A Signal Outside a Cell Triggers Changes in the Transcription

question 43

Multiple Choice

A signal outside a cell triggers changes in the transcription and translation inside the cell through

• A)protein breakdown.
• B)signal transduction pathways.
• C)post- translational editing.
• D)protein activation.

Identify the physiological responses of plants to environmental factors and hormonal regulation.

Describe the mechanisms of hormone action in plants including signal transduction.

Explain the process and importance of genetic screens in studying plant hormones.

Recognize the role of ethylene in plant processes such as fruit ripening and leaf abscission.

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Definitions:

Efficient Scale

The quantity of output that minimizes average total cost.

Perfectly Competitive

A market structure characterized by a large number of small firms, homogenous products, and free entry and exit.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, leading to competition based on factors other than price.

Economic Profits

Economic profits are the surplus remaining after deducting both explicit and implicit costs from total revenue, reflecting the true profitability of a business.