MCQ Bank
Fats and oils are esters of fatty acids with:
- A) Glycerol
- B) Monohydric Alcohol
- C) Phosphoric acid residue
- D) Triglycerides
The correct statement concerning essential fatty acids is:
- A) The most essential fatty acid is sphingosine
- B) There are no essential fatty acids for human beings
- C) Essential fatty acids are only found in animal fat
- D) Linoleic Acid and Alpha Linolenic Acid are two fatty acids that must be ingested
Fatty acids that occur in natural fats usually contain an even number of carbon atoms ranging from:
- A) 4 to 38 carbons (C4 to C38)
- B) 4 to 32 carbons (C4 to C32)
- C) 4 to 30 carbons (C4 to C30)
- D) 4 to 36 carbons (C4 to C36)
Glycolipids (glycosphingolipids) contain:
- A) Lipids containing sphingosine, and carbohydrate
- B) Lipids containing fatty acid
- C) Lipids containing fatty acid, sphingosine, and carbohydrate
- D) Lipids containing fatty acid and carbohydrate
When double bonds are present in the fatty acid chain, they are nearly always in the:
- A) cis configuration
- B) cis-trans configuration
- C) trans-cis configuration
- D) trans configuration
The essential fatty acid linoleic acid, 18:2 Δ9, 12 is:
- A) ω-2 fatty acid
- B) ω-3 fatty acid
- C) ω-6 fatty acid
- D) ω-5 fatty acid
The 16-carbon saturated palmitic acid is abbreviated:
- A) 16:3
- B) 16:2
- C) 16:0
- D) 16:1
Fatty acid chains that contain no double bonds are called:
- A) poly-unsaturated
- B) saturated
- C) unsaturated
- D) poly-unsaturated
Phospholipids frequently have nitrogen-containing bases and other substituents are:
- A) Glycerophospholipids the alcohol is glycerol.
- B) None of any option
- C) Both: Glycerophospholipids the alcohol is glycerol and in Sphingophospholipids the alcohol is sphingosine
- D) Sphingophospholipids the alcohol is sphingosine
___________________are major structural elements of biological membranes.
- A) Fats and oils
- B) Nonpolar lipids
- C) Adipose tissue Fat
- D) Phospholipids and sterols
Oleic acid is an 18 carbon ______________ fatty acid.
- A) saturated
- B) poly-unsaturated
- C) mono-unsaturated
- D) mono-saturated
Glycosphingolipids are the lipids containing:
- A) sphingosine and carbohydrate
- B) glycerol
- C) fatty acid, sphingosine, and carbohydrate
- D) fatty acid and sphingosine