Saponification and Fatty Acids in Pharmacy and Cosmetics
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Questions and Answers

What is the main issue associated with high serum levels of cholesterol in humans?

  • Increased risk of developing diabetes
  • Formation of atherosclerotic plaques in arteries (correct)
  • Development of skin infections
  • Increased risk of osteoporosis

How can one reduce the risk of heart disease according to the text?

  • Increasing saturated fat intake
  • Consuming foods high in unsaturated fats (correct)
  • Avoiding fruits and vegetables
  • Eating more trans fats

What is the main source of tetracycline according to the text?

  • Genus Streptomyces
  • Filamentous bacteria (Actinomycetes) (correct)
  • Common components of water
  • Vegetables and fruits

How many linear six-membered rings do tetracyclic compounds have?

<p>Four (D)</p> Signup and view all the answers

What functional groups are found in tetracycline according to the text?

<p>Tertiary amine, hydroxyls, amide, phenolic hydroxy, and keto groups (D)</p> Signup and view all the answers

What is the spectrum of activity of tetracycline antibiotics?

<p>Broad spectrum against Gram-positive and Gram-negative bacteria (C)</p> Signup and view all the answers

From which bacterium is tetracycline obtained?

<p>Saccharopolyspora erythrea (Actinomycetes) (D)</p> Signup and view all the answers

'Polyketide products' mentioned in the text are primarily produced by which group of actinomycetes?

<p>'Streptomyces' species (D)</p> Signup and view all the answers

Which group of bacteria is commonly found to produce 'polyketide-derived tetracyclic compounds'?

<p>'Streptomyces' species (C)</p> Signup and view all the answers

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