Lipids Bible Questions

A triglyceride contains a glycerol and three fatty acids. The bond between the glycerol and the fatty acids are known as ______ bonds

Ester bonds

An oil would be expected to be a _____ at room temp and contain _____ double bonds than a fat

liquid, more

A phospholipid typcially contains a ______ at Sn1 position

SFA

Lingual lipase and gastric lipase work in the stomach to hydrolyze TAG into _____ and _______?

DAG, 1 FA removed from Sn3 position

Lingual lipase will act on sugars located at which positions on the glycerol backbone?

None of the above

Pancreatic lipase will act on FA located at which position on the glycerol backbone?

Sn1 and Sn3

Ruminal lipase of microbial origin works in the rumen to hydrolyze TAG into ____ and _____?

glycerol and 3 FA

Ruminal hydrogenation is the process of hydrogenating _____ into _______ and is expected to _____ methane production

UFA (Fats) into SFA, decrease

What proteolytic enzyme is required for effective lipid digestion in SI?

Trypsin

A chylomicron enters lymphatic systems and is slowly released to the ____ to facilitate the transport of TAG to ______ and ______

do not enter the lymphatic system

Pancreatic colipase will act on FA located at which position on glycerol backbone?

None of the above

Microbial phospholipids synthesized in pigs are particularly useful because they provide a source of

Nothing

Hydrogenation of UFA in rumen

decrease methane

When fed the same oil source, a ruminant chylomicron would be expected to contain more _______ than a non-ruminant chylomicron?

SFA

A ruminant chylomicron would be expected to contain ______ bile than non-ruminant micelle?

chylomicron does not contain bile

VFA in rumen are produced from what products of fat digestion?

Glycerol

SFA with same number of carbons as an UFA weighs ______ than the UFA

more

Rank ability to synthesize microbial phsopholipids

Cow>Horse>Pig

Rank amount of microbial phospholipid digested

Cow>Horse=Pig

Which products are absorbed by ruminal papillae during the utilization of fats?

VFA

Why does UFA decreases methane production more than SFA

UFA has double bonds and makes it more reactive than SFA, they can inhibit methanogens and use hydrogen.

Lipoprotein lipase exists in the

blood vessels of adipose

Pig A is fed a diet high in SFA, while Pig B is fed a diet high in UFA. Pig A produces bacon that contains ______ UFA and has fat that is ______ than Pig B’s.

less, harder than

Ruminants do not derive glucose from the digestion of fat?

False, microbes ferment glycerol and one or more of the end products of this fermentation can be used for gluconeogenesis

Which of the following is absorbed by SI

Microbial phospholipids, monoacylglycerol, FFA, MonoUnsat., PolyUnsat., SFA, glycerol and bile

Which of the following are acted on by ruminal microbial intestine

glycolipid, microbial phospholipids, trigly, diacylglycerol, monoacylglycerol, FFA, MonoUnsat, PolyUnsat and UFA