Lipids

Description

Biology (Biological Molecules) Quiz on Lipids, created by Daniel Brand on 12/02/2017.
Daniel Brand
Quiz by Daniel Brand, updated more than 1 year ago
Daniel Brand
Created by Daniel Brand over 7 years ago
4052
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Resource summary

Question 1

Question
Which of the following descriptions apply to lipids? Check all that apply.
Answer
  • Soluble in water
  • Soluble in alcohol
  • Contain, C, H, and O only
  • Macromolecules

Question 2

Question
Label this molecule.
Answer
  • Triglyceride
  • Glucose
  • Phospholipid
  • Glycerol region
  • Phosphoric acid region
  • Fatty acid chain
  • Carboxyl group
  • Ester bond
  • 1,4-Glycosidic bond
  • 1,6-Glycosidic bond
  • Peptide bond
  • Saturated fatty acid chain
  • Unsaturated fatty acid chain
  • Glycerol region
  • Ester bond
  • Saturated fatty acid chain
  • Unsaturated fatty acid chain
  • 1,4-Glycosidic bond
  • Polypeptide chain

Question 3

Question
Which of these are uses of triglycerides? Check all that apply.
Answer
  • Thermal insulation
  • Buoyancy
  • Energy store
  • Protection of vital organs
  • Aid in digestion
  • Support cell walls

Question 4

Question
Unsaturated fats are more fluid than saturated fats.
Answer
  • True
  • False

Question 5

Question
Sugars store more energy per gram than fats.
Answer
  • True
  • False

Question 6

Question
This molecule is a...
Answer
  • Triglyceride
  • Phospholipid
  • Polymer

Question 7

Question
A phospholipid can be thought of having a [blank_start]polar[blank_end] 'head', consisting of a [blank_start]glycerol[blank_end] and [blank_start]phosphoric acid[blank_end] group, and [blank_start]hydrophobic[blank_end] 'tails', consisting of [blank_start]fatty acid chains[blank_end]. Phospholipids are the most predominant molecule in the [blank_start]bilayer[blank_end] forming plasma membranes.
Answer
  • polar
  • hydrophobic
  • hydrophobic
  • polar
  • glycerol
  • fatty acid chain
  • a-Glucose chain
  • phosphoric acid
  • carboxylic acid
  • carboxyl
  • fatty acid chains
  • phosphoryl groups
  • B-Glucose chains
  • amylopectin
  • bilayer
  • monolayer
  • transport proteins

Question 8

Question
Which of the following statements are true about the "fluid mosaic model"?
Answer
  • Describes the typical plasma membrane
  • Mainly comprised of phospholipids
  • Polar heads turn towards each other, hydrophobic tails point 'outwards'
  • Selectively permeable
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