Answer :
The substance which emulsifies fat is bile [ option a ] . Bile breaks large fat globules into smaller droplets, increasing the surface area for lipases to act on.
The liver secretes bile, which is stored in the gallbladder. It is necessary for the digestion of fats.
- Typically, dietary lipids arrive in the small intestine as large globules.
- Bile salts in bile have both a hydrophobic and hydrophilic side, which permits them to break these huge fat globules into more modest drops in a cycle called emulsification.
- Because of this, the lipids now have a larger surface area, making them easier for the pancreatic juice-based enzyme lipases to digest.
The smaller fat droplets are then broken down by these lipases into fatty acids and glycerides that the body can absorb.
Final answer:
The substance that emulsifies fat is bile, which is secreted by the liver. It breaks down large lipid globules into smaller ones in the small intestine, facilitating efficient digestion. Option a
Explanation:
The substance that emulsifies fat is bile. Emulsification happens when large lipid globules are broken down into smaller lipid globules, a process that is essential for digestion. Lipids are hydrophobic, meaning they don't dissolve in water, and the digestive process occurs in the watery environment of the small intestine.
Therefore, these large lipid globules must be broken down into smaller ones for digestion to be possible, a task that bile accomplishes.
Bile is a mixture secreted by the liver and contains bile salts and bile acids. These components help in emulsifying large lipid globules in the small intestine, making them more easily digestible by enzymes such as pancreatic lipase.
Emulsification increases the available surface area of the lipids many fold. This allows the digestive enzymes to act on the lipids more efficiently and digest them. The digested lipids then enter the epithelial cells of the intestinal lining. Option a
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