Which of the following molecules are not involved in lipolysis within adipocytes? a. protein kinase A b. PEPCK c. adenylate cyclase d. perilipin-1
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Which of the following molecules are not involved in lipolysis within adipocytes?
a. protein kinase A
b. PEPCK
c. adenylate cyclase
d. perilipin-1
Step by step
Solved in 3 steps
- a. Name the phosphoinositide generated through the action of PI-5 kinase. b. Name the products generated by lipase action of the answer in a and specify which is hydrophobic and which is hydrophilic. c. Name the enzyme specifically responsible for the action described in b. d. Name the channel on the endoplasmic reticulum that is activated by the hydrophilic product listed in b. e. Name a protein activated by the hydrophobic product described in b.What would be the effect of a mutation that decreased the activity of phosphatidic acid phosphatase?Glucose-6-phosphatase is located inside the endoplasmic reticulum. Describe the probable symptoms of a defect in G6P transport across the endoplasmic reticulum membrane.
- A marker enzyme used to identify liver microsomes (ER fragments) after centrifugation is a. AMPK b. phosphodiesterase c. peroxidase d. glucose-6-phosphataseAn example of a glycerophospholipid that is involved in cell signaling is: O A. ceramide O B. arachidonic acid. OC. Vitamin A (retinol) O D. phosphatidylinositol 4,5-bisphosphate O E. testosterone CS Scanned with CamScannerGlucose can be transported into cells with a glucose/sodium symporter. If the extracellular concentration of sodium is always in excess to that of glucose, which of these manipulations would MOST increase the rate of glucose transport into a cell? A. increase in the extracellular concentration of sodium B. increase in the intracellular concentration of sodium C. increase in the extracellular concentration of glucose D. increase in the intracellular concentration of glucose
- Define the following terms: a. proteolytic cleavage b. proproteins c. preproproteins d. hydroxylation e. phosphorylationWhich type of transporter chemically alters glucose during passage across the membrane?. a. ABC transporter b. Glucose phosphotransferase system c. hexokinaseHow may the circulatory system influence how often, or low long, an organism goes into oxygen debt? When a patient arrives at a hospital, one frequent event is the drawing of blood for tests. One such test is the activity of creatine kinase. What may the purpose be of testing for the rate that blood samples can mediate the creatine kinase reaction? Compare and contrast lactic acid and b-hydroxybutarate.
- Which of the statements below regarding glyphosate are true? (Choose all true statements) A.Glyphosate interacts with EPSP synthase because it resembles the substrate S-3P B.The interaction of S-3P is necessary for glyphosate binding. C.Glyphosate likely binds to both conformations of EPSP synthase shown in question 7. D.Glyphosate decreases Km for S-3P and thus likely the increases the affinity of the enzyme for substrate E.Glyphosate likely increases feedback inhibition by the product of the reaction EPSPWhy is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell? Select one: a. This form is easier for cells to metabolize. b. The cells can easily excrete this molecule. c. Glucose can't diffuse out of the cell if it is in this form. d. It can now cross the plasma membrane. e. It becomes a long-term storage molecule for glucose.The correct enzyme involved in synthesizing atp from adp is: a. Kinase b. Protease c. Phosphorylase