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Lipid Structure

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Year 2 (Lipids) Quiz on Lipid Structure, created by gina_evans0312 on 21/01/2014.
gina_evans0312
Quiz by gina_evans0312, updated more than 1 year ago
gina_evans0312
Created by gina_evans0312 almost 11 years ago
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Resource summary

Question 1

Question
Fatty Acids are straight chain hydrocarbons with what at one end?
Answer
  • Carbonyl group
  • Carboxyl group
  • Amide group

Question 2

Question
Saturated fatty acids are more flexible than non-saturated ones
Answer
  • True
  • False

Question 3

Question
Non-saturated fatty acids have a _ melting point and _ fluidity
Answer
  • Higher, lesser
  • Lower, greater
  • Greater, lower
  • Lesser, higher

Question 4

Question
The double bond is usually in the Cis formation
Answer
  • True
  • False

Question 5

Question
What is this an image of?
Image:
Triacylglycerol (image/jpg)
Answer
  • Triacyglycerol
  • Sphigomyelin
  • Steroid

Question 6

Question
Why are triglycerides stored in an anhydrous form?
Answer
  • They're very reactive with water
  • They're insoluble

Question 7

Question
Mixed triglycerides have 2 or more different fatty acids
Answer
  • True
  • False

Question 8

Question
What type of F.A's can triacylglycerols be made from?
Answer
  • Saturated
  • Unsaturated

Question 9

Question
Phospholipids can form what types of structures when hydrated?
Answer
  • Lamellar
  • Closed vesicles

Question 10

Question
What makes phospholipids different from triglycerides?
Answer
  • One F.A is replaced with a phosphate
  • Only has 1 F.A
  • Made entirely of saturated F.A's

Question 11

Question
Replacing the phosphate group with other polar heads changes the membrane function
Answer
  • True
  • False

Question 12

Question
Sphigolipids use what instead of Glycerol?
Answer
  • Sphingosine, an amino alcohol
  • Sphingosine, an alcohol
  • Sphingosine, an amino acid

Question 13

Question
Sphigolipids only bind one fatty acid
Answer
  • True
  • False

Question 14

Question
Sphigolipids have moiety bound to them
Answer
  • True
  • False

Question 15

Question
Where do ceramides work?
Answer
  • The brain
  • The liver
  • The kidneys

Question 16

Question
What are the uses of steroids?
Answer
  • Hormones
  • Lipid metabolism
  • Vitamin precursors

Question 17

Question
Steroids are made from Acetyle CoA
Answer
  • True
  • False

Question 18

Question
Fat soluble vitamins are derived from testosterone
Answer
  • True
  • False
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