Which fat serves as an animal's major form of energy storage? a. cholesterol b. glycerol c. phos

Which fat serves as an animal's major form of energy...

Key Concepts

Lipids

Lipids are a broad group of organic molecules that are characterized by their insolubility in water and include fats, oils, phospholipids, and steroids. They play fundamental roles in cellular structure, energy storage, and signaling, making them essential to the physiology of living organisms.

Triglycerides

Triglycerides are a type of lipid composed of a glycerol backbone attached to three fatty acid chains. They are the primary form of energy storage in animals, stored in adipose tissue, and can be metabolized to provide energy during periods of increased energy demand or fasting.

Transcript

00:01 Okay, in order to answer the question, first let's talk about how lipids are synthesized when we eat.

00:09 When we eat, most carbohydrates, okay, this is going to be the liver.

00:17 Carbohydrates, especially glucose, is going to enter the hepatocytes in the liver, and it is going to develop the process of glycolysis, where it is going to produce pyruvate molecules.

00:29 Okay, after this, pyrobat is going to enter the crept cycle in the mitochondria, also called the tca cycle, and energy, the net result of all of this is going to be the production of atp.

00:44 Okay, this occurs when you are normally eating.

00:47 But what happens when you are eating more carbohydrates more than your body needs, more than necessary? well, then your liver is not going to waste or throw away those those, those, those, um, you know, glucose molecules.

01:02 So it is going to store them for later, like for situations where it needs energy, for example, in fact, in a state or in starvation.

01:13 So when you have an excess consumption of carbohydrates, it is going to store, the liver is going to store, them in two ways.

01:22 As glycogen, that is a glucose polymer and as lipids.

01:27 Okay, we have many lipids, triglycerol, phofelipids, glycerol and many others.

01:33 The process of glycogen starts here from glucose.

01:36 We're going to produce glycogen.

01:41 And the process of production of lipids is going to start here because the excess of atp production is going to block this process here.

01:53 So everything here is going to accumulate, sidelet specifically, is going to accumulate and it's going to move to the site of plasma.

01:59 Where is it is going to produce fatty acids? okay, so let's talk about some different types of fatty acids.

02:10 First, we're going to have cholesterol, that is option a.

02:13 Cholesterol is part of the, or its goal is related to the fluid of a cell membrane.

02:21 It is not involved in the, like, as energy storage.

02:25 Okay, so it is not the answer.

02:28 Now, option b, glycerol.

02:31 Glacetyl is a metabolite of glycolysis.

02:37 Around here, for example, okay? glycerol 3 -phosphate is a metabolite of glycolysis...

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