Podcast
Questions and Answers
What is the key characteristic of amphipathic molecules?
What is the key characteristic of amphipathic molecules?
- They are involved in glycosidic bonds
- They are always saturated
- They are always found in lipids
- They have both hydrophobic and hydrophilic regions (correct)
Why are lipids not considered true polymers?
Why are lipids not considered true polymers?
- They are always saturated
- They do not have a repeating monomer unit (correct)
- They do not have a hydrophobic tail
- They are always found in membranes
What is the difference between omega-3 and omega-6 fatty acids?
What is the difference between omega-3 and omega-6 fatty acids?
- Their function in the body
- Their degree of unsaturation
- Their chain length
- The location of their first double bond (correct)
How does the degree of unsaturation of a fatty acid affect its melting point?
How does the degree of unsaturation of a fatty acid affect its melting point?
What is the main difference between integral and peripheral membrane proteins?
What is the main difference between integral and peripheral membrane proteins?
Why is cholesterol important for membrane fluidity?
Why is cholesterol important for membrane fluidity?
What is the significance of the hydrophobic effect in the context of membranes?
What is the significance of the hydrophobic effect in the context of membranes?
What is the primary difference between saturated and unsaturated fatty acids?
What is the primary difference between saturated and unsaturated fatty acids?
How do the four classes of lipids differ in terms of their structure?
How do the four classes of lipids differ in terms of their structure?
What is the significance of the number designation (X:X) in fatty acids?
What is the significance of the number designation (X:X) in fatty acids?
How does fat storage compare to glycogen storage in humans?
How does fat storage compare to glycogen storage in humans?
What is the characteristic of membranes that allows them to be asymmetric?
What is the characteristic of membranes that allows them to be asymmetric?