Chemistry, 20.09.2019 05:40 neekobecky599

Explain the importance of carbohydrates and lipids in the human body. include a discussion of at least two functions of carbohydrates and the roles of two groups of lipids.

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Carbohydrates are a group of molecules made out of carbon,hydrogen and oxygen. There are different types of carbs, such as the monosaccharides, the disaccharides and the polysaccharides. The most important metabolic substrate is glucose which is a monosaccharide and it is needed for respiration to produce energy. Lactose is a disaccharide, made of galactose and glucose and it is the carbohydrate for young mammals.Glycogen is a polysaccharide which is made of many glucose molecules, and it is an energy store.
Lipids are anither group of molecules which is made of the same elements as the carbohydrates but at differeent proportions.In the human body there are different types of lipids which have numerous functions like insulation, energy storing, production of certain hormones etc.Cholesterol is a lipid molecule which is responsible for maintaing the fluidity of the cell membrane. A phospholipid is a component of the cell membrane as it makes up the bilayer.

Answer from: voicelesstoxic

Did your response contain the following points? You may have discussed additional points that are not listed here.

Both carbohydrate and fat molecules release energy when cells break them down.

Many carbohydrates contain fiber, which the body cannot break down but which can help the digestive system function.

Sterols are important lipids that cells can convert into compounds the body needs, such as vitamins, some hormones, and bile salts.

Phospholipids are important structural components of cells.

Answer from: Quest

explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is $1s^{2}2s^{2}2p^{6}3s^{1}$ and electronic configuration of phosphorous is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$ .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

$3na + p \rightarrow na_{3}p$

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.

Electrons are transferred from atoms of to atoms of this transfer makes the sodium atoms and the

Answer from: Quest

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

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Explain the importance of carbohydrates and lipids in the human body. include a discussion of at lea...