Kaplan Nursing Entrance Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the Kaplan Nursing Entrance Exam with our quiz. Study using multiple choice questions with hints and explanations. Get ready for success!

Start Multiple Choice Practice Test
Start Flash Cards

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What defines a lipid?

  1. Soluable in water

  2. Water insoluble compound

  3. Protein-based structure

  4. Single carbohydrate unit

The correct answer is: Water insoluble compound

Lipid is defined as a water-insoluble compound. This characteristic makes lipids distinct from other biomolecules, such as carbohydrates and proteins, which are typically soluble in water. The structure of lipids, which includes oils, fats, and steroids, allows them to form membranes and provide essential functions in energy storage and signaling within the body. Their hydrophobic nature means that they do not dissolve in water, leading to various biological roles that involve interactions with water-soluble substances such as proteins and carbohydrates. Understanding that lipids are primarily nonpolar molecules helps clarify their solubility properties and functional importance in biological systems.

More Questions Like This