Mr. G's Grade 9 Biology Midterm Review

Front

What is the importance of carbon in biological molecules?

Back

Carbon can form strong covalent bonds with other elements, making it essential for the structure of biomolecules.

Front

What are the four main types of biomacromolecules?

Back

Carbohydrates, lipids, proteins, and nucleic acids.

Front

Which bond of the ATP molecule is broken in order to release energy?

Back

The bond labeled A in the ATP molecule.

Front

Which of these is NOT true about enzymes?

Back

Enzymes can only be used once in a chemical reaction.

Front

What is the process of removing water to form a bond between monomers called?

Back

Dehydration Synthesis.

Front

Define biomacromolecules.

Back

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

Front

What is hydrolysis?

Back

A chemical process that breaks down a compound by adding water.

Front

What role do enzymes play in biological reactions?

Back

Enzymes speed up chemical reactions by lowering the activation energy.

Front

What happens to enzymes at high temperatures?

Back

Enzymes can denature, changing their shape and function.

Front

What is the structure of a nucleotide?

Back

A nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.