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Enzymes

Science

QuestionAnswer
What type of organic compounds are enzymes? Proteins.
Most enzyme names end in ______________. Ase.
What are enzymes also referred to as because they speed up chemical reactions? Catalysts.
True or False: Enzymes are destroyed after being used once. False, they can be reused over and over again.
What is the main function of enzymes? To speed up chemical reactions.
______________ is the substance that the enzyme acts upon. (Ex: lipids, carbohydrates, proteins) Substrate.
What is the enzyme for lipids? Lipase.
Where are enzymes located in chemical formulas? Above the arrow.
This shows how each enzyme is designed specifically fit one type of substrate. Enzyme substrate complex. (Lock and key model)
Area on the enzyme where the reaction takes place and the substrate fits into the enzyme. Active site.
The enzymes ability to work on a substrate depends on its ___________ and __________. Shape and size.
Does the enzyme change after the chemical reaction? No, it remains the same.
Another term for substrate forming with the enzyme is __________ ____________. Temporary union.
True or False: Each chemical reaction has its own enzyme. True.
Co enzyme. They help the enzymes speed up chemical reactions.
True or False: Co-enzymes are organic proteins. False, they aren't proteins or organic.
Example of a co-enzyme. Vitamins.
True or False: As conditions within a cell change so does the rate a which the enzyme works. True.
What factors affect the rate of an enzyme reaction? Temperature, pH, amount/concentration of the enzyme and substrate.
As you increase the temperature, enzyme action _____________. Increases.
As you decrease the temperature, enzyme action _______________. Decreases.
Extremely high temperatures will result in a _______________ or change in the shape of the enzyme molecule. This will cause the enzyme to be unable to ____________ as a catalyst for the substrate. The high temperature results in ___________________. Distortion, function, denaturation.
The temperature at which the enzyme functions most efficiently . Optimum temperature.
What shape is the graph of rate of reaction? Negative parabola.
A high concentration of enzymes and a low concentration of substrates __________ the rate of enzyme action and then ________ __________. Increases, levels off.
A high concentration of substrates and a low concentration of enzymes __________ the rate of enzyme action and then _______ ________. Increases, levels off.
True or False: All enzymes have the same pH range. False, each enzyme has its own pH range.
0-6 on the pH scale is ____________. Acidic.
7 on the pH scale is _________. Neutral.
8-14 on the pH scale is __________. Basic.
The pH level on which the enzymes work the fastest. Optimum pH.
Created by: emarciante9