100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
UNE Biochemistry Unit 3 $14.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. UNE Biochemistry
  4.  
  5. UNE Biochemistry

Exam (elaborations)

UNE Biochemistry Unit 3
 4 views  0 purchase
  • Course
  • UNE Biochemistry
  • Institution
  • UNE Biochemistry

UNE Biochemistry Unit 3 Which of the following lipoproteins distributes dietary lipids? chylomicron The interaction of chylomicrons with lipoprotein lipase is stimulated by which of the following Apo proteins? ApoC II Nascent chylomicrons are synthesized in which tissue? Intestine Bile sal...

[Show more]

Preview 3 out of 24  pages

Document information

  • November 27, 2023
  • 24
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • une biochemistry unit 3 which of the following li

Written for

  • UNE Biochemistry
All documents for this subject (326)

Seller

avatar-seller
LectDan

Reviews received

Content preview

UNE Biochemistry Unit 3
Which of the following lipoproteins distributes dietary lipids?
chylomicron
The interaction of chylomicrons with lipoprotein lipase is stimulated by which of
the following Apo proteins?
ApoC II
Nascent chylomicrons are synthesized in which tissue?
Intestine
Bile salts are synthesized from cholesterol and are used for the emulsification of
dietary lipids. What is the primary fate of bile salts during digestion?
They are reabsorbed in the ileum
Nascent chylomicrons interact with HDL particles and obtain which of the
following Apo protiens?
ApoCII and ApoE
The activity of pancreatic lipase is inhibited by which of the following
compounds?
Bile salts
Which of the following statements regarding lipid digestion and absorption is
true?

A. The products of lipid digestion travel in the circulatory system in the form of
micelles.

B. The products of lipid digestion diffuse into capillaries in the vicinity of the
intestinal epithelium.

C. Pancreatic lipase emulsifies lipids.

D. The products of lipid digestion are resynthesized into triacylglycerols in
intestinal epithelial cells.

E. In the absence of bile salts, no digestion of lipids would occur.
The products of lipid digestion are resynthesized into triacylglycerols in intestinal
epithelial cells.
Under fasting conditions (Ratio of insulin to glucagon <1), elevated glucagon will
activate which of the following enzymes?
Hormone sensitive lipase
VLDL particles are characterized by which of the following apoproteins?
Apo B 100
An increase in insulin leads to which of the following metabolic shifts?
Acetyl CoA carboxylase will become dephosphorylated and active
Biotin is a cofactor required for which of the following enzymes?
A and B (Acetyl CoA carboxylase and Pyruvate carboxylase)
The first step in fatty acid synthesis is the formation of ________ from acetyl CoA
and carbon dioxide.

,malonyl CoA
Insulin increases the activity of all of the following enzymes except:
Hormone sensitive lipase
Which of the following is the regulatory enzyme for fatty acid synthesis?
AcetylCo A carboxylase
Which of the following is the regulated step of fatty acid synthesis in eukaryotes?

A. Carboxylation of acetyl CoA

B. Transportation of mitochondrial acetyl CoA into the cytosol

C. Assembly of the fatty acid chain

D. All of the above
Carboxylation of acetyl CoA
Under conditions of starvation, all of the following are true except:


A. the brain will preferentially be oxidizing ketones

B. hormone sensitive lipase will be phosphorylated

C. AMP kinase will be active

D. Malonyl CoA will be elevated
Malonyl CoA will be elevated
Which of the following proteins is responsible for the transfer of ApoB48 to
nascent chylomicrons before secretion into circulation?
Microsomal transfer protein (MTP)
The process of β-oxidation generates all of the following compounds except:

A. Acetyl CoA

B. NADPH

C. NADH

D. FADH2
NADPH
During the fasted state, lipolysis is facilitated by the action of hormone sensitive
lipase. This enzyme requires which of the following post - translational
modification for activation?
Phosphorylation
Adiponectin is secreted from adipocytes. One of the primary roles of adiponectin
is to activate AMPK in skeletal muscle which enhances the activity of which of the
following pathways?

, β oxidation
When the processes of glucose oxidation is elevated, the acetyl CoA produced
will allosterically activate which of the following enzymes leading to an increase
in the production of oxaloacetate?
Pyruvate carboxylase
The process of ketogenesis refers to the conversion of acetyl CoA to which of the
following compounds?
β-hydroxybutyrate
The transport of newly synthesized fatty acids to the adipose requires all of the
following except:

A. Interaction of ApoCII with lipoprotein lipase

B. Transport of triacylglycerols from the liver using VLDLs

C. Synthesis of triacylglycerol using glycerol 3-phosphate

D. Carnitine to shuttle the fatty acids out of the mitochondria
Carnitine to shuttle the fatty acids out of the mitochondria
In the case of a deficiency of biotin, which of the following enzymes required for
fatty acid synthesis will be impaired?
Acetyl CoA carboxylase
Which of the following compounds is the substrate for the synthesis of coritsol?

A. Cholesterol

B. Free fatty acids

C. Glucose

D. Amino acids
Cholesterol
Under cellular conditions when cholesterol is low, which of the following is a true
statement regarding the sterol response element binding protein ?
It will be associated with the the sterol response element (SRE) in the DNA
HDL particles are characterized by the presence of which apoprotein:

A. Apo B 100

B. Apo B48

C. ApoA

D. ApoCII
ApoA

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller LectDan. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.99
  • (0)
  Add to cart