Exam 11: Lipids

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: A complex amino alcohol backbone for membrane lipids.

The shorthand notation indicating that there are two cis double bonds between carbons 9 and 10 and again between 12 and 13 is ________________.

Explain the biochemical nature of why trans bonds do not have the same effect as cis bonds on the melting point of fatty acids.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: A term applied to molecules that have both hydrophilic and hydrophobic moieties.

Explain why fats are an efficient way to store biochemical energy.

The presence of double bonds in fatty acids limits tight packaging and the number of ________________ interactions.

A phosphatidate lipid (phosphatidic acid) has which of the following components?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: The storage form of fatty acids.

The configuration of most fatty acids is ________________.

The notation 12:2 indicates which of the following about a fatty acid?

Fatty acids are ionized at physiological pH and so are referred to in their ______________ form.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ lipids are less resistant to hydrolysis, potentially because of the way the acyl chain is linked to the glycerol backbone.

Unsaturations ____________ melting points of fatty acids and their derivatives.

How does the structure of cholesterol give it a unique structural quality among the lipids?

Define the different chemical characteristics for these phospholipids: phosphatidylserine, phosphatidylcholine, and phosphatidylinositol.

The common name of hexadecanoic acid is ________________.

The backbone of a phospholipid is which of the following?

What are some molecules that form the polar head group of phospholipids? Provide several examples.

What is the difference between a sphingolipid and a glycerolipid?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: A type of lipid with two acyl chains, a glycerol backbone, and a polar head group.