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Nucleic Acids, or the monomers or nucleotides pair up to form DNA and RNA. These store genetic information and contain genes that have information to create every protein in the body.  Every time a new cell is formed, the nucleic acids replicate and the new cell obtains the genetic information. This is stored in the nucleus. DNA is composed of the nucleotides adenine and guanine which are then paired with thymine and cytosine. It is the same in RNA except Uracil replaces thymine.

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Nucleic acids are the building blocks of living organisms. DNA, RNA, mRNA, and tRNA are all nucleic acids. They work together to help cells build proteins and replicate. Nucleic Acids are found in mitochondria, chloroplasts, and bacteria and viruses. Nucleic acids are made up of monomers (small units) called nucleotides. These nucleotides are uracil, thymine, cytosine, adenine, and guanine. When base paired they form DNA RNA. Uracil is only found in RNA and not DNA.

"Nucleic Acids." Chem4Kids. 5 September 2017. Web.http://www.chem4kids.com/files/bio_nucleicacids.html

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Carbohydrates are broken down by the body into energy in the form of ATP through the process of cellular respiration to be used by contracting muscles, fat metabolism, the central nervous system, etc. Cellular respiration uses glycolysis and the krebs cycle to produce ATP using carbohydrates.  Carbs are broken down into either  in the stomach and small intestine. They are then absorbed into the bloodstream and carried throughout the body to be used for energy.

"How does your body use  Carbohydrates." Elite Sports Club. September5, 2017. Web. http://blog.eliteclubs.com/how-does-your-body-use-carbohydrates/#sthash.yINqawrb.dpbs

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Lipids

Lipids are biological molecules that are insoluble in water, but are soluble in non-polar solvents, meaning that they are non-polar molecules. The lipids we're most familiar with are probably dietary fats. So if you get a little hungry, and you decide you want to eat some macaroni and cheese, and you look at the nutrition label, what you'll find is that it contains 12 grams of fat per serving. It also contains 31 grams of carbohydrates and 5 grams of protein.

So you have 12 grams of fat that give you 110 calories, and 36 grams of carbohydrates and protein combined, giving you 140 calories in each serving. So the fat gives you 9.2 calories per gram, while the carbohydrates and proteins give you only 3.9 calories per gram, which means that the fats contain over two times as much energy per gram! So this tells us that lipids and fats are good for storing energy, but what do they look like?

Triglycerides

Lipids fall into two categories. One is based on glycerol, and the other is steroids. First, we'll talk about the glycerol kind. Most dietary and storage fats are triglycerides. This means that they are made of glycerol combined with three carboxylic acids, which we call fatty acids. These form esters via dehydration.

Now, to give you an idea of what this means, glycerol is a 3-carbon alcohol that contains three different hydroxyl, or OH, groups on each of the carbon atoms. You may also recall that carboxylic acids are molecules that contain a carbon atom double-bonded to an oxygen atom, the carboxyl group, and that carbon atom is also bonded to a hydroxyl group, forming the carboxylic acid group.

In the case of triglycerides, this glycerol combines with the three fatty acids, or carboxylic acids, to form esters. Now, esters are a functional group that consists of a carbon atom that is double-bonded to an oxygen atom, and that same carbon atom is single-bonded to an oxygen atom, bonded to another carbon atom. And these are formed via dehydration, or loss of water.

Now, to get to know our triglycerides a little bit better, we can look back at the nutrition label. On the nutrition label, there are three types of fats. Two of these are listed on the label - saturated fats and trans fats - and the rest are unsaturated fats that are not trans. Saturated and unsaturated fats are the kinds that we find in nature while trans fats are synthetic.

Saturated fats are triglycerides that have no double bonds in their carboxylic acid chains. Saturated fats are found in things like butter. Because their fatty acid chains are long and flexible, they can intertwine with one another, and because they're non-polar, they're attracted to each other, and not to polar things, like water. So this is part of why butter is a solid at room temperature - it's because of the molecular interactions between these different fatty acid chains.

