Question

select the true statements.
lipids are used to build cell membranes.
lipids are used for quick - acting, short - term energy in cells.
steroids are a type of lipid.
walnuts, salmon, and butter are dietary sources of lipids.

Explanation:

• Lipids, especially phospholipids, are a major component of cell membranes.
• Carbohydrates, not lipids, are used for quick - acting, short - term energy in cells.
• Steroids, like cholesterol, are a type of lipid.
• Walnuts (contain fats which are lipids), salmon (contain omega - 3 fatty acids which are lipids), and butter (contains fats which are lipids) are dietary sources of lipids.

Answer:

Lipids are used to build cell membranes.
Steroids are a type of lipid.
Walnuts, salmon, and butter are dietary sources of lipids.