Lipids in Living Organisms Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which of the following is a role of lipids in living organisms?

  • Cell structure and boundary (correct)
  • Nervous system regulation
  • Protein synthesis
  • Carbohydrate storage

What elements make up lipids?

  • Nitrogen, hydrogen, and oxygen
  • Carbon, hydrogen, and oxygen (correct)
  • Carbon, oxygen, and sulfur
  • Carbon, nitrogen, and oxygen

What type of fatty acids have double bonds between carbon atoms?

  • Trans fatty acids
  • Saturated fatty acids
  • Unsaturated fatty acids (correct)
  • Monounsaturated fatty acids

What is the function of cholesterol in the body?

<p>Hormone formation (C)</p> Signup and view all the answers

What happens when three fatty acids bond to a glycerol molecule?

<p>Formation of triglycerides (D)</p> Signup and view all the answers

What type of triglycerides contain only saturated fatty acids?

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

Flashcards are hidden until you start studying

Study Notes

  • Lipids are essential components of every cell membrane in living organisms.
  • They are part of the phospholipid membrane that acts as a boundary for cells.
  • Lipids include not only fats but also oils, waxes, and steroids.
  • Steroids such as cholesterol and hormones like testosterone and estrogen are lipids.
  • Lipids are large organic macromolecules made up of carbon, hydrogen, and oxygen.
  • Monomers called fatty acids form lipids through chemical bonds.
  • Saturated fatty acids have single bonds between carbon atoms, making them solid at room temperature.
  • Unsaturated fatty acids have double bonds between carbon atoms, making them liquid at room temperature.
  • A lipid polymer called a triglyceride forms when three fatty acids bond to a glycerol molecule.
  • Saturated triglycerides contain only saturated fatty acids, while unsaturated triglycerides have unsaturated fatty acids.
  • Lipids play various roles in living organisms, including cell membranes, long-term energy storage, insulation, and hormone formation.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

More Like This

Exploring Lipids and Cell Membranes Quiz
10 questions
Biochemistry: Lipids and Membranes
48 questions

Biochemistry: Lipids and Membranes

BestPerformingAntigorite4922 avatar
BestPerformingAntigorite4922
Lipids, Membranes and Transport
15 questions
Use Quizgecko on...
Browser
Browser