Unit 3 Flashcard #1

Front

In DNA, Adenine bonds with _____________.

Back

Thymine

Front

Enzymes are an example of _____________.

Back

Protein

Front

Guanine bonds with _____________.

Back

Cytosine

Front

If 25% of a DNA molecule's nitrogenous bases are Cytosine, how many bases must be Guanine?

Back

25% Guanine

Front

What is the term for the region on an enzyme where substrates bind?

Back

Active site

Front

What are the products of a chemical reaction?

Back

Substances formed as a result of a chemical reaction.

Front

What are the four main types of macromolecules?

Back

Carbohydrates, Lipids, Proteins, Nucleic Acids.

Front

What is the function of enzymes in biological systems?

Back

To speed up chemical reactions by lowering activation energy.

Front

What is the base pairing rule in DNA?

Back

Adenine pairs with Thymine, and Guanine pairs with Cytosine.

Front

What is a substrate in the context of enzyme activity?

Back

The reactant molecule that an enzyme acts upon.