Lecture 11 Part 1 - MC Flashcards
What are triglycerides made of?
A) Glycerol and proteins
B) Fatty acids and alcohol
C) Glycerol and fatty acids
D) Proteins and fatty acids
C
Which of the following functions is associated with visceral adipose tissue?
A) It confers taste to food.
B) It stores water-soluble vitamins.
C) It provides mechanical support for internal organs.
D) It produces high levels of ATP through oxidation.
C
In the formation of triglycerides, what type of reaction occurs between the fatty acids and glycerol?
A) Hydrogenation
B) Hydrolysis
C) Esterification
D) Decarboxylation
C
What is the role of triglycerides in relation to vitamins A, D, E, and K?
A) They break down these vitamins.
B) They act as carriers of these lipid-soluble vitamins.
C) They inhibit the absorption of these vitamins.
D) They convert these vitamins into water-soluble forms
B
Compared to glucose, how much ATP can be produced from the full oxidation of palmitate?
A) Less ATP than glucose
B) 32 ATP
C) 106 ATP
D) The same amount as glucose
C
What type of molecules are phospholipids described as?
A) Hydrophobic
B) Amphiphilic
C) Hydrophilic
D) Lipophobic
B
Which component is NOT part of the basic structure of phosphatidic acid?
A) Glycerol backbone
B) Two fatty acids
C) Three phosphate groups
D) One phosphate group
C
What is cholesterol primarily necessary for in animals?
A) Providing energy
B) Insulation against cold
C) Normal brain and nerve function
D) Mechanical support for organs
C
Which of the following is a correct step in the cholesterol synthesis pathway?
A) Conversion of glucose to mevalonate
B) Conversion of Acetyl-CoA to HMG-CoA
C) Conversion of fatty acids directly to squalene
D) Conversion of amino acids to cholesterol directly
B
How do statins function in relation to cholesterol synthesis?
A) They increase the conversion of HMG-CoA to mevalonate.
B) They promote the synthesis of Acetyl-CoA.
C) They inhibit the action of HMG-CoA reductase.
D) They enhance the conversion of squalene to cholesterol.
C
