Study Guide 1st Semester Exam

Front

What is the active site of an enzyme?

Back

The region of an enzyme that attaches to a substrate.

Front

What is the function of nucleic acids in living organisms?

Back

Stores and transmits genetic information.

Front

How many electrons does a neutral atom of Chlorine have?

Back

17

Front

What forms when two atoms transfer electrons?

Back

Ionic bond.

Front

Which of the following is not a macromolecule?

Back

Water.

Front

What are macromolecules?

Back

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

Front

What is a substrate in enzymatic reactions?

Back

The substance on which an enzyme acts.

Front

Define ionic bond.

Back

A chemical bond formed through the transfer of electrons from one atom to another.

Front

What is the role of enzymes in biological reactions?

Back

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

Front

What are the three main types of nucleic acids?

Back

DNA, RNA, and ATP.