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#glucose metabolism

8 public questions tagged with this topic.

ZOOLOGY

Which hormone secreted by the adrenal cortex regulates glucose metabolism?

Cortisol is a glucocorticoid that regulates glucose metabolism by stimulating gluconeogenesis. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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Cell Organelles

Which enzyme is found inside the smooth ER for glucose metabolism?

Maintaining blood glucose between meals requires hepatic glucose output via glycogen breakdown and gluconeogenesis. Both pathways converge on glucose-six-phosphate cytosolic that cannot exit cell due to charge; final dephosphorylation occurs inside endoplasmic reticulum lumen by glucose-six-phosphatase complex composed of transporter T1 importing G6P, catalytic subunit facing lumen hydrolyzing to glucose and Pi, transporters T2 and T3 exporting Pi and glucose. Active site luminal protects against futile cycling by cytosolic hexokinase. Enzyme enriched in smooth ER of hepatocytes and kidney cor

Ref: Foster J Biol Chem; glucose-6-phosphatase ER lumen T1 translocase gluconeogenesis von Gierke.

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A Cell Signaling

Which of the following is NOT associated with insulin action?

Enhanced lipolysis in adipose tissue, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Cell Signaling ELR Pathways - I

Major IRS proteins involved in insulin signaling are:

IRS-1 and IRS-2, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Bioenergetics

The conversion of glucose to pyruvate in glycolysis is:

Exergonic is the scientifically accurate answer to this question. Within the study of Bioenergetics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Exergonic directly address what is being asked. Among the other options, Endergonic, At equilibrium, and Irreversible do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.

Ref: Campbell Biology, Urry et al., 12th Ed.

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