Unit 1 Characteristics of Life, Macromoleculs and Enzymes

Front

What is activation energy?

Back

The energy required for a chemical change to happen.

Front

What characteristic of life explains how a cow extracts nutrients from grass?

Back

All living things need and use energy.

Front

What happens to an enzyme at its optimal temperature?

Back

The enzyme is functioning at its best efficiency.

Front

What happens to an enzyme when it is denatured?

Back

The enzyme loses its structure and function.

Front

Which macromolecule is primarily found in bread?

Back

Carbohydrates.

Front

What is a characteristic of life demonstrated by plant roots growing towards water?

Back

All living things respond to their environment.

Front

What are macromolecules?

Back

Large molecules essential for life, including carbohydrates, proteins, lipids, and nucleic acids.

Front

What is the primary function of enzymes?

Back

To speed up chemical reactions in biological processes.

Front

What are the four main types of macromolecules?

Back

Carbohydrates, proteins, lipids, and nucleic acids.

Front

What is the role of carbohydrates in living organisms?

Back

To provide energy and structural support.