CHEM 1005 EXAM BUNDLE(COMPLETE PACKAGE)Questions & Answers 100% CorrectCHEM 1005 EXAM BUNDLE(COMPLETE PACKAGE)Questions & Answers 100% CorrectCHEM 1005 EXAM BUNDLE(COMPLETE PACKAGE)Questions & Answers 100% CorrectCHEM 1005 EXAM BUNDLE(COMPLETE PACKAGE)Questions & Answers 100% CorrectCHEM 1005 ...
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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? - ANSWERSAlanine Which of the following enzymes is correctly paired with its activator? - ANSWERSN-acetylgluta...
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Add to cartThe 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? - ANSWERSAlanine Which of the following enzymes is correctly paired with its activator? - ANSWERSN-acetylgluta...
Carnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconve...
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Add to cartCarnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconve...
What is the role of adipose in metabolism? - ANSWERSStorage of triacylglycerols as a source of energy that can be released as FFAs under fasted state conditions; other roles include body weight homeostasis, coagulation, immunity, vascular tone control, appetite regulation, glucose/lipid metabolism, ...
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Add to cartWhat is the role of adipose in metabolism? - ANSWERSStorage of triacylglycerols as a source of energy that can be released as FFAs under fasted state conditions; other roles include body weight homeostasis, coagulation, immunity, vascular tone control, appetite regulation, glucose/lipid metabolism, ...
A comatose infant is brought to the ER. In the course of the examination, plasma ammonia was found to be elevated 20-fold over normal values. Urine orotic acid and uracil were both greater than normal. A defect of which of the following enzymes is the most likely diagnosis? - ANSWERSOrnithine transc...
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Add to cartA comatose infant is brought to the ER. In the course of the examination, plasma ammonia was found to be elevated 20-fold over normal values. Urine orotic acid and uracil were both greater than normal. A defect of which of the following enzymes is the most likely diagnosis? - ANSWERSOrnithine transc...
Carnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconve...
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Add to cartCarnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconve...
In the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPTI) can be directly inhibited by which of the following compounds? a. Malonyl CoA b. Carnitine c. Acetyl CoA d. Palmitate - ANSWERSMal...
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Add to cartIn the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPTI) can be directly inhibited by which of the following compounds? a. Malonyl CoA b. Carnitine c. Acetyl CoA d. Palmitate - ANSWERSMal...
What are the main products of beta oxidation? - ANSWERS1 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 reported light...
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Add to cartWhat are the main products of beta oxidation? - ANSWERS1 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 reported light...
In the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPTI) can be directly inhibited by which of the following compounds? - ANSWERSMalonyl CoA Under fasting conditions (ratio of insulin to glucag...
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Add to cartIn the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPTI) can be directly inhibited by which of the following compounds? - ANSWERSMalonyl CoA Under fasting conditions (ratio of insulin to glucag...
In the fasted state, fatty acyl-CoAs are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPT-1) can be directly inhibited by which of the following compounds? a. Malonyl-CoA b. Carnitine c. Palmitate d. Acetyl-CoA - ANSWE...
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Add to cartIn the fasted state, fatty acyl-CoAs are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPT-1) can be directly inhibited by which of the following compounds? a. Malonyl-CoA b. Carnitine c. Palmitate d. Acetyl-CoA - ANSWE...
Which of the following lipoproteins is responsible for carrying cholesterol from peripheral tissues (i.e skeletal muscle) back to the liver? - ANSWERSHDL What is the primary role of LCAT (Lecithin-cholesterol acyltransferase)? - ANSWERSTo esterify cholesterol transported by HDL Which enzyme is...
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Add to cartWhich of the following lipoproteins is responsible for carrying cholesterol from peripheral tissues (i.e skeletal muscle) back to the liver? - ANSWERSHDL What is the primary role of LCAT (Lecithin-cholesterol acyltransferase)? - ANSWERSTo esterify cholesterol transported by HDL Which enzyme is...
In the fasted state, fatty acyl-CoAs are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase 1 can be directly inhibited by which of the following compounds? - ANSWERSMalonyl-CoA An individual is on a hunger strike and has not eaten in 1...
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Add to cartIn the fasted state, fatty acyl-CoAs are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase 1 can be directly inhibited by which of the following compounds? - ANSWERSMalonyl-CoA An individual is on a hunger strike and has not eaten in 1...
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 ...
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Add to cartIn 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 ...
The cellular uptake of LDL increase intracellular cholesterol levels. This has which of the following impacts on de novo cholesterol synthesis? - ANSWERSIncreases degradation of HMG-CoA reductase Dietary cholesterol is primarily transported in the body by which of the following lipoproteins? - AN...
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Add to cartThe cellular uptake of LDL increase intracellular cholesterol levels. This has which of the following impacts on de novo cholesterol synthesis? - ANSWERSIncreases degradation of HMG-CoA reductase Dietary cholesterol is primarily transported in the body by which of the following lipoproteins? - AN...
Fatty acid synthesis (cytosolic process) - ANSWERSactivated by insulin and inhibited by glucagon Fatty acid synthesis (cytosolic process) - ANSWERSSubstrates need to be shuttled out of the mitchondria Fatty acid synthesis (cytosolic process) In the mitochondria: - ANSWERS-Acetyl-CoA + OAA in ...
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Add to cartFatty acid synthesis (cytosolic process) - ANSWERSactivated by insulin and inhibited by glucagon Fatty acid synthesis (cytosolic process) - ANSWERSSubstrates need to be shuttled out of the mitchondria Fatty acid synthesis (cytosolic process) In the mitochondria: - ANSWERS-Acetyl-CoA + OAA in ...
According to the first law of thermodynamics, the energy of a system is __________. Always increasing Constant Lost as heat Always decreasing - ANSWERSConstant Oxidation of the major foodstuffs leads to the generation of reducing equivalents. Which of the following is a reducing equivalent?...
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Add to cartAccording to the first law of thermodynamics, the energy of a system is __________. Always increasing Constant Lost as heat Always decreasing - ANSWERSConstant Oxidation of the major foodstuffs leads to the generation of reducing equivalents. Which of the following is a reducing equivalent?...
When does fatty acid oxidation occur? - ANSWERSWhen glucagon is high and insulin is low What does fatty acid oxidation do? - ANSWERSIt is a high energy yielding process that can support cellular needs in fasting and when excess energy is needed. How are free fatty acids used to produce ATP? - ...
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Add to cartWhen does fatty acid oxidation occur? - ANSWERSWhen glucagon is high and insulin is low What does fatty acid oxidation do? - ANSWERSIt is a high energy yielding process that can support cellular needs in fasting and when excess energy is needed. How are free fatty acids used to produce ATP? - ...
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False - ANSWERST/F: excess amino acids can be stored Cytosol - ANSWERSProteins with short half-lives or those that are misfolded are degraded in the ____ ATP and ubiquitin - ANSWERSATP mediated protein degradation requires: Ubiquitin - ANSWERSAttachment of ___ changes the conformation of a ...
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Add to cartFalse - ANSWERST/F: excess amino acids can be stored Cytosol - ANSWERSProteins with short half-lives or those that are misfolded are degraded in the ____ ATP and ubiquitin - ANSWERSATP mediated protein degradation requires: Ubiquitin - ANSWERSAttachment of ___ changes the conformation of a ...
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? - ANSWERSFree fatty acids Under fasted conditions as described above, the skeletal muscle and liver would be...
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Add to cartAn 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? - ANSWERSFree fatty acids Under fasted conditions as described above, the skeletal muscle and liver would be...
Which of the following enzymes is part of both the TCA cycle and ETC - ANSWERSSUCCINATE DEHYDROGENASE The majority of energy is ATP is stored within which of the following bonds below - ANSWERS1 In the case of deficiency in phenylalanine hydroxlase, which of the following amino acids will beco...
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Add to cartWhich of the following enzymes is part of both the TCA cycle and ETC - ANSWERSSUCCINATE DEHYDROGENASE The majority of energy is ATP is stored within which of the following bonds below - ANSWERS1 In the case of deficiency in phenylalanine hydroxlase, which of the following amino acids will beco...
What enzyme is used by the gluconeogenic pathway but NOT in the glycolytic pathway? - ANSWERSPhosphoenolpyruvate Carboxykinase PEPCK Newborn screening results show a biotinidase deficiency in a 2 day old infant. The deficiency impairs the infant's ability to reuse and recycle biotin. Due to the ...
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Add to cartWhat enzyme is used by the gluconeogenic pathway but NOT in the glycolytic pathway? - ANSWERSPhosphoenolpyruvate Carboxykinase PEPCK Newborn screening results show a biotinidase deficiency in a 2 day old infant. The deficiency impairs the infant's ability to reuse and recycle biotin. Due to the ...
Control fatty acid synthesis or oxidation: when insulin is HIGH-> - ANSWERSfatty acid synthesis Control fatty acid synthesis or oxidation: When glucagon is HIGH-> - ANSWERSLipolysis, fatty acid B-oxidation and ketogenesis Lipolysis - ANSWERSprocess of releasing free fatty acids from tr...
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Add to cartControl fatty acid synthesis or oxidation: when insulin is HIGH-> - ANSWERSfatty acid synthesis Control fatty acid synthesis or oxidation: When glucagon is HIGH-> - ANSWERSLipolysis, fatty acid B-oxidation and ketogenesis Lipolysis - ANSWERSprocess of releasing free fatty acids from tr...
Myoglobin was an example protein when the video started talking about folding. Myoglobin is found in large amounts in _____________________. A) muscle B) brain C) fat D) skin - ANSWERSA) muscle Coenzymes such as water-soluble vitamins are needed in only small amounts because A) each vitamin ...
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Add to cartMyoglobin was an example protein when the video started talking about folding. Myoglobin is found in large amounts in _____________________. A) muscle B) brain C) fat D) skin - ANSWERSA) muscle Coenzymes such as water-soluble vitamins are needed in only small amounts because A) each vitamin ...
Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the affinity of hemoglobin for oxygen? - ANSWERSIncrease in 2,3 bisphosphoglycerate (BPG) A decreased affinity will increase the rate of oxygen delivery to the ti...
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Add to cartChanges in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the affinity of hemoglobin for oxygen? - ANSWERSIncrease in 2,3 bisphosphoglycerate (BPG) A decreased affinity will increase the rate of oxygen delivery to the ti...
which of the following is the regulatory enzyme for fatty acid synthesis? - ANSWERSacetyl CoA carboxylase an increase in the ratio of insulin to glucagon will increase the activity of which of the following enzymes - ANSWERSacetyl CoA carboxylase, phosphofructokinase 2, glycogen synthase insul...
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Add to cartwhich of the following is the regulatory enzyme for fatty acid synthesis? - ANSWERSacetyl CoA carboxylase an increase in the ratio of insulin to glucagon will increase the activity of which of the following enzymes - ANSWERSacetyl CoA carboxylase, phosphofructokinase 2, glycogen synthase insul...
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