BIO Unit 1 Review

Front

What are reactants?

Back

Reactants are the elements and compounds that go into a chemical reaction.

Front

What is the active site of an enzyme?

Back

The active site is the region on an enzyme where substrate molecules bind and undergo a chemical reaction.

Front

Which statement about enzymes is NOT true?

Back

All enzymes have the same shape as their substrates.

Front

What type of reaction absorbs energy?

Back

An energy-absorbing reaction is one that requires energy input to proceed.

Front

In the equation X + Y → XY, what are X and Y?

Back

X and Y are the reactants being combined to form the product XY.

Front

What is a product in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

Front

What role do enzymes play in chemical reactions?

Back

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

Front

What is the significance of pH for enzymes?

Back

Enzymes work best at specific pH levels, and deviations can affect their activity.

Front

What is a substrate in the context of enzymes?

Back

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

Front

What is the difference between an energy-releasing and an energy-absorbing reaction?

Back

An energy-releasing reaction releases energy, while an energy-absorbing reaction requires energy input.