| 1. | Which of the below are characteristics of lipids? |
| a. | | They feel greasy and oily to the touch |
| b. | | They are hydrophilic |
| c. | | They are hydrophobic |
| d. | | They are often red in color
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| 2. | Why do saturated fats pack more tightly and have a more solid consistency than unsaturated fats? |
| a. | | They contain more nitrogen |
| b. | | They are heavier |
| c. | | Double and triple bonds cause kinks in the fatty acid tails |
| d. | | They have no double or triple bonds to put kinks in the fatty acids
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| 3. | All of the following are examples of lipids except: |
| a. | | Phospholipids |
| b. | | Waxes |
| c. | | Cholesterol |
| d. | | Chitin
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| 4. | Lipids are extremely important to biological systems because they are: |
| a. | | Rich sources of energy |
| b. | | Good for repelling water on organism surfaces |
| c. | | Building blocks for vitamins and hormones |
| d. | | A prime component in cell membranes
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| 5. | Cholesterol which is the major type of sterol found in animals plays a role in: |
| a. | | DNA formation |
| b. | | Fat digestion |
| c. | | Synthesis of testosterone and estrogen |
| d. | | Arterioschlerosis
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| 6. | Which lipid most associated with cell membranes? |
| a. | | Wax |
| b. | | Sterol |
| c. | | Phospholipid |
| d. | | Triglyceride
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| 7. | Carbohydrates provide more energy per gram than lipids. |
| a. | | True |
| b. | | False
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| 8. | Which of the following are natural uses of waxes? |
| a. | | Construction of bee honeycombs |
| b. | | Gatorade flavoring |
| c. | | Secretions onto birds feathers |
| d. | | Cuticles on cherries
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| 9. | Cholesterol is necessary for sexual trait and gamete formation. |
| a. | | True |
| b. | | False
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| 10. | How large can the carbon backbone of fatty acids be constructed? |
| a. | | They can have a backbone of up to 36 carbon atoms |
| b. | | They can have a backbone of up to 360 carbon atoms |
| c. | | They can have a backbone of alternating sulfur and carbon atoms |
| d. | | They can have a backbone of alternating nitrogen and carbon atoms
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| 11. | How is a sterol constructed? |
| a. | | It can have many different numbers, positions, and types of functional groups |
| b. | | It has 4 carbon rings |
| c. | | It has 3 or 4 carbon rings |
| d. | | It has a very flexible fused ring structure
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| 12. | Which of the following are true about phospholipids? |
| a. | | They have hydrophobic "heads" |
| b. | | They have hydrophilic "heads" |
| c. | | They have hydrophobic "tails" |
| d. | | They have hydrophilic "tails"
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| 13. | Recommended amount of kilocalories of lipids to take |
| a. | | 60% |
| b. | | 50% |
| c. | | 40% |
| d. | | 30%
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| 14. | What is called when you have a polar and non-polar regions. |
| a. | | Hydrophilic |
| b. | | Hydrophobic |
| c. | | Amphipathic |
| d. | | lipophilic
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| 15. | Who discoverd lipids? |
| a. | | liebig |
| b. | | G.J murdler |
| c. | | bloor |
| d. | | huxley
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| 16. | bile acids are polar derivatives of |
| a. | | glycerophospholipids |
| b. | | cholestrol |
| c. | | sulfolipids |
| d. | | archaebacterial tetraether lipids
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| 17. | Lipids are composed of three long-chain fatty acids and what else? |
| a. | | a benzene ring |
| b. | | an ester group |
| c. | | glycerol |
| d. | | Lipids only contain three long-chain fatty acids
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| 18. | What is one of the things that fats are used for making? |
| a. | | Cell membranes |
| b. | | body tissue |
| c. | | blood cells |
| d. | | long nails
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| 19. | polar lipid derivative of bile is
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| a. | | Glycerophpospholipids |
| b. | | chlolestrol |
| c. | | sulfolipids |
| d. | | Archae bacterial tetraether lipids
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| 20. | What are functions of lipids in the body? |
| a. | | Structure and lubrication |
| b. | | Used to make hormones |
| c. | | ATP production |
| d. | | All of the above.
