What Are Lipids? — Structure & Function
Read this topicExplanations 6
- Storing Energy Lipids are used to store energy, similar to polysaccharides. Examples of lipids include fats, oils, waxes, hormones, and steroids. They are also polymers of fatty…
By Deena Hauze, Alex Federspiel, Mario Janakis, Valeri Natole, Jonathan Heller, Gabi Slizewska
- Types of Lipids Lipids are the main macromolecule in our body that is used for energy storage, making hormones and steroids, and making up cell membranes. They are made up of th…
By Samantha Broders, Alex Federspiel, Deena Hauze, Mario Janakis, Gabi Slizewska
- What Are Lipids? Lipids are a diverse group of macromolecule that have a wide variety of functions in living cells. Examples include storing energy, signaling between cells, and…
By Hannah Bonville, Alex Federspiel, Deena Hauze, Mario Janakis, Gabi Slizewska
- (Video) Lipids by RicochetScience This video explains the structure of lipids, examples of them in what we eat, and examples of what they do in the body.
By Valeri Natole, Gabi Slizewska
- (Video) Biomolecules by Amoeba Sisters Lipids are one of the four major macromolecules. Watch this video for a quick explanation of their structures and functions.
By Mario Janakis, Valeri Natole, Gabi Slizewska
- Explanation #9089
By Gabi Slizewska, Mario Janakis
Problems 20
- Based on what you know about the cohesion of water, why do you think lipids are not soluble in water?
- Which of the following are not lipids?
- What type of lipids are the major component of cell membranes?
- Which of the characteristics above describe lipids?
- The image above shows two fatty acids. Pick the statement below that is correct about these fatty acids.
- Which of the choices above illustrates the structure of a lipid?
- Which of these is not a function of lipids?
- What part of the cell is a lipid most likely to compose?
- Which of the following is not a monomer of lipids?
- The fatty acid pictured above is ________. This means, based on its structure, it will be ________ at room temperature.
- What can you tell about the types of bonds present in this fatty acid?
- What can you tell about the polarity of oil based on the picture above?
- What does the structure of a triglyceride consist of? Check all that apply.
- A molecule is amphipathic if it contains both a polar and non-polar portion in its structure. Which type of lipid could be considered amphipathic?
- Which of the following is false about lipids?
- Based on what you know about the polarity of the lipids that compose the cell membrane, how would you expect the Na+^++ ion to pass through into the cell?
- Based on what you know about the polarity of the lipids that compose the cell membrane, which provided substance would be able to cross into the cell first?
- What is false about cholesterol?
- What structural component is shared by phospholipids and triglycerides?
- Based on what you know about the structure of fatty acids, which element would the red portion of the molecule represent?