Choose the One Most Appropriate Answer for Each

question 7

Multiple Choice

Choose the one most appropriate answer for each.
-activation energy​​

• A)amount of energy to start a reaction
• B)coenzyme that carries electrons
• C)attachment of a phosphate group by a high-energy bond
• D)an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway
• E)part of an enzyme that binds to the substrate
• F)by binding a regulatory molecule, it changes the activity of a metabolic pathway
• G)affects rates of chemical reactions by reducing activation energy
• H)important energy currency in metabolism
• I)enzyme that participates in the neutralization of hydrogen peroxide
• J)a measure of the degree of energy change after a concentrated form of energy has been dispersed

---

Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect exists between certain datasets or variables.

Level of Significance

The threshold chosen by the researcher below which a p-value indicates that the observed result is statistically unlikely to have occurred by chance.

Expected Frequency

The predicted number of times an event will occur over a specified period in a statistical experiment.

Cramér's V

Cramér's V is a measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of the relationship.