structure exam Flashcards
saturated or unsaturated fatty acid: lauric acid?
saturated
saturated or unsaturated fatty acid: myristic acid?
saturated
saturated or unsaturated fatty acid: palmitic acid?
saturated
saturated or unsaturated fatty acid: stearic acid?
saturated
saturated or unsaturated fatty acid: arachidic acid?
saturated
saturated or unsaturated fatty acid: oleic acid?
unsaturated
saturated or unsaturated fatty acid: linoleic acid?
unsaturated
saturated or unsaturated fatty acid: alpha-linoleic acid?
unsaturated
saturated or unsaturated fatty acid: arachidonic acid?
unsaturated
saturated or unsaturated fatty acid: eicosapentenoic acid?
unsaturated
saturated or unsaturated fatty acid: docosahexaenoic acid?
unsaturated
how many carbons are in lauric acid?
12 C
how many carbons are in myristicic acid?
14 C
how many carbons are in palmitic acid?
16 C
how many carbons are in stearic acid?
18 C
how many carbons are in arachidic acid?
20 C
how many carbons are in oleic acid?
18 C
how many carbons are in linoleic acid?
18 C
how many carbons are in alpha-linoleic acid?
18 C
how many carbons are in arachidonic acid?
20 C
how many carbons are in eicosapentenoic acid?
20 C
how many carbons are in docosahexaenoic acid?
22 C
how many double bonds are in oleic acid?
1
how many double bonds are in linolenic acid?
2
how many double bonds are in alpha-linolenic acid?
3
how many double bonds are in arachidonic acid?
4
how many double bonds are in eicosapentenoic acid?
5
how many double bonds are in docosahexaenoic acid?
6
what is another name for lauric acid?
coconut oil
what is another name for myristic acid?
coconut + palm oil
what is another name for palmitic acid?
palm oil
what is another name for stearic acid?
animal fat + some plants
what is another name for oleic acid?
olive oil
Examples of linoleic acid
corn, sunflower, safflower, nuts, seeds, meat, eggs
what is another name for alpha-linolenic acid?
flax, soy
what is another name for arachidonic acid?
animals, eggs
what is another name for eicosapentenoic acid?
fish + algae
what is another name for docosahexaenoic acid?
fish, breast milk
what does DHA stand for?
docosahexaenoic acid
what does EPA stand for?
eicosapentenoic acid
what does ARA stand for?
arachidonic acid
what does ALA stand for?
alpha-linolenic acid
where in the chain is the omega fatty acid in oleic acid?
n-9 (carbon 9)
where in the chain is the omega fatty acid in linoleic acid?
n-6 (carbon 6)
where in the chain is the omega fatty acid in alpha-linoleic acid?
n-3 (carbon 3)
where in the chain is the omega fatty acid in arachidonic acid?
n-6 (carbon 6)
where in the chain is the omega fatty acid in eicosapentenoic acid?
n-3 (carbon 3)
where in the chain is the omega fatty acid in docosahexaenoic acid?
n-3 (carbon 3)
what are the characteristics of saturated fatty acids?
NO double bonds
what are the characteristics of unsaturated fatty acids?
double bonds
monounsaturated fatty acids
ONLY one double bond
polyunsaturated fatty acids
MORE THAN one double bond
what is considered a short fatty acid?
2-6C
what is considered a medium fatty acid?
8-12C
what is considered a long fatty acid?
14-24C
what are characteristics of long fatty acid chains?
very hydrophobic
what does more double bonds mean for the fatty acid?
lower melting point + more likely to go rancid
what does hydrogenation do?
increase melting point, increase shelf life, + produces trans fats
what is a chylomicron?
large lipoprotein particles that transport dietary lipids from the intestine to other parts of the body
what does a ‘very low density lipoprotein’ (VLDL) do?
transports triglycerides from the liver to other tissues
what does a ‘low density lipoprotein’ (LDL) do?
transports cholesterol to tissues. bad for body
cholesterol characteristics
multi-ring, 27 carbon structure. transported by lipoproteins. eliminated in feces
what is the rate-limiting enzyme in cholesterol synthesis?
HMG-CoA Reductase
cholesterol purpose
precursor for steroid hormones, vitamin D3, bile salts
examples of indispensible/essential amino acids
histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine
examples of dispensible/non-essential amino acids
alanine, aspartic acid, asparagine, glutamic acid, serine
examples of conditionally indispensible/essential amino acids
arginine, cysteine, glutamine, glycine, proline, tyrosine
aromatic amino acids
contain rings
examples of aromatic amino acids
phenylalanine, tyrosine, tryptophan
examples of sulfur-containing amino acids
cystine, cysteine, methionine
examples of branched chain amino acids
valine, leucine, isoleucine
examples of purely ketogenic amino acids
leucine + lysine
examples of acidic amino acids
aspartic acid + glutamic acid
examples of basic amino acids
histidine, arginine, lysine
what is sucrose compromised of?
glucose + fructose
what is lactose compromised of?
glucose + galactose
what is maltose compromised of?
glucose + glucose
basic amino acids mnemonic
HAL
acidic amino acids mnemonic
AG
purely ketogenic amino acids mnemonic
LL
branched chain amino acids mnemonic
LIV
sulfur-containing amino acids mnemonic
CCM
aromatic amino acids mnemonic
PTT
non-essential/dispensable amino acids mnemonic
GAS C GAGA PAT
essential/indispensable amino acids mnemonic
PVT TIM HALL