Refer to the Table Below

question 7

Multiple Choice

Refer to the table below. The table summarizes results of experiments using a group of normal cells and three other groups of the same type of cells, each carrying a different mutation in a membrane receptor protein.The receptor is part of a signal transduction pathway that is stimulated by glucose-6-phosphate.Cells were tested for their ability to respond, via the signal transduction pathway, to a variety of ligand molecule, as shown in the table.Based on these data, which statement about these three mutations is plausible?

• A) Mutations 1, 2, and 3 each broaden the specificity of ligand binding in different ways.
• B) Mutations 1 and 3 broaden the specificity of ligand binding, while mutation 2 eliminates ligand binding.
• C) Mutation 1 broadens the specificity of ligand binding, while mutations 2 and 3 eliminate ligand binding.
• D) Mutation 3 has no effect on ligand binding, while mutations 1 and 2 have dramatic effects on ligand binding.
• E) Mutations 1 and 3 have no effect on ligand binding, while mutation 2 has a dramatic effect on ligand binding.

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Definitions:

Gold Find

The discovery of gold, typically in significant quantities, which often prompts mining activities and economic interest in the area.

Dramatic Departure

A significant and often sudden change or shift from conventional behavior or previous patterns.

Financial Intermediary

An institution that acts as a middleman between savers and borrowers, facilitating the flow of funds in the financial markets.

Fraudulent Means

Fraudulent means involve deceit, trickery, or dishonest conduct with the intention of gaining an unfair advantage or causing harm to another party.