Hayden Armour 4th Hour

What is a macromolecule? Why is it important to life?

A macromolecule is a molecule containing a very number of atoms such as proteins, nucleic acids, carbohydrates, and lipids.

It is important to life, due to the fact that the 4 macromolecules (protein, carbohydrate, lipids, and nucleic acids) make up all living life forms on Earth. They provide us with short-term energy (carbs), the use of sending genetic instructions (nucleic acids), storing energy inside our bodies (lipids), and creating and maintaining muscles and tissue in the body.

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In protein, amino acids are the monomer, and protein is the polymer. Amino acids are essential for moving and storing of all nutrients throughout the body, and protein is essential for rebuilding broken down muscle.

Special Characteristics; The most important substance in our body, besides water

-Made up of nitrogen, oxygen, hydrogen and d hydrogen.

Protein examples; Meats, eggs, fruit.

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One of the monomers in lipids are fatty acids, while the polymer is the lipid.

The function of lipids are long term storage and thermal insulation.

Characteristics; Insoluble in water.

-Hard to dissolve in stomach

Examples- Saturated and Unsaturated fat

Trans Fat

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The monomer is monosaccharide, and the polymer polysaccharide. The function of carbs are to provide the body with energy, as they are the main source of fuel.

Characteristics; Simple sugar composed of carbon, hydrogen, and oxygen with twice the amount of hydrogen as carbon and oxygen.


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Nucleic Acids

The monomer is the nucleotides, and the polymer are polynucleotide strands. They are important because they make up everything, they are your DNA.

Characteristics; Main information carrying molecule and uses protein synthesis

Examples- DNA