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➷ The structure that provides the best surface for diffusion to occur is the bronchioles.
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➶ Hope This Helps You!
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Advancement in technology. For example, body odor on humans was considered attractive thousands of years ago. Now it's just considered a hassle and we try our best to get rid of the smell.
Every fatty acids has a long hydrocarbon chain (with even amounts of carbons, usually 16 or 18) and a carboxyl group.
glycerol is a 3-carbon molecule with 3 -OH groups.
fatty accids and glycerol can be connected by single or double bonds, depending on if the fatty acid is saturated or unsaturated.
when a lipid forms, the -COOH functional groups of 3 fatty acids react with -OH groups of glycerol.
this leaves 16, 18, or 20 carbons, making a triglyceride 16, 18, or 20 carbons long.
hope this helps!
