When the body runs out of glucose, the brain, heart, and skeletal muscle can use
ID: 1069211 • Letter: W
Question
When the body runs out of glucose, the brain, heart, and skeletal muscle can use ketone bodies for their metabolic needs. When this happens, the body switches over to a metabolic state known as ketosis. Ketone bodies are made in the liver by combining acetyl CoA groups together.
Sort the following molecules based on whether or not they are biologically occurring ketone bodies.
Drag each item to the appropriate bin.
Bin #1: Biological Ketone Bodies Bin #2: Nonbiological ketones
A. acetone
B. 2-pentanone
C. B-hydroxybutyrate
D. ethyl methyl ketone
E. 2-butanone
F. acetoacetate
Explanation / Answer
Ketone bodies
Classification of biological and nonbiological ketones
Bin#1 : Biological ketone bodies
A. acetone
C. B-hydroxybutyrate
F. acetoacetate
Bin#2 : nonbiological ketone bodies
B. 2-pentanone
D. ethyl methyl ketone
E. 2-butanone
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