LS1.5 BIO1 Review

Front

What is amylase?

Back

Amylase is a digestive enzyme found in human saliva and the pancreas that converts starch into simple sugars.

Front

What is the significance of pH for enzyme activity?

Back

Enzymes have specific substrates and work best within a small range of pH.

Front

What does enzyme specificity mean?

Back

Enzyme specificity refers to the ability of an enzyme to catalyze a reaction for a specific substrate.

Front

How is the lock and key model related to enzymes?

Back

The lock and key model illustrates how an enzyme (the lock) is specific to its substrate (the key), fitting together perfectly.

Front

What happens to catalase when hydrogen peroxide increases?

Back

Catalase will be reused to break down the hydrogen peroxide.

Front

What is a substrate in the context of enzymes?

Back

A substrate is the reactant molecule upon which an enzyme acts.

Front

What is enzyme denaturation?

Back

Enzyme denaturation is the process where an enzyme loses its functional shape due to factors like extreme pH or temperature.

Front

What role do enzymes play in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed in the process.

Front

What is the effect of temperature on enzyme activity?

Back

Enzymes typically have an optimal temperature range; outside this range, their activity may decrease or they may denature.

Front

What is the relationship between enzyme concentration and reaction rate?

Back

Increasing enzyme concentration generally increases the reaction rate, provided there is enough substrate available.