Exam 19: Lipids

Use the following to answer the questions below: Classify each of the lipid types in terms of its biochemical function using the response list. Responses may be used more than once or need not be used at all. -Bile acids

Use the following to answer the questions below: Classify each of the lipid types in terms of its biochemical function using the response list. Responses may be used more than once or need not be used at all. -Glycerophospholipids

The most abundant steroid in the human body is

Which of the following types of lipids have structures that contain the fused-ring steroid nucleus?

Use the following to answer the questions below: For each of the classes of lipids, select from the response list the number of "structural components" that are present in molecules of the lipid. Responses may be used more than once or need not be used at all. -Biological waxes

Which of the following statements concerning the molecule sphingosine is correct?

Use the following to answer the questions below: For each of the classes of lipids, select from the response list the number of "structural components" that are present in molecules of the lipid. Responses may be used more than once or need not be used at all. -Glycerophospholipids

Which of the following statements concerning eicosanoids is correct?

In which of the following types of lipids are both ester and amide linkages present?

The designation "polyunsaturated" applies to which of the following fatty acids?

In which of the following types of lipids are two ester linkages and one amide linkage present?

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Fats and oils have the same general chemical structure. (2) Biological waxes have a three-component "block diagram." (3) In facilitated transport, a substance crosses a cell membrane with the help of a protein "pump."

Use the following to answer the questions below: For each of the classes of lipids, select from the response list the number of "structural components" that are present in molecules of the lipid. Responses may be used more than once or need not be used at all. -Triacylglycerols

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) In active transport, a substance crosses a cell membrane against a concentration gradient. (2) Fatty acid melting point decreases with increasing degree of unsaturation. (3) Complete hydrolysis of a TAG produces four product molecules, all of which must be different from each other.

Which of the following is a distinguishing characteristic between fats and oils?

Which of the following statements concerning fatty acids is incorrect?

Use the following to answer the questions below: For each of the fatty acid characterizations, select from the response list the structure of the correct fatty acid. Responses may be used more than once or need not be used at all. -Cis-9-octadecenoic acid

Use the following to answer the questions below: For each of the structural characterizations, select a correct response from the response list. Responses may be used more than once or need not be used at all. -Glycerol is a structural component.

Unsaturated fatty acids are structural components of

In a glycerophospholipid, glycerin's three -OH groups are esterified, respectively, with