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2021-05-17

What conditions will increase the reaction rate of an enzyme?

What conditions will increase the reaction rate of an enzyme?

Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.

Do all enzymes increase reaction rate?

By increasing the enzyme concentration, the maximum reaction rate greatly increases. Conclusions: The rate of a chemical reaction increases as the substrate concentration increases. Enzymes can greatly speed up the rate of a reaction. However, enzymes become saturated when the substrate concentration is high.

Why does enzyme concentration increase reaction rate?

Increasing Substrate Concentration increases the rate of reaction. This is because more substrate molecules will be colliding with enzyme molecules, so more product will be formed.

Why is the optimal pH for enzymes 7?

Enzyme pH levels also change the shape of the active site and affect the rate of enzyme activity. If the pH level is lower than 7 or higher than 11, the enzyme becomes denaturated and loses its structure. The liver sustains a neutral pH of about 7, which creates the best environment for catalase and other enzymes.

How Can a protein be denatured?

A protein becomes denatured when its normal shape gets deformed because some of the hydrogen bonds are broken. Weak hydrogen bonds break when too much heat is applied or when they are exposed to an acid (like citric acid from lemon juice).

Which alpha amino acid is not optically active?

Glycine

Which alpha amino acid is optically active?

All of the other amino acids do contain such a carbon atom and are therefore optically active. The general structure of the alpha-amino acids is R-CHNH2(alpha)-COOH, and optical activity for the alpha-amino acids more complex than glycine is found at the alpha carbon.

Which amino acid has no asymmetric carbon and hence is not optically active?

Complete answer: Glycine is the only chiral amino acid with a single hydrogen atom as its side chain. The absence of asymmetric carbon atoms makes glycine optically inactive that means glycine does not rotate the plane polarised light.

What is not optically active?

A compound incapable of optical rotation is said to be optically inactive. All pure achiral compounds are optically inactive. eg: Chloroethane (1) is achiral and does not rotate the plane of plane-polarized light.