Fatty Acids – Lipids
Über den Vortrag
Der Vortrag „Fatty Acids – Lipids“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Introduction to Lipids (PUMS Adv Biochemistry / Module IV Lipids)“.
Quiz zum Vortrag
Which of the following is true regarding the melting temperature of fatty acids?
- it is lower for essential fatty acids than a fatty acid with one double bond.
- It increases as saturation decreases.
- It decreases as saturation increases.
- It increases as unsaturation increases.
- A saturated fatty acid with 18 carbons has a lower melting point than an unsaturated fatty acid with 18 carbons.
Why does linolenic acid have a lower melting temperature than stearic acid even though both have 18 carbon chain lengths?
- The increase in unsaturation in the fatty acids leads to a reduction in melting temperatures.
- The increase in saturation in the fatty acids leads to a reduction in melting temperatures.
- The increase in single bonds in the fatty acids leads to a reduction in melting temperatures.
- The increase in double bonds in the fatty acids leads to an increase in melting temperatures.
- The increase in triple bonds in the fatty acids leads to an increase in melting temperatures.
Which of the following statement is not true?
- Animal cells can form double bonds at positions 12 and 15 in the fatty acids.
- The increase in the chain lengths leads to an increase in the melting temperatures for saturated fatty acids.
- The delta numbering system and omega numbering system are used to determine the positions of double bonds in the fatty acids.
- The omega-3 fatty acids are considered good fatty acids for the health of the heart.
- The omega numbering system starts numbering the carbons from the methyl group.
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Dozent des Vortrages Fatty Acids – Lipids
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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