Unsaturated fats are triglycerides that have double bonds in their carboxylic acid chains. These are found in things like olive oil, and can be monounsaturated, which means they contain one double bond, or they can be polyunsaturated, meaning they contain many double bonds. In unsaturated fats, the carbons on either side of the double bond are on the same side of the double bond. These double bonds kink and bend the chains of carbons making it harder for them to interact closely. It's sort of like, if saturated fat chains are spaghetti and can wrap around one another very easily and stick together, these are like trying to fit together puzzle pieces that don't have the same edges, so you can't get them terribly close to each other. This is why substances in which there are many unsaturated fats, such as olive oil, tend to be liquids.

Trans fats, the synthetic kind, are triglycerides that have trans double bonds in their carboxylic acid chains. What trans means is that means is that the carbons on either side of the double bond are on opposite sides of the double bond. Trans fats are the byproduct of hydrogenating polyunsaturated fats. The goal of scientists was to make saturated fats, and these happened as a side product. The trans double bonds make the carbon chain very rigid and straight, so you get very close packing between these different carbon chains. It's sort of like, if the saturated fats are like spaghetti and can wrap around each other to interact, there's still some room for movement. And trans fats are a little bit more like, if you put a bunch of rods, and stuck them together - there's not a whole lot of room for them to move.

Because trans fats are able to pack so tightly together, they're able to become solid at higher temperatures, and this is part of why they're bad for us. If these trans fats are able to come together in our arteries, they may form blockages.

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structure and function of lipids - video & lesson transcript | study.com

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Structure and Function of Lipids - Video & Lesson Transcript | Study.com

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Lipids are biological molecules that are insoluble in water, but are soluble in non-polar solvents, meaning that they are non-polar molecules. The lipids we're most familiar with are probably dietary fats. So if you get a little hungry, and you decide you want to eat some macaroni and cheese, and you look at the nutrition label, what you'll find is that it contains 12 grams of fat per serving.

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http://www.bookrags.com/research/lipids-plsc-03/#gsc.tab=0

http://www.med-health.net/Function-Of-Lipids.html

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“Protein.” Merriam-Webster, Merriam-Webster, www.merriam-webster.com/dictionary/protein. Accessed 5 Sept. 2017.

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Lipids are a group of compounds that are rich in carbon-hydrogen bonds and are generally insoluble in water. The main categories are glycerolipids, phospholipids, oils, and waxes.
Glycerolipids have fatty acids attached to one or more of the three carbons of glycerol. If three fatty acids are attached, the molecule in triacylglycerol, which is a primary storage form of carbon and energy in plants.
Phospholipids make up the membrane of the cell.

The phosphate group is the negatively-charged polar head, which is hydrophilic.

Since the heads are hydrophilic, they face outward and are attracted to the intracellular and extracellular fluid.

The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.

Waxes are elongated  and modified fatty acids.
Fatty acids may be saturated or unsaturated. In a fatty acid chain, if there are only single bonds between neighboring carbons in the hydrocarbon chain, the fatty acid is saturated. When the hydrocarbon chain contains a double bond, the fatty acid is said to be unsaturated.
Lipids are of crucial importance for both energy storage and cell membrane development.

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Carbs are long chains of linked glucose molecules. They are the main source of energy for the human body. Animals break down carbs into energy or ATP through the process of cellular respiration. Without carbs fats and proteins are broken down for energy. There are three types of carbs: monosaccharide (glucose)
disaccharide (sucrose)
polysaccharide (starch)
Carbohydrates are organic molecules in which carbon bonds with hydrogen and oxygen.

"Visionlearning.com." VisionLearning. February 11, 2017. September 5, 2017. Web.

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Carbohydrates-Blue
Nucleic Acids-Purple
Proteins-Yellow
Lipids-Green