PS Final Exam Review

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo a chemical change in a reaction.

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

Front

What is a substrate in the context of enzymes?

Back

A substrate is a molecule upon which an enzyme acts.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are organelles that produce usable energy (ATP) for cell functions through cellular respiration.

Front

What is a dependent variable in an experiment?

Back

The dependent variable is the variable that is measured and affected in an experiment, often responding to changes in the independent variable.

Front

What is an independent variable in an experiment?

Back

The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are the cellular structures responsible for protein synthesis.

Front

What is the function of the Golgi apparatus?

Back

The Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.