FOR MARKS: Introduction to Lipids & EFA

Which macromolecule is this?

• carbohydrate
• lipid
• protein
• nucleic acid

Tags

NGSS.HS-LS1-6

The characteristic that all lipids have in common is----

• made of lots of double bonds
• acidic when mixed with water
• no high energy content
• do not dissolve in water

What type of lipid is this?

• steroid
• cholesterol
• phospholipid
• triglyceride

Lipids differ from most other larger biomolecules in that they

• Are hydrophillic
• Are hydrophobic
• Do not have specific shapes
• Do not contain carbon

Lipids are composed of which atoms?

• Hydrogen, Oxygen, Nitrogen

• Hydrogen, Oxygen, Carbon

• Oxygen, Nitrogen, Carbon

• Oxygen, Nitrogen, Hydrogen

True or False: Lipids are insoluble

• True

• False

Which diagram is a triglyceride?

• 
• 
• 
• 

Essential fatty acids are essential because...

• our bodies can make them ourselves, but it takes a lot of effort.

• our bodies cannot make them on our own so we must get them from our diet.

• our bodies don't really need then, but they are nice to have.

The two main types of essential fatty acids are?

• Omega 3's and Omega 4's

• Omega 5's and Omega 6's

• Omega 2's and Omega 6's

• Omega 3's and Omega 6's

What percentage of people do not get enough omega 3's?

• 10%

• 50%

• 99%

• 75%