Biochemistry Quiz

What are the subatomic particles that make up an atom?

• Protons and neutrons

• Electrons and protons

• Neutrons and electrons

• Protons and electrons

Tags

NGSS.MS-PS1-1

Imagine you are a scientist studying substances. How would you define an element in your research?

• A substance that cannot be broken down into simpler substances by chemical means

• A substance composed of two or more different elements chemically combined

• Atoms of the same element that have different numbers of neutrons

• Substances formed as a result of a chemical reaction

Imagine you are in a chemistry lab. You observe a reaction where electrons are transferred from one atom to another. What type of bond is being formed in this scenario?

• Ionic bond

• Covalent bond

• Hydrogen bond

• van der Waals force

Tags

NGSS.HS-PS1-2

What is the starting material in a chemical reaction called?

• Reactant

• Product

• Activation energy

• Catalyst

Imagine you're a scientist working on a new experiment. What would you call the energy needed to kickstart your chemical reaction?

• Activation energy

• Enzyme

• Catalyst

• Substrate

What type of bond is formed when atoms share electrons?

• Covalent bond

• Ionic bond

• Hydrogen bond

• van der Waals force

You are making a cup of tea. You add sugar and stir until it completely dissolves. What would you call this type of homogeneous mixture where sugar (one substance) is dissolved in tea (another substance)?

• Solution

• Mixture

• Solute

• Solvent

What are substances that release hydrogen ions (H+) in water called?

• Acids

• Bases

• pH

• Buffers