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How are lipids defined? What are fatty acids? Describe their 2 part structures.

What are complex and simple lipids? Give examples of each.

How do saturated and unsaturated fatty acids differ? Which are essential? Why are they essential?

Name the common C₁₆ and C₁₈ fatty acids. Why are they not found free in the body?

What molecules form a triacylglycerol? What is their function in the body? What is their hydrolysis reaction called and what does it produce?

What molecules form a phosphoacylglycerol (phosphoglyceride)? What is their function in the body?

Name and state the function of important steroids and sterols .

Note Biochemical Connections, pp. 195, 198, 207 & 212.

End of chapter questions: 1.-3., 7.-9., 11.-16., 17.-45.  

How are stored fats mobilized for oxidation?

Where and how are fatty acids activated prior to ß oxidation? How many ATP equivalents are used?

How are acyl-CoAs transported to the site of ß oxidation ? Where is that?

What is produced during one cycle of ß oxidation? How many ATP equivalents are produced?

How many cycles are needed to completely metabolize palmitate ? ...stearate?

What reactions in ß oxidation are equivalent to reactions (which?) in the Krebs Cycle? Which is unique?

What is the net yield of CO₂, H₂O and ATP (how many of each?) from palmitate?

Of what importance is the production of metabolic water to the camel or kangaroo rat?

Note Biochemical Connections p. 579. End of chapter questions: 1., 4.-13.

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  Last Modified on 7/16/2008