UNE CHEM 1005 Unit 3 Exam Questions
With Complete Solutions
Which of the following lipoproteins is responsible for carrying
cholesterol from peripheral tissues (i.e skeletal muscle) back to
the liver? correct answer: HDL
What is the primary role of LCAT (Lecithin-cholesterol
acyltransferase)? correct answer: To esterify cholesterol
transported by HDL
Which enzyme is responsible for transferring triacylglycerol
from VLDL to HDL in exchange for cholesterol? correct
answer: LCAT (Lecithin-Cholesterol Acyltransferase)
Which of the following lipoproteins is responsible for the
transport of dietary triacylglycerols in the blood? correct answer:
Chylomicrons
Several hours after a high carbohydrate meal, the newly
synthesized triacylglycerols in the liver will be packaged into
which of the following lipoproteins? correct answer: VLDL
When LDL is taken up by a cell, it will have which of the
following impacts to intracellular cholesterol? correct answer:
Increase in intracellular cholesterol; Decrease on de novo
cholesterol synthesis
, Which of the following apoproteins is required for activation of
lipoprotein lipase? correct answer: ApoCII
Which of the following apoproteins is present on an LDL
particle and required for uptake by peripheral tissues? correct
answer: ApoB 100
Which of the following is the full complement of apoproteins
present on VLDLs? correct answer: ApoB100; ApoCII; ApoE
Which of the following lipoproteins contains ApoA and
ApoCII? correct answer: HDL
Elevated levels of acetyl CoA can be converted into ketone
bodies and can potentially be used as fuel by all of the following
tissues except: correct answer: liver
High levels of acetyl CoA within the mitochondria will
stimulate the activity of which of the following enzymes?
correct answer: Pyruvate carboxylase
When citrate is shuttled out of the mitochondria for fatty acid
synthesis, the initial reaction by citrate lyase generates which of
the following products? correct answer: AcetylCoA and
oxaloacetate
Fatty acid beta oxidation generates several products. Which of
the following are direct products of beta oxidation?
1. NADH
2. FADH2
3. AcetylCoA
With Complete Solutions
Which of the following lipoproteins is responsible for carrying
cholesterol from peripheral tissues (i.e skeletal muscle) back to
the liver? correct answer: HDL
What is the primary role of LCAT (Lecithin-cholesterol
acyltransferase)? correct answer: To esterify cholesterol
transported by HDL
Which enzyme is responsible for transferring triacylglycerol
from VLDL to HDL in exchange for cholesterol? correct
answer: LCAT (Lecithin-Cholesterol Acyltransferase)
Which of the following lipoproteins is responsible for the
transport of dietary triacylglycerols in the blood? correct answer:
Chylomicrons
Several hours after a high carbohydrate meal, the newly
synthesized triacylglycerols in the liver will be packaged into
which of the following lipoproteins? correct answer: VLDL
When LDL is taken up by a cell, it will have which of the
following impacts to intracellular cholesterol? correct answer:
Increase in intracellular cholesterol; Decrease on de novo
cholesterol synthesis
, Which of the following apoproteins is required for activation of
lipoprotein lipase? correct answer: ApoCII
Which of the following apoproteins is present on an LDL
particle and required for uptake by peripheral tissues? correct
answer: ApoB 100
Which of the following is the full complement of apoproteins
present on VLDLs? correct answer: ApoB100; ApoCII; ApoE
Which of the following lipoproteins contains ApoA and
ApoCII? correct answer: HDL
Elevated levels of acetyl CoA can be converted into ketone
bodies and can potentially be used as fuel by all of the following
tissues except: correct answer: liver
High levels of acetyl CoA within the mitochondria will
stimulate the activity of which of the following enzymes?
correct answer: Pyruvate carboxylase
When citrate is shuttled out of the mitochondria for fatty acid
synthesis, the initial reaction by citrate lyase generates which of
the following products? correct answer: AcetylCoA and
oxaloacetate
Fatty acid beta oxidation generates several products. Which of
the following are direct products of beta oxidation?
1. NADH
2. FADH2
3. AcetylCoA
