Solve
- $$9 x ^ { 2 } - 18 x - 16 = 0$$

question 166

Multiple Choice

Solve.
- $$9 x ^ { 2 } - 18 x - 16 = 0$$

• A) \(\frac { 8 } { 9 } , - \frac { 2 } { 9 }\)
• B) \(- \frac { 8 } { 3 } , \frac { 2 } { 3 }\)
• C) \(- \frac { 2 } { 9 } , - \frac { 14 } { 9 }\)
• D) \(\frac { 8 } { 3 } , - \frac { 2 } { 3 }\)

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Definitions:

Signal Termination

The process by which a cellular signal is brought to an end, ensuring that a cell's response to a stimulus does not exceed necessary bounds.

Signal Transduction

The process by which a cell responds to external signals by converting them into internal biochemical messages.

Enzyme-linked Receptors

A class of cell surface receptors that initiate a cellular response upon binding a specific ligand, often leading to a series of enzymatic reactions inside the cell.

Ion Channel-linked Receptors

Proteins that span a cell membrane and open to allow ions such as Na+, K+, Ca2+, and Cl- to pass in response to the binding of a chemical messenger.