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Essential Fatty Acids in Biomedical Importance

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Essential Fatty Acids in Biomedical Importance

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Questions and Answers

What is the dietary source of Linoleic acid?

Corn oil, peanut oil, cottonseed oil, soya bean oil, egg yolk (correct)

Sunflower oil, sesame oil, canola oil, almond oil

Olive oil, avocado oil, coconut oil, palm oil

Linseed oil, rapeseed oil, soya bean oil, fish oil

What structural elements of tissues are associated with higher concentration of PUFA (Polyunsaturated Fatty Acids)?

Mitochondrial membrane and lipid droplets (correct)

Nuclei and endoplasmic reticulum

Golgi apparatus and lysosomes

Cell membrane and cytoplasm

Which enzyme system synthesizes Eicosanoids from arachidonic acid?

Cyclooxygenase (correct)

Lipoxygenase

Phospholipase

Lipase

How do fats with high content of PUFA (Polyunsaturated Fatty Acids) affect serum cholesterol and TAG levels?

Lower serum cholesterol and TAG levels Signup and view all the answers

What is the result of a deficiency of EFA (Essential Fatty Acids) on mitochondrial membrane?

Reduction in efficiency of oxidative phosphorylation Signup and view all the answers

Which PUFA is the most abundant in retinal photoreceptor membranes and is synthesized from α Linolenic acid?

$\omega 3$ DHA (Docosahexaenoic Acid) Signup and view all the answers

How does a deficiency of EFA affect the skin?

Causes dry and scaly dermatitis Signup and view all the answers

What is the result of ingesting fats rich in EFA on fibrinolytic activity?

Increase in fibrinolytic activity Signup and view all the answers

What unusual fatty acid is formed when ω 6 EFA Linoleic acid covalently binds another FA attached to cerebrosides in the skin?

Eldaic acid Signup and view all the answers

What effect does ingestion of fats rich in EFA have on clotting time?

Prolongs clotting time Signup and view all the answers