In the fasted state, how are stored lipids (in adipose tissue) mobilized so that free fatty acids are available for energy metabolism? Be specific with names and processes of catecholamines and lipases that are necessary for this process. (2pts)
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Step 1: In the fasted state, catecholamines such as epinephrine and norepinephrine are released and bind to β-adrenergic receptors on adipose tissue cells, activating adenylate cyclase. Show more…
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1. In the fasted state, how are stored lipids (in adipose tissue) mobilized so that free fatty acids are available for energy metabolism? Be specific with names and processes of catecholamines and lipases that are necessary for this process. 2. Beginning with short-chain fatty acids entering the blood and chylomicrons entering the lymphatic system, discuss the role of lipoproteins (including chylomicrons, VLDL, LDL, and HDL) for the transport of lipids throughout the body. Be sure to discuss the lipase that is critically important for this process, and include the fate of liberated free fatty acids, chylomicron remnants, VLDL remnants, and cholesterol in your response.
Adi S.
How are these lipid stores mobilized?
Fat mobilization is the breakdown of fats in adipose tissue into metabolic products that enter the bloodstream. Place the steps of fat mobilization in order. You will not use all of the steps. Body needs energy for activity. Fatty acids transported to tissues. Answer Bank: triacylglycerols (triglycerides) are degraded to phosphate and three fatty acids. metabolic products enter bloodstream. body releases epinephrine. epinephrine binds to fat cells in adipose tissue. triacylglycerols (triglycerides) are hydrolyzed to glycerol and fatty acids. glycerol is transported by LDL to liver for processing. insulin stimulates fat mobilization.
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