Section 3 - Macromolecules and Enzymes

Front

What is an enzyme?

Back

A type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed.

Front

What role do enzymes play in chemical reactions?

Back

Enzymes speed up the chemical reaction.

Front

What are lipids?

Back

Macromolecules that are a prominent part of animal tissues, functioning in insulation and helping animals conserve heat.

Front

What is an example of a nucleic acid?

Back

A strand of DNA.

Front

What is true about enzymes?

Back

They catalyze one specific type of reaction.

Front

What are macromolecules?

Back

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

Front

What is the function of proteins in the body?

Back

Proteins serve various functions including structural support, transport, enzymes, and immune response.

Front

What are carbohydrates?

Back

Macromolecules that serve as a primary energy source for living organisms.

Front

What is the structure of DNA?

Back

DNA is a double helix made up of nucleotides, which include a sugar, phosphate group, and nitrogenous base.

Front

How do enzymes lower activation energy?

Back

Enzymes provide an alternative reaction pathway with a lower activation energy, allowing reactions to occur more easily.