Unit 3 practice questions 24-25

Front

Particles that are smaller than an atom

Back

Subatomic particles are the building blocks of atoms, including protons, neutrons, and electrons.

Front

Which group of organic molecules serves as long-term energy storage and makes up the cell membrane?

Back

Lipids are organic molecules that store energy and are key components of cell membranes.

Front

What is ATP?

Back

ATP (Adenosine Triphosphate) is a molecule that carries energy within cells, often referred to as the energy currency of the cell.

Front

Which subatomic particle has a negative charge?

Back

Electrons are subatomic particles that carry a negative charge.

Front

What temperature does the enzyme work best at based on the graph?

Back

The enzyme works best at 30°C.

Front

What are the three main types of subatomic particles?

Back

The three main types of subatomic particles are protons (positive charge), neutrons (no charge), and electrons (negative charge).

Front

What is the role of lipids in the body?

Back

Lipids serve as long-term energy storage, insulation, and make up cell membranes.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the function of enzymes in biological systems?

Back

Enzymes act as catalysts to speed up chemical reactions in biological systems.

Front

What is the significance of the cell membrane?

Back

The cell membrane protects the cell, controls what enters and exits, and helps maintain homeostasis.