BBL - MODULE 3 QUESTIONS AND
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
If an omega-three fatty acid has has a carbon chain length of 18 carbons, what is the position of the
terminal double bond if counting from the carboxyl group of the fatty acid chain?
A. between carbons 12-13
B. between carbons 13-14
C. between carbons 14-15
D. between carbons 15-16 - ANSWER D
Choose the terms that accurately complete the following statement:
An oil composed of ______ fatty acids is more likely to be a _______ at room temperature than a (an)
_______ fatty acid with the same number of carbons in its hydrocarbon chain.
A. saturated - solid - unsaturated
B. saturated - liquid - essential
C. saturated - liquid - unsaturated
D. essential - solid - saturated - ANSWER A
Which of the following is considered an essential fatty acid (EFAs)?
A. arachidonic acid
B. alpha linolenic acid
C. palmitic acid
D. all of the above - ANSWER B
Your patient inquires what food sources provide essential fatty acids. You respond he/she can get EFAs
from the following foods:
A. Seeds
B. Cold water fish
,C. Vegetable oils
D. all of the above - ANSWER D
After a week of fasting, which of the following classes molecules does the brain utilize the most to
produce energy?
A. Carbohydrates
B. Fatty acids
C. Ketone bodies
D. Proteins - ANSWER C
Oxidation of fatty acids occurs in the
A. mitochondrial matrix
B. outer mitochondrial membranes
C. cytosol
D. intermembrane space
E. Golgi apparatus - ANSWER A
During starvation, energy is initially obtained from:
A. stored glycogen
B. dietary glucose
C. glucogenic amino acids
D. ketogenic amino acids - ANSWER A
Which of the following fatty acids requires an additional set of enzymes for oxidation by the
mitochondria?
A. odd-chain
B. unsaturated
C. polyunsaturated
D. All the above - ANSWER D
, The carnitine molecule is used by the carnitine shuttle of the mitochondria to:
A. act as a substitute for OAA
B. transfer 3-phophoglycerate across mitochondrial membrane
C. assist in the inner membrane transfer of fatty acids
D. all of the above - ANSWER C
Which of the following enzymes does aspirin inhibit?
A. Hexokinase
B. Lipoxygenase
C. Prostaglandin synthase
D. DG lipase - ANSWER C
What electron carrier is common to both fatty acid and cholesterol biosynthesis?
A. FAD+/FADH
B. NAD+/NADH
C. FMN+/FMNH
D. NADP+/NADPH - ANSWER D
Fatty acid synthesis occurs in which part of the cell
A. the mitochondrion
B. the cytoplasm
C. the nucleus
D. the membrane
E. the endoplasmic reticulum - ANSWER B
Which enzyme controls the committed step in fatty acid biosynthesis?
A. Carnitine acyl transferase
B. Fatty acid synthetase
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
If an omega-three fatty acid has has a carbon chain length of 18 carbons, what is the position of the
terminal double bond if counting from the carboxyl group of the fatty acid chain?
A. between carbons 12-13
B. between carbons 13-14
C. between carbons 14-15
D. between carbons 15-16 - ANSWER D
Choose the terms that accurately complete the following statement:
An oil composed of ______ fatty acids is more likely to be a _______ at room temperature than a (an)
_______ fatty acid with the same number of carbons in its hydrocarbon chain.
A. saturated - solid - unsaturated
B. saturated - liquid - essential
C. saturated - liquid - unsaturated
D. essential - solid - saturated - ANSWER A
Which of the following is considered an essential fatty acid (EFAs)?
A. arachidonic acid
B. alpha linolenic acid
C. palmitic acid
D. all of the above - ANSWER B
Your patient inquires what food sources provide essential fatty acids. You respond he/she can get EFAs
from the following foods:
A. Seeds
B. Cold water fish
,C. Vegetable oils
D. all of the above - ANSWER D
After a week of fasting, which of the following classes molecules does the brain utilize the most to
produce energy?
A. Carbohydrates
B. Fatty acids
C. Ketone bodies
D. Proteins - ANSWER C
Oxidation of fatty acids occurs in the
A. mitochondrial matrix
B. outer mitochondrial membranes
C. cytosol
D. intermembrane space
E. Golgi apparatus - ANSWER A
During starvation, energy is initially obtained from:
A. stored glycogen
B. dietary glucose
C. glucogenic amino acids
D. ketogenic amino acids - ANSWER A
Which of the following fatty acids requires an additional set of enzymes for oxidation by the
mitochondria?
A. odd-chain
B. unsaturated
C. polyunsaturated
D. All the above - ANSWER D
, The carnitine molecule is used by the carnitine shuttle of the mitochondria to:
A. act as a substitute for OAA
B. transfer 3-phophoglycerate across mitochondrial membrane
C. assist in the inner membrane transfer of fatty acids
D. all of the above - ANSWER C
Which of the following enzymes does aspirin inhibit?
A. Hexokinase
B. Lipoxygenase
C. Prostaglandin synthase
D. DG lipase - ANSWER C
What electron carrier is common to both fatty acid and cholesterol biosynthesis?
A. FAD+/FADH
B. NAD+/NADH
C. FMN+/FMNH
D. NADP+/NADPH - ANSWER D
Fatty acid synthesis occurs in which part of the cell
A. the mitochondrion
B. the cytoplasm
C. the nucleus
D. the membrane
E. the endoplasmic reticulum - ANSWER B
Which enzyme controls the committed step in fatty acid biosynthesis?
A. Carnitine acyl transferase
B. Fatty acid synthetase
