IB Biology · B1.1 · SL

B1.1b Lipids

11 review questions with answers for B1.1b Lipids, marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.

A question from this set

What are the key elements that compose lipids?

  • Hydrolysis
  • Glycerol
  • CHO(P)Right answer
  • Steroid
From B1.1b Lipids, 11 questions.

All 11 questions and answers

  1. What are the key elements that compose lipids?

    Answer: CHO(P)

  2. What lipid is formed from one glycerol and three fatty acids?

    Answer: Triglyceride

  3. What is the 3-carbon alcohol that forms the backbone of triglycerides?

    Answer: Glycerol

  4. General name for a long hydrocarbon chain ending in a carboxyl group (-COOH), saturated or not?

    Answer: Fatty acid

  5. What term describes the bond linking fatty acids to glycerol in triglycerides?

    Answer: Ester bond

  6. Fatty acid with no C=C double bonds; solid at room temp?

    Answer: Saturated fatty acid

  7. Fatty acid with one or more C=C double bonds; liquid at room temp?

    Answer: Unsaturated fatty acid

  8. Lipid with a hydrophilic phosphate head and two hydrophobic tails?

    Answer: Phospholipid

  9. Lipid with a four-ring structure (e.g., cholesterol, estrogen)?

    Answer: Steroid

  10. Animal tissue that stores triglycerides for energy and thermal insulation?

    Answer: Adipose tissue

  11. Reaction that splits a triglyceride into glycerol and three fatty acids?

    Answer: Hydrolysis

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