Lipids

Which of the following is characteristic of a saturated fatty acid?

• no double bonds

• one double bond

• more than one double bond

Which of the following is characteristic of a polyunsaturated fatty acid?

• no double bonds

• one double bond

• more than one double bond

Which of the following is an essential fatty acid?

• palmitic acid

• linoleic acid

• stearic acid

• oleic acid

Which of the following is a good source of PUFAs?

• red meat

• dairy products

• plant oils

• eggs

Cholesterol is important for the synthesis of all of the following:

• vitamin D

• steroid hormones

• bile salts

• Cholesterol is used to synthesize all of these important substances

What does the hormone cholecystokinin do?

• turns pepsinogen into pepsin

• stimulates the gallbladder to release bile

• stimulates the gallbladder to store bile

• breaks down lipids in the stomach

Tags

NGSS.MS-LS1-7

Why must lipids be transported throughout circulation via lipoproteins?

• lipids are lazy

• lipids are hydrophobic and our blood is an aqueous solution

• lipids are hydrophilic and our blood is an aqueous solution

• lipids are lipophobic and our blood is an aqueous solution

Which of the following is composed of the greatest percentage of triglycerides?

• VLDL

• IDL

• LDL

• HDL

Which of the following is composed of the greatest percentage of cholesterol?

• chylomicron

• VLDL

• IDL

• LDL

Which enzyme allows the lipoprotein to transfer fatty acids to the tissues for energy/adipocytes for storage?

• lipoprotein lipase

• hormone sensitive lipase

• cholecystokinin

• lipase