Which of the Following Species Cannot Act as Both a Brønsted-Lowry

question 9

Multiple Choice

Which of the following species cannot act as both a Brønsted-Lowry acid and base?

• A)HCO₃^-
• B)HSO₄^-
• C)HO^-
• D)H₂PO₄^-

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Definitions:

Constitutive Genes

Genes that are constantly active and expressed at a fixed rate in an organism, providing the basic functions necessary for its survival.

Always Expressed

refers to genes or traits that are continually active or manifest in an organism, regardless of environmental conditions.

Cell

The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

Activator Protein

A positive regulatory protein that stimulates transcription when bound to DNA. Compare with repressor protein.