Fatty Acids

Question 1

FTSPST

Answer 1

first thing starts post sex trip

Question 2

first

Answer 2

fatty acids

Question 3

thing

Answer 3

triacylgycerols

Question 4

starts

Answer 4

sphingolipids

Question 5

post

Answer 5

phosphatidyls

Question 6

sex

Answer 6

steroids

Question 7

trip

Answer 7

terpenes

Question 8

Fatty acids are comprised of…

Answer 8

alkyl chains terminated by carboxylic acid groups O=C–OH

Question 9

saturated

Answer 9

indicates that the acyl chain is fully reduced

Question 10

Cis fatty acids

Answer 10

rotation space keeps them away from head of phosphates –> low density fats

Question 11

Saturated chains…

Answer 11

pack tightly and form more rigid, organized aggregates (e.i. membranes)

Question 12

Unsaturated chains…

Answer 12

bend and pack in a less ordered way

Question 13

triacylglycerols are a…

Answer 13

major source of energy for organisms b/c they are the most reduced form of carbon, no solvation needed, efficient packing

Question 14

triacylglycerols

Answer 14

formed from glycerol and fatty acids

Question 15

simple triacylglycerols

Answer 15

all 3 fatty acids are the same

Question 16

mixed triacylglycerols

Answer 16

contain 2 or 3 diff. fatty acids

Question 17

glycerophospholipids are…

Answer 17

essential components in cell membranes

Question 18

glycerophospholipid

Answer 18

diglycerol w/ a phosphate group

Question 19

unsaturated fatty acids are found typically….

Answer 19

at the 2-position of the glycerol backbone

Question 20

Phosphatidyl

Answer 20

a glycerophospholipid (review structure)

Question 21

catalytic triad

Answer 21

amino acids found in the active site (serine, histidine, aspartic acid)

Question 22

PAF

Answer 22

platelet activating factor

Question 23

sphingolipid

Answer 23

based on the structure of sphingosine

Question 24

sphingosine

Answer 24

is an 18-carbon alcohol

Question 25

cerebroside

Answer 25

a ceraminde w/ a single sugar

Question 26

gangliosides are...

Answer 26

important components of muscle and nerve membranes

Question 27

gangliosides

Answer 27

ceramides w/ three or more sugar esterfied, one of which is a sialic acid

Question 28

waxes

Answer 28

consist of a long-chain alcohols esterfied to long-chain fatty acids

Question 29

waxes are...

Answer 29

hydrophobic bc of

Question 30

Terpenes

Answer 30

a class of lipids formed from combinations of isoprene units

Question 31

isoprene

Answer 31

2-methyl-1,3- butadiene

Question 32

cortisol

Answer 32

provides control of carbohydrate, protein, and lipid metabolism

Question 33

Testosterone

Answer 33

the primary male sex hormone

Question 34

estradiol

Answer 34

the primary female sex hormone

Question 35

progesterone

Answer 35

a precursor for testosterone and estradiol

Question 36

Bile acids

Answer 36

cholic and deoxycholic acid (steroids)