Plant Hormones Can Have Different Effects at Different Concentrations

question 87

Multiple Choice

Plant hormones can have different effects at different concentrations. This explains how

• A) some plants are long-day plants and others are short-day plants.
• B) signal transduction pathways in plants are different from those in animals.
• C) plant genes recognize pathogen genes.
• D) auxin can stimulate cell elongation in apical meristems, yet will inhibit the growth of axillary buds.
• E) gibberellin concentration can both induce and break dormancy.

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Definitions:

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance.

Industry Supply Curve

A graphical representation showing the total quantity of a good or service that businesses in a specific industry are willing and able to supply at various prices.

Price of An Input

The cost associated with one unit of a raw material or component used in the production of goods or services.

Perfectly Competitive Industry

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.