A Researcher Investigates Whether There Is a Relationship Between Participating

question 45

Essay

A researcher investigates whether there is a relationship between participating in school clubs and GPA by comparing GPAs from 40 students who are members of at least one school club with those from 40 students who are not members of a club.What is the independent variable in this study?

---

Definitions:

Preparatory Reaction

A phase in cellular respiration where pyruvate from glycolysis is converted into acetyl-CoA, enabling the next steps in energy production.

Cellular Respiration

The metabolic process in which cells break down sugars to generate energy in the form of ATP, involving pathways like glycolysis and the Krebs cycle.

Carbon Dioxide

Originating from the combustion of carbonaceous materials and the process of respiration, this gas lacks color and smell. It is a naturally existing element of air that plants use in photosynthesis.

Citric Acid Cycle

The Citric Acid Cycle, also known as the Krebs cycle, is a sequence of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.