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| 21. | What are the componets of a basic phospholipid? |
| a. | | Glycerol, 2 Fatty acid chains, Phosphate, Alcohol |
| b. | | Sphingosine, 2 Fatty acid chains, Phosphate,Choline |
| c. | | Glycerol, 3 Fatty acid chains, Phosphate, Alcohol |
| d. | | Sphingosine, 1 Fatty acid chain, Phosphate,Alcohol
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| 22. | the ratio of hydrogen atom to oxygen atoms in a lipid molecule? |
| a. | | 8:3 |
| b. | | 2:3 |
| c. | | 1:2 |
| d. | | 2:1
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What others think about Lipids |
| By: shady on Feb 23, 2012 |
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| By: jon watkins on Jan 29, 2012 |
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| By: shamnu on Mar 21, 2011 |
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| By: Fatty on Mar 9, 2011 |
| | We got this quiz once in college. |
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| By: Florence on Feb 15, 2011 |
| | Keep studying everyone :P |
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| By: alan on Feb 12, 2011 |
| | Lipids are organic compound.Great energy source it contains C, H,O and ratio is1:1:<1 |
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| By: Norizah Salehuddin on Jan 19, 2011 |
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| By: Stefanie on Jan 4, 2011 |
| | Glycerolipids have glycerol backbone with lipids attached to the alcohol sites |
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| By: Catherine on Nov 22, 2010 |
| | Very important saurce of energy |
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| By: Sushma varanasi on Nov 18, 2010 |
| | Lipids means le lo jo body ko 6pack kar dega,lipid r very useful our body..topic is intresting |
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| By: Tani on Oct 13, 2010 |
| | Lipids help the food industry by raising the energy levels of the food as well as making the food crispy as they have a high boiling point, allowing for a higher cooking time. Think chips...mmmm! |
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| By: Ellie on Oct 13, 2010 |
| | Your mum has so many lipids that she would never dissolve. |
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| By: Jess on Sep 20, 2010 |
| | Lipidious is a kickass work XD |
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| By: kylah on Aug 28, 2010 |
| | Determine your daily task or activities before eating foods containing fats or lipids |
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| By: hussein on Jul 21, 2010 |
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| By: Adjarho E. Abu on Jun 9, 2010 |
| | I want people to know that lipids are not as bad as they think, in this craze to loose weight. |
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| By: Gregg on May 5, 2010 |
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| By: mandy on Mar 28, 2010 |
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| By: sanduni on Feb 28, 2010 |
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| By: Amie on Feb 28, 2010 |
| | Wow. Lipids r a must know for all. |
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| By: remo on Dec 12, 2009 |
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| By: angie on Oct 25, 2009 |
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| By: skype on Oct 13, 2009 |
| | The iPhone is not able to recognise business cards so it doesn't accept them directly from the Nokia. When I try to transfer them from the computer, it does not show any contacts even when I synchronise it with those in Microsoft Outlook or Address Book, though it doesn't show any errors about this |
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| By: Neentismsed on Oct 7, 2009 |
| | Woody greens -- including lettuce and spinach -- outdo the laundry list of the 10 riskiest foods, according to a study from a nutrition advocacy band released Tuesday.
The Center for Science in the Buyers Worth listed the following foods, in descending fraternity, as the most risky in terms of ou |
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| By: grace on Sep 24, 2009 |
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| By: Getfoosquerot on Aug 7, 2009 |
| | I just wanted to break in and say hello to everyone. I wanted to acquaint myself, my name is Rachel. Hello all, my name is Frank.howdy to all, I am recent here and my name is Chris.
I decided to post now because I feel this community as a whole is very useful and cozy. I appreciate reading all o |
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| By: hayat and tayyab on Aug 3, 2009 |
| | excellent test to be exempted. |
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| By: MichaellaS on Jul 20, 2009 |
| | tks for the effort you put in here I appreciate it! |
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| By: unislewence on Jul 6, 2009 |
| | Hi All
I just wanted to start by saying that the presence here is simply amazing. I think everyone does a fine job here and just wanted to make that known.
With that being said, I wanted to take a moment to note a site that I found to be helpful during the decision making process while purchas |
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| By: strykerszero on Jun 23, 2009 |
| | People must learn to eat moderately to effectively lose weight. It seems as if as the American population increases, so do our appetites. In the past, a simple, leafy sandwich with a glass of milk was enough to satisfy our hunger. How, however, to fill ourselves up, we flat belly diet cookbook eat h |
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| By: otrebor etrador on Jun 8, 2009 |
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| By: Emily on Jun 5, 2009 |
| | lipids are biomarcomolcules for fatty acids |
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| By: Michelle Wiltshire on Jun 2, 2009 |
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| By: The Dougster on May 29, 2009 |
| | Bicyclists "get" many more miles per gallon of olive oil than cars "get" per gallon of gasoline, yet the energy content of both the lipid olive oil is exactly the energy content of gasoline per pound. Say, 200-2000 miles per gallon... |
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| By: nuh on May 26, 2009 |
| | lipid are classified into two categories:
1) simple lipids ( fats ana waxes TAG)
2) complex lipids ( phospholipid
glycolipid and sulfolipid)
1) glyco lipid are classified into :
1 phospotidic acid
2 lecithin ( phosphotidyl choline)
3cephalin
4cardiolipin
5 phosphotidyl inosotil |
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| By: lola on Mar 23, 2009 |
| | lipids are good in moderation |
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| By: fej on Feb 2, 2009 |
| | lipids are good for insulation and maintenance of body temp |
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| By: Aji on Jan 17, 2009 |
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| By: adish on Dec 24, 2008 |
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| By: Bond, Covalent Bond on Dec 16, 2008 |
| | I wish I could loose the lipids around my mid section more effectively... |
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| By: Julia on Dec 13, 2008 |
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| By: Ann on Dec 11, 2008 |
| | Lipids : one of a family of compounds, including fats, phospholipids, and steroids, that are insoluble in water. They are highly diverse in form and function. |
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| By: Sarah on Dec 7, 2008 |
| | Saponification is the base-catalyzed hydrolysis of an ester producing an alcohol and an ionized salt (soap) |
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| By: womanizer on Nov 26, 2008 |
| | its kind of a hard quiz, but if you are prepared, YOU will do it! |
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| By: scotty on Nov 26, 2008 |
| | i would like to thank my mom for my success |
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| By: Petey on Nov 26, 2008 |
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| By: Pam on Oct 27, 2008 |
| | They are important in cell membrane permeability |
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| By: Leah on Oct 18, 2008 |
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| By: ABHHEC on Oct 12, 2008 |
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| By: Anem on Aug 17, 2008 |
| | too me it's quite difficult..but i like it bcz i learn more.thanx! |
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