lipids

Question 1

All glycerophospholipids contain which of the following structures?

Answer 1

A glycerol backbone, a phosphodiester linkage, and a polar headgroup

Question 2

play major role in cell interaction, recognition, and signal transduction.

Answer 2

Sphingolipids

Question 3

Based on its name, a glycophosphosphingolipid would be expected to have which structural component?

Answer 3

A sphingosine backbone
A phosphodiester linkage
A glycosidic linkage

Question 4

Between Unsaturated and saturated fatty acids, which of these has a greater dispersion force between tails.

Answer 4

Saturated fatty acids.

Question 5

Do all sphingolipids have a sphingosine backbone?

Answer 5

NO, some have a Sphingoid backbone

Question 6

Terpene facts

Answer 6

strongly scented
serve a protective function
steroid precursors
Made by plants, and insects.

Question 7

Cholesterol facts

Answer 7

Precursor of steroids and Vitamin D
Variably effects membrane depending on temeperature
Interacts with hydrophobic and hydrophilic areas of bilayer.

Question 8

Prostaglandin facts

Answer 8

Controls synthesis of cAMP
exocrine hormone (paracrine or autocrine)
effects pain, inflammation, and muscle contraction

Question 9

Wax facts

Answer 9

Made up of alcohols and long chain fatty acid
Protects against dehydration and parasites
Melting point is above room temperature
Made by insects, plants, and humans

Question 10

Steroid facts

Answer 10

Has high affinity for its receptor

effects gene transcription by binding directly to DNA