 19-year-old boy is diagnosed with Creutzfeldt-Jakob disease which is caused by the introduction of an amyloid fold in the disease-causing protein. The introduction of this fold causes the protein to transition from a primarily alpha helical structure to an aggregate of mostly beta sheets. This cha...
Under low energy conditions, AMP will bind to phosphofructokinase I and glycogen phosphorylase at site unique to the active site. This enhances the activity of these enzymes. This is an example of which of the follow types of enzyme regulation? correct answer: Allosteric activation 
 
An example of...
Vorschau 3 aus 16 Seiten
In den EinkaufswagenUnder low energy conditions, AMP will bind to phosphofructokinase I and glycogen phosphorylase at site unique to the active site. This enhances the activity of these enzymes. This is an example of which of the follow types of enzyme regulation? correct answer: Allosteric activation 
 
An example of...
primary structure of protein correct answer: linear sequence of amino acids in the polypeptide chain 
 
secondary structure of protein correct answer: alpha helix and beta pleated sheet 
 
alpha helix correct answer: formed when the carbonyl group of peptide bond forms a hydrogen bond with the am...
Vorschau 2 aus 9 Seiten
In den Einkaufswagenprimary structure of protein correct answer: linear sequence of amino acids in the polypeptide chain 
 
secondary structure of protein correct answer: alpha helix and beta pleated sheet 
 
alpha helix correct answer: formed when the carbonyl group of peptide bond forms a hydrogen bond with the am...
Succinate is a substrate for which complex in the electron transport chain? 
 
a.) Complex 1 (NADH-1 oxidoreductase) 
 
b.) Complex IV (Cyt c oxidase) 
 
c.) Complex V (ATP synthase) 
 
d.) complex II (Succinate-Q reductase) correct answer: Complex II (succinate-Q reductase) (D) 
 
Which of the fol...
Vorschau 4 aus 61 Seiten
In den EinkaufswagenSuccinate is a substrate for which complex in the electron transport chain? 
 
a.) Complex 1 (NADH-1 oxidoreductase) 
 
b.) Complex IV (Cyt c oxidase) 
 
c.) Complex V (ATP synthase) 
 
d.) complex II (Succinate-Q reductase) correct answer: Complex II (succinate-Q reductase) (D) 
 
Which of the fol...
The glucose-alanine cycle is a method of transferring ammonia from the skeletal muscle to the liver. In this process the non-toxic carrier of ammonia is which of the following compounds? correct answer: Alanine 
 
Which of the following enzymes is correctly paired with its activator? correct answer...
Vorschau 4 aus 36 Seiten
In den EinkaufswagenThe glucose-alanine cycle is a method of transferring ammonia from the skeletal muscle to the liver. In this process the non-toxic carrier of ammonia is which of the following compounds? correct answer: Alanine 
 
Which of the following enzymes is correctly paired with its activator? correct answer...
An individual goes to bed around 8 pm and doesn't wake up until 9 am the next morning. During this time, which of the following is the primary oxidizable substrate in the skeletal muscle? correct answer: Free fatty acids 
 
Under fasted conditions as described above, the skeletal muscle and liver ...
Vorschau 3 aus 25 Seiten
In den EinkaufswagenAn individual goes to bed around 8 pm and doesn't wake up until 9 am the next morning. During this time, which of the following is the primary oxidizable substrate in the skeletal muscle? correct answer: Free fatty acids 
 
Under fasted conditions as described above, the skeletal muscle and liver ...
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Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? 
 
a. Somatostatin activates an activator G-protein 
b. Somatostatin activates MAPK cascade 
c. Somatostatin activates an inhibitory G-protein 
d. Somatostatin uses Ca+2 as a downstream signal...
Vorschau 3 aus 18 Seiten
In den EinkaufswagenSomatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? 
 
a. Somatostatin activates an activator G-protein 
b. Somatostatin activates MAPK cascade 
c. Somatostatin activates an inhibitory G-protein 
d. Somatostatin uses Ca+2 as a downstream signal...
Under fasting conditions (ratio of insulin: glucagon <1), elevated glucagon will activate which of the following enzymes? correct answer: hormone sensitive lipase 
 
Ketonuria, hypoglycemia, and severe acidosis are prime diagnostic indicators of the presentation of type 1 diabetic ketoacidosis. ...
Vorschau 2 aus 12 Seiten
In den EinkaufswagenUnder fasting conditions (ratio of insulin: glucagon <1), elevated glucagon will activate which of the following enzymes? correct answer: hormone sensitive lipase 
 
Ketonuria, hypoglycemia, and severe acidosis are prime diagnostic indicators of the presentation of type 1 diabetic ketoacidosis. ...
Malate can be converted to pyruvate in the cytosol. Which of the following compounds is directly generated in this conversion and is essential for fatty acid synthesis? 
 
FADH2 
 
ATP 
 
Acetyl-CoA 
 
NADPH correct answer: NADPH 
 
An increase in the ratio of insulin to glucagon will increase the ...
Vorschau 4 aus 36 Seiten
In den EinkaufswagenMalate can be converted to pyruvate in the cytosol. Which of the following compounds is directly generated in this conversion and is essential for fatty acid synthesis? 
 
FADH2 
 
ATP 
 
Acetyl-CoA 
 
NADPH correct answer: NADPH 
 
An increase in the ratio of insulin to glucagon will increase the ...
A 3-year-old male is brought to the emergency department by his parents. He is unconscious on admittance and his blood glucose was 15 mg/dl, ( normal 75 - 105 mg/dl). Further testing showed this individual had a deficiency in carnitine. Based on this diagnosis you would also expect which of the foll...
Vorschau 3 aus 21 Seiten
In den EinkaufswagenA 3-year-old male is brought to the emergency department by his parents. He is unconscious on admittance and his blood glucose was 15 mg/dl, ( normal 75 - 105 mg/dl). Further testing showed this individual had a deficiency in carnitine. Based on this diagnosis you would also expect which of the foll...
What are the main products of beta oxidation? correct answer: 1 NADH, 1 FADH, 1 Acetyl CoA 
 
So in the case of an 11-year-old girl brought to the emergency department by her father, he's reporting that she's been very thirsty and needing to make frequent strips to the bathroom. Today, she report...
Vorschau 3 aus 16 Seiten
In den EinkaufswagenWhat are the main products of beta oxidation? correct answer: 1 NADH, 1 FADH, 1 Acetyl CoA 
 
So in the case of an 11-year-old girl brought to the emergency department by her father, he's reporting that she's been very thirsty and needing to make frequent strips to the bathroom. Today, she report...
What are the direct products of Beta Oxidation? correct answer: NADH 
FADH2 
Acetyl CoA 
 
What does Acetyl CoA get used for correct answer: ketogenesis 
allosterically activates Pyruvate Carboxylase 
 
An 11yo girl is brought into the emergency department by her father. He reports that she has re...
Vorschau 3 aus 22 Seiten
In den EinkaufswagenWhat are the direct products of Beta Oxidation? correct answer: NADH 
FADH2 
Acetyl CoA 
 
What does Acetyl CoA get used for correct answer: ketogenesis 
allosterically activates Pyruvate Carboxylase 
 
An 11yo girl is brought into the emergency department by her father. He reports that she has re...
UNE BioChem Unit 4 Final EXAM| 101 Questions| With Complete Solutions
Vorschau 3 aus 18 Seiten
In den EinkaufswagenUNE BioChem Unit 4 Final EXAM| 101 Questions| With Complete Solutions
The cellular uptake of LDL increase intracellular cholesterol levels. This has which of the following impacts on de novo cholesterol synthesis? correct answer: Increases degradation of HMG-CoA reductase 
 
Dietary cholesterol is primarily transported in the body by which of the following lipoprotei...
Vorschau 3 aus 18 Seiten
In den EinkaufswagenThe cellular uptake of LDL increase intracellular cholesterol levels. This has which of the following impacts on de novo cholesterol synthesis? correct answer: Increases degradation of HMG-CoA reductase 
 
Dietary cholesterol is primarily transported in the body by which of the following lipoprotei...
Control of Fatty Acid Synthesis vs. Oxidation correct answer: When Insulin is HIGH --> fatty acid synthesis occurs 
When Glucagon is HIGH --> lipolysis, fatty acid B-oxidation, ketogenesis occur 
 
**These never happen at the same time! 
 
Lipolysis correct answer: Process of releasing free ...
Vorschau 3 aus 21 Seiten
In den EinkaufswagenControl of Fatty Acid Synthesis vs. Oxidation correct answer: When Insulin is HIGH --> fatty acid synthesis occurs 
When Glucagon is HIGH --> lipolysis, fatty acid B-oxidation, ketogenesis occur 
 
**These never happen at the same time! 
 
Lipolysis correct answer: Process of releasing free ...
If unregulated, which of the following pairs of enzymes would represent a futile cycle? correct answer: Fructose-1,6-bisphosphatase and phosphofructokinase 1 
 
Ethanol metabolism correct answer: Increases the ratio of NADH/NAD+ 
 
The first step in ethanol metabolism is in the cytosol and generat...
Vorschau 3 aus 21 Seiten
In den EinkaufswagenIf unregulated, which of the following pairs of enzymes would represent a futile cycle? correct answer: Fructose-1,6-bisphosphatase and phosphofructokinase 1 
 
Ethanol metabolism correct answer: Increases the ratio of NADH/NAD+ 
 
The first step in ethanol metabolism is in the cytosol and generat...
In the liver, which of the following key inhibitory events ensures that newly synthesized palmitoyl-CoA is not immediately oxidized? 
 
Carnitine palmitoyl transferase-I (CPTI) by palmitoylcarnitine 
 
Carnitine palmitoyl transferase-II (CPTII) by acetyl-CoA 
 
Acyl-CoA synthetase by malonyl CoA 
 
...
Vorschau 4 aus 34 Seiten
In den EinkaufswagenIn the liver, which of the following key inhibitory events ensures that newly synthesized palmitoyl-CoA is not immediately oxidized? 
 
Carnitine palmitoyl transferase-I (CPTI) by palmitoylcarnitine 
 
Carnitine palmitoyl transferase-II (CPTII) by acetyl-CoA 
 
Acyl-CoA synthetase by malonyl CoA 
 
...
Under fasting conditions (ratio of insulin to glucagon <1), elevated glucagon will activate which of the following enzymes? correct answer: Hormone sensitive lipase 
 
The process of ketogenesis refers to the conversion of acetyl CoA to which of the following compounds? correct answer: D-3-hydr...
Vorschau 3 aus 20 Seiten
In den EinkaufswagenUnder fasting conditions (ratio of insulin to glucagon <1), elevated glucagon will activate which of the following enzymes? correct answer: Hormone sensitive lipase 
 
The process of ketogenesis refers to the conversion of acetyl CoA to which of the following compounds? correct answer: D-3-hydr...
An 11-year-old girl is brought to the emergency department by her father. He reports she has recently been very thirsty and needing to make frequent trips to the bathroom. At her soccer game today, she complained of lightheadedness and that the symptoms did not resolve even after drinking a power be...
Vorschau 3 aus 29 Seiten
In den EinkaufswagenAn 11-year-old girl is brought to the emergency department by her father. He reports she has recently been very thirsty and needing to make frequent trips to the bathroom. At her soccer game today, she complained of lightheadedness and that the symptoms did not resolve even after drinking a power be...
Which of the following urea cycle enzymes catalyzes the reaction hydrolyzing the release of urea from arginine? correct answer: Arginase 
 
Arginase releases urea from arginine through a hydrolytic cleavage. 
 
Which of the following enzymes is likely to be active in both the fed and fasted states...
Vorschau 4 aus 33 Seiten
In den EinkaufswagenWhich of the following urea cycle enzymes catalyzes the reaction hydrolyzing the release of urea from arginine? correct answer: Arginase 
 
Arginase releases urea from arginine through a hydrolytic cleavage. 
 
Which of the following enzymes is likely to be active in both the fed and fasted states...
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UNE CHEM 1005: MEDICAL BIOCHEMISTRY FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS
Vorschau 1 aus 3 Seiten
In den EinkaufswagenUNE CHEM 1005: MEDICAL BIOCHEMISTRY FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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