Which Component of the Two-Component Regulatory System Frequently Senses Changes

question 49

Multiple Choice

Which component of the two-component regulatory system frequently senses changes in the external environment?

• A)repressor protein
• B)activator protein
• C)histidine kinase
• D)response regulator
• E)transport protein

---

Definitions:

Increasing Acidity

A condition or process where the concentration of hydrogen ions in a solution increases, often affecting the substance's pH.

Weak Acids

Acids that only partially dissociate in solution, resulting in a weak conductivity and not completely donating their hydrogen ions.

Strongest Acid

Refers to the acid with the lowest pH or the highest propensity to donate a proton in a reaction.

Acetic Acid

A weak organic acid that is the main component of vinegar, known chemically as CH3COOH.