A Corn (Zea Mays)mutant Is Developed That Is Impaired in Magnesium

question 26

Multiple Choice

A corn (Zea mays) mutant is developed that is impaired in magnesium uptake.The most likely phenotypic expression would be

• A)chlorosis,especially in the older leaves.
• B)a purple tinge to actively growing shoots.
• C)severely stunted root growth and branching.
• D)a reduction in leaf surface area.

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Definitions:

Cost Curve

A graphical representation showing how the cost of producing a good varies with the level of output.

Diminishing Returns

Diminishing returns is an economic principle stating that after a certain point, additional units of input result in progressively smaller increases in output.

Average Fixed

The fixed costs of production divided by the quantity of output produced, indicