Bio1332 Biochemistry - Lecture Nineteen - Fatty Acid Metabolism
16 Questions
| Attempts: 772
To introduce fatty acids, triacylglycerol and phospholipids. Outline the mechanism and cellular localisation of energy production by fatty acid β-oxidation. Understand the purpose of the glyoxylate cycle in plants and microorganisms and appreciate the consequences for animals which lack this pathway. Describe the biosynthesis of fatty acids.
Questions and Answers
- 1.Describe 3 functions of fatty acids.Check your answer with the feedback section after you've submitted it.Your answer will not contribute to your final mark for this quiz.
- 2.Fatty acids normally have an odd number of carbon atoms.True or False?
- A.
True
- B.
False
- 3.Please fill answer below:Fatty acids are often conjugated with ________ to form lipids.
- 4.Please fill answer below:Triacylglycerol (TAG) consists of 3 fatty acids (acyl chains) linked by _____ bonds to glycerol.
- 5.Name the enzyme that catalyses TAG breakdown in adipose tissue.
- 6.Which of the following is true?Fatty acid activation costs the equivalent of...
- A.
2 ATPs
- B.
1 ATP
- C.
3 ATPs
- D.
4 ATPs
- 7.In which organelle are fatty acids oxidised?
- 8.7 rounds of β-oxidation yields...
- A.
106 ATP
- B.
16 ATP
- C.
100 ATP
- D.
10 ATP
- 9.Animals cannot convert acetyl coenzyme A into sugars, but plants and fungi can.True or False?
- A.
True
- B.
False
- 10.Please fill answer below: Although mammals are incapable of producing glucose from acetyl CoA, mammals can make glucose from _________.
- 11.Where does fatty acid synthesis occur?
- A.
The cytoplasm
- B.
The mitochondria
- C.
The ribosome
- D.
The nucleus
- 12.The first step in fatty acid synthesis is synthesis of __________________, catalysed by _________________.
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