... . Second, we have to consider the components that has contributed to the existence of life. Life can be define as an animal's or plant's ability to function and grow1. This can be further broaden to any objects that uses energy from some energy source to drive chemical reactions, are generally capable ... are several conditions in the environment that are needed to ensure these processes occur. First of all, water is essential for all living organisms to function probably. It provides a medium in which it helps to transport molecules for a chemical reaction to occur. Scientists are now s...

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• Grade Level: High School

... portion of chemical compounds found in plants and animal cells. The chemical compounds are composed with a varying number of carbon, hydrogen, and oxygen atoms. They are the primary product that a plant releases when photosynthesis is performed. Our food carbohydrates include sugars, starches, and fiber. Lipids in our body include the fat and cholesterol. They serve as a source of energy and it ... is an important component of the cell. Finally proteins are also important components of food. Every cell in our body requires protein to function and structure itself. They are composed of a...

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• Grade Level: High School

How the Molecular Structure of Carbohydrates, Proteins and Lipids affect their function in living things. Living cells contain many small molecules such as water and inorganic ions like nitrogen. They also contain a vast number of larger molecules, called macromolecules that are built ... immediate supply of glucose is used up the body restores its supplies by breaking down glycogen. Cellulose is an example of a structural polysaccharide, and it gives strength and rigidity to plant cell walls. Cellulose molecules are long unbranched chains of containing glycosidic linkages of B-glucose. The ...

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• Grade Level: Undergraduate

... of catalase. Catalysts accelerate chemical reactions that otherwise proceed slowly. The enzyme called catalase is a catalyst. It exists in plant and animal cells and breaks down hydrogen peroxide, H2O2, which is a byproduct of metabolism. Hydrogen peroxide is toxic if it accumulates in a cell. The chemical reaction accelerated by catalase is written 2H2O2 > 2H2O + O2 (gas) The products of the above reaction are ... it will effect the reaction rate. Brief outline of how enzymes work An enzyme is a protein molecule that speeds up chemical reactions. Each enzyme has a unique shape that det...

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• Grade Level: High School