Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
expand_more
expand_more
format_list_bulleted
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 4 steps
Knowledge Booster
Similar questions
- Why would LDH be up- or down-regulated depending on location of cancer cells? Anaerobic cancer cells enhance rates of ATP production and rely on pyruvate to lactate conversion. LDH5 expressed can vary in favoring pyruvate for conversion to lactate (anaerobic metabolism). Aerobic compartments in newly formed fibrobasts and vessels use lactate to convert to pyruvate for oxidative phosphorylation and favor lactate conversion to pyruvate by LDH1 (aerobic metabolism). Lactate dehydrogenase is upregulated in both cancer cells and supporting stroma and vessels, thus only LDH5 is upregulated showing enhanced expression levels and thus presence at the plasma membrane to increase levels of lactate for export, LDH1 levels are always consistent. LDH1 is upregulated in response to the export of lactate by MCT1, while LDH5 is down-regulated Neither LDH1 or LDH5 are both consistently expressed, regardless of oxygen levelsarrow_forwardWhy does epinephrine stimulate glycolysis? I know why epinephrine stimulates glycogenolysis which is to release glucose stores. But epinephrine stimulating glycolysis seems counterintuitive as it would synthesize less glucose and more pyruvate?arrow_forwardMany diabetics do not respond to insulin because of a deficiency of insulin receptors on their cells. How does this aff ect (a) the levels of circulating glucose immediately after a meal and (b) the rate of glycogen synthesis in muscle?arrow_forward
- The main enzyme of glycogen degradation is [Select] is low, this enzyme is activated by [Select] [Select] When blood glucose in response to the hormonearrow_forwardvny can acetone sometimes be detected in the breath of patients with type 1 diabetes? A. Glucagon signaling is faulty, leading to an excess of oxaloacetate, which enables acetyl-CoA to enter the citric acid cycle, therefore resulting in the production of ketone bodies including acetone OB. Insulin signaling is faulty, so excess malonyl-CoA is generated, which leads to excess acetyl-CoA from beta oxidation Oc. None of the other answers is correct OD. Insulin signaling is correct, but excess acetyl-CoA is generated anyway, leading to the production of ketone bodies including acetone O E. Insulin signaling is faulty, fatty acids are catabolized to acetyl- COA despite high blood glucose, and excess acetyl-CoA is converted to ketone bodies,arrow_forwardGluconeogenesis occurs in liver and kidney. Which is of the following enzyme are important for gluconeogenesis are expressed exclusively in these tissues? Select one: a. Glucose-6-phosphatase b. Fructose-1,6-Bisphosphatase c. Phosphoenolpyruvate carboxykinase d. Pyruvate carboxylasearrow_forward
- Glucose can be made from oxaloacetate during gluconeogenesis, but if oxaloacetate concentrations are decreased,what other substance can be used to make glucose? How might this contribute to increased fat loss?arrow_forwardWhich of the following glycolytic enzymes catalyzes the conversion of fructose-1,6-bisphosphate into the two product molecules dihydroxyacetone phosphate, and glyceraldehyde-3-phosphate? phosphoglycerate kinase pyruvate kinase malate dehydrogenase aldolase phosphofructokinasearrow_forwardWhich of the following statements is true for the shown reactions? Deficiency of oxaloacetate stimulates the formation of X and y Insulin signaling stimulates the formation of X and Y Both A and B Neither A nor Barrow_forward
- Glucagon The function of glucagon is in promoting energy release and inhibiting energy storage in response to low circulating glucose levels, which are largely controlled by insulin [24]. Besides its role in blood–glucose regulation, patients treated with glucagon receptor an tagonists (GRA) often suffer from dyslipidemia, fatty liver and weight gain, suggesting that glucagon play an important role in lipid metabolism [25]. Glucagon acts mainly on the hepatocytes which possess the highest level of glucagon receptors. Following mecha nisms may be involved during this process: (1) At the molecular level, following glucagon binding to its receptor on the hepatocyte, cAMP will be activated and accumulated, which in turn activates cAMP-response element-binding protein (CREB). As a result, the tran scription of carnitine acyl transferase (CPT-1) increases, which converts fatty acids into acylcarnitine and activates β-oxidation-increasing fatty acid catabolism [26]. In addition,…arrow_forwardPlase answer this question and the highlighted question is wrong , provide me a explanation why it is wrong and correct answer.arrow_forwardWhich changes would be expected in a normal human after a meal rich in carbohydrates (select all that apply)? O increased secretion of the pancreatic hormone, insulin O increased glucose uptake in myocytes via glucose transporters increased activity of glucose 6-phosphatase in hepatocytes O increased activity of the liver enzyme, glucokinase O increased activity of GSK-3 in both myocytes and hepatocytesarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- BiochemistryBiochemistryISBN:9781319114671Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.Publisher:W. H. FreemanLehninger Principles of BiochemistryBiochemistryISBN:9781464126116Author:David L. Nelson, Michael M. CoxPublisher:W. H. FreemanFundamentals of Biochemistry: Life at the Molecul...BiochemistryISBN:9781118918401Author:Donald Voet, Judith G. Voet, Charlotte W. PrattPublisher:WILEY
- BiochemistryBiochemistryISBN:9781305961135Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougalPublisher:Cengage LearningBiochemistryBiochemistryISBN:9781305577206Author:Reginald H. Garrett, Charles M. GrishamPublisher:Cengage LearningFundamentals of General, Organic, and Biological ...BiochemistryISBN:9780134015187Author:John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. PetersonPublisher:PEARSON
Biochemistry
Biochemistry
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:W. H. Freeman
Lehninger Principles of Biochemistry
Biochemistry
ISBN:9781464126116
Author:David L. Nelson, Michael M. Cox
Publisher:W. H. Freeman
Fundamentals of Biochemistry: Life at the Molecul...
Biochemistry
ISBN:9781118918401
Author:Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:WILEY
Biochemistry
Biochemistry
ISBN:9781305961135
Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:Cengage Learning
Biochemistry
Biochemistry
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Cengage Learning
Fundamentals of General, Organic, and Biological ...
Biochemistry
ISBN:9780134015187
Author:John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:PEARSON