16 Questions
What is the major dietary and storage lipid in the body?
Triacylglycerols
Which hormone promotes the storage of triacylglycerols in adipose tissue?
Insulin
What is the main role of triacylglycerols in the body?
Fuel storage
Which of the following hormones reduces the storage of triacylglycerols?
Glucagon
Apart from cholesterol, what other lipid is involved in steroid hormone synthesis?
Cholesterol esters
Which enzyme is responsible for hydrolyzing triacylglycerols in the small intestine?
Pancreatic lipase
What type of fatty acids are the most common in the body?
Saturated
Which hormones activate hormone-sensitive lipase for hydrolyzing triacylglycerols in stress situations?
Glucagon
Why can't red blood cells oxidize fatty acids?
Absence of mitochondria
Which vitamin is involved in the complex molecule Coenzyme A?
Vitamin B5
What inhibits the transport of activated fatty acids into mitochondria?
Malonyl-CoA
What is the fate of most of the dietary carbohydrate and protein consumed in excess?
Esterification to triacylglycerols for storage in adipose tissue
What inhibits the enzyme responsible for synthesizing fatty acids from acetyl-CoA?
AMP
"Beta-oxidation" refers to the oxidation of:
$\text{Fatty acids}$
"Esterification" refers to the process of converting:
$\text{Excessive carbohydrate and protein}$ to triacylglycerols for storage
Why does fatty acid oxidation not occur in cells of the central nervous system?
Fatty acids do not readily cross the Blood-Brain Barrier
Explore the diverse nature of lipids and their role in the body, including different classes such as fatty acid derivatives, phospholipids, and eicosanoids. Learn about the functions of lipids as fuel molecules, fuel storage, membrane components, and local mediators.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
