MSCI522 Glucose Homeostasis Report Spring 2025 LUOA

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Course MSCI 522 (Spring 2025) - Principles of Physiology II
Lesson Glucose Homeostasis
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Energy substrates and stores

Which of the following energy substrates can be used in catabolism to generate ATP?

Can generate ATP

Amino acids Fatty acids
Cholesterol Fructose
Fatty acids Glucose
Fructose Glycerol
Glucose Amino acids
Glycerol




Insulin and glucagon

Are the following statements regarding insulin and glucagon true or false?

True

As blood glucose concentration There is always some insulin and As b
decreases, more insulin and less glucagon in circulation, even decr
glucagon is released. when blood glucose
concentration is normal.
Insulin causes tissues to shift Ins
from generating energy stores to from

, Insulin signaling causes changes to each of the following metabolic pathways. Match each p


Gluconeogenesis Glycogenolysis




Glycogenesis Lipolysis




Glycogenolysis Glycogenesis




Lipogenesis Gluconeogenesis




Lipolysis Lipogenesis




The ow diagram below outlines how insulin release is triggered, and the e ects of insulin o
liver cells (hepatocytes), skeletal muscle cells, and adipose tissue (fat cells).

Use the metabolic pathways that you de ned above to complete the ow diagram.



Gluconeogenesis