Lipid Biosynthesis   Phospholipid Synthesis 1 Inositols & Glycerols

Lipid Biosynthesis Phospholipid Synthesis 1 Inositols & Glycerols

Assessment

Interactive Video

Science, Chemistry

University

Hard

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The video explains the conversion of phosphatidic acid into phospholipids, focusing on the synthesis of phosphatidyl choline, ethanolamine, and serine. It highlights the activation of head groups and the role of cytosine nucleotides. The video also discusses the interconversion of phospholipids and the unique metabolic pathways of choline.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of CDP in the activation of DAG?

It provides energy for the reaction.

It acts as a catalyst.

It deactivates DAG.

It activates DAG by binding to it.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of using CTP in lipid biosynthesis?

It is used for energy production.

It is used to activate molecules.

It is used to deactivate molecules.

It is used for bio signaling.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for phosphorylating choline?

Choline phosphatase

Choline kinase

Choline transferase

Choline synthase

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final product of the reaction catalyzed by CDP choline, DAG, choline phosphotransferase?

Diacylglycerol

Phosphatidyl ethanolamine

Phosphatidyl serine

Phosphatidyl choline

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is phosphatidyl ethanolamine converted to phosphatidyl choline?

By methylating the ethanolamine group

By removing a methyl group

By adding a phosphate group

By decarboxylating the ethanolamine group

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a fate of phosphatidyl ethanolamine?

Conversion to phosphatidyl serine

Incorporation into membranes

Conversion to triglycerides

Conversion to phosphatidyl choline

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of phosphatidyl serine synthase?

It removes ethanolamine and adds serine.

It converts phosphatidyl serine to phosphatidyl ethanolamine.

It methylates serine.

It adds a phosphate group to serine.

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