Which of the following would be associated with HIGH glycolysis rate? Activation of adenylate cyclase Decreased...
Homework Answers
Solution:- Activation of adenylate cyclase.
Increased cAMP levels .
Binding of cAMP to PKA.
Exercise. Can associated with high glycolysis rate.
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Which of the following would be associated with HIGH
glycolysis rate?
Activation of adenylate cyclase
Decreased...
Which of the following would be associated with HIGH glycolysis rate? Increased camp levels High free energy charge Dec...
Which of the following would be associated with HIGH glycolysis rate? Increased camp levels High free energy charge Decreased levels of F-1,6-BP Binding of protein G to GTP Decreased phosphoprotein phosphatase activity Decreased insulin levels Fasting Unphosphorylated pyruvate kinase
8.) which of the following statements does not describe heterotrimeric g proteins involved in the adenylate...
8.) which of the following statements does not describe heterotrimeric g proteins involved in the adenylate cyclase signaling pathway? a. binding to adenylate cyclase triggers the hydrolysis of PIP2 b. consist of three subunits, Galpha, Gbeta, and Ggamma c. can function as a mediator to adenylate cyclase activity d. are anchored to the cytoplasmic side of the membrane e. activates adenylate cyclase by binding to its C2a subunit 9.) which of the following is not associated with the cAMP binding...
The intracellular concentrations of cAMP in Escherichia coli are controlled by adenylate cyclase, which is encoded...
The intracellular concentrations of cAMP in Escherichia coli are controlled by adenylate cyclase, which is encoded by the Cya gene. Withdrawal of the glucose from the growth medium causes a reduction of ATP and a dramatic stimulation of the cyclase activity and the production of cAMP. Consider two E. coli strains with the following genotypes, where “+” indicates a wild-type gene with normal function and “-” indicates a loss-of-function allele: Strain A: Cya- CAP+ I+ P+ O+ Z- Y+ Strain...
A complex signaling pathway in yeast allows the cells to accumulate high concentrations of glycer...
A complex signaling pathway in yeast allows the cells to accumulate high concentrations of glycerol if they are exposed to high extracellular concentration of salt or glucose. The increased osmolarity of the extracellular medium activates Ras, which in turn activates adenylate cyclase. A second pathway, the HOG (high osmolarity glycerol) pathway activates the MAP kinase pathway. The target protein is the enzyme PFK2, which is activated by phosphorylation. (PFK2 produces an allosteric regulator that activates glycolysis, which ultimately produces glycerol.)...
A. B. C. D. E. F. Thank you receptors induce activation of adenlyate cyclase, which creates...
A. B. C. D. E. F. Thank you
receptors induce activation of adenlyate cyclase, which creates the second messenger(s) O G-Protein Coupled, CAMP O Tyrosine Kinase, CAMP OTyrosine Kinase, IP3 and DAG G-Protein Coupled, IP3 and DAG Which of the following is most likely to be activated by a small hydrophobic signal? OIntracellular receptor Receptor Tyrosine Kinase O G-Protein Coupled Receptor Ligand-Gated lon Channel Which of the following types of receptors require dimerization for activation? (Select any/all that apply) OLigand-gated...
Q5. The phosphorylase enzyme, which is involved in breakdown of glycogen to glucose, is controlled by...
Q5. The phosphorylase enzyme, which is involved in breakdown of glycogen to glucose, is controlled by both allosteric mechanisms and posttranslational modification. A) Describe how the T to R transition and activity of glycogen phosphorylase would change under the following conditions: i) high AMP levels and activation of phosphoprotein phosphatase, ii) activation of phosphorylase kinase, ili) activation of phosphorylase kinase and high glucose levels. B) What properties would an uncompetitive inhibitor of glycogen phosphorylase have, what would the Lineweaver Burk...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase a? A. CAMP-dependent protein kinase B. phosphorylase kinase C. protein kinase A D. adenylate kinase E phosphoprotein phosphatase The biotin prosthetic group of pyruvate carboxylase is covalently attached to a residue of the enzyme ? A. Vakine B. serine C. lysine D. arginine E. the biotin is attached non-covalently Which of the following serves as the energy source for the metabolic conversion of oxaloacetate...
Which one of the following conditions would increase the synthesis of fatty acids? a. A decrease...
Which one of the following conditions would increase the synthesis of fatty acids? a. A decrease in the insulin/glucagon ratio b. A decrease in the levels of cytosolic citrate c. An increase in the activity of the carnitine shuttle d. a decrease level of malonyl-SCoA e. A decreased activity of isocitrate dehydrogenase I keep researching this questions and end up with concluding that none of the choices are right. Please help thanks.
Which of the following conditions would result from hypo-secretion of aldosterone? A) dehydration B) decreased heart...
Which of the following conditions would result from hypo-secretion of aldosterone? A) dehydration B) decreased heart rate C) increased basal metabolic rate D) decreased airway dilation
Question 37 Which of the following increases oxygen unloading? decreased BPG e decreased pCO2 in the...
Question 37 Which of the following increases oxygen unloading? decreased BPG e decreased pCO2 in the plasma All of these answers are correct. increased blood pH increased body temperature Question 38 What is a classic scenario, as described in class, where oxygen unloading would be increased? while eating food during exercise during tidal volume breathing while drinking water divas → XCIO D Question 39 Which of the following is FALSE regarding breathing? It requires skeletal muscles for normal, quiet exhalation....
A. B. C. D. E. F. Thank you
receptors induce activation of adenlyate cyclase, which creates the second messenger(s) O G-Protein Coupled, CAMP O Tyrosine Kinase, CAMP OTyrosine Kinase, IP3 and DAG G-Protein Coupled, IP3 and DAG Which of the following is most likely to be activated by a small hydrophobic signal? OIntracellular receptor Receptor Tyrosine Kinase O G-Protein Coupled Receptor Ligand-Gated lon Channel Which of the following types of receptors require dimerization for activation? (Select any/all that apply) OLigand-gated...
Q5. The phosphorylase enzyme, which is involved in breakdown of glycogen to glucose, is controlled by both allosteric mechanisms and posttranslational modification. A) Describe how the T to R transition and activity of glycogen phosphorylase would change under the following conditions: i) high AMP levels and activation of phosphoprotein phosphatase, ii) activation of phosphorylase kinase, ili) activation of phosphorylase kinase and high glucose levels. B) What properties would an uncompetitive inhibitor of glycogen phosphorylase have, what would the Lineweaver Burk...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase a? A. CAMP-dependent protein kinase B. phosphorylase kinase C. protein kinase A D. adenylate kinase E phosphoprotein phosphatase The biotin prosthetic group of pyruvate carboxylase is covalently attached to a residue of the enzyme ? A. Vakine B. serine C. lysine D. arginine E. the biotin is attached non-covalently Which of the following serves as the energy source for the metabolic conversion of oxaloacetate...
Question 37 Which of the following increases oxygen unloading? decreased BPG e decreased pCO2 in the plasma All of these answers are correct. increased blood pH increased body temperature Question 38 What is a classic scenario, as described in class, where oxygen unloading would be increased? while eating food during exercise during tidal volume breathing while drinking water divas → XCIO D Question 39 Which of the following is FALSE regarding breathing? It requires skeletal muscles for normal, quiet exhalation....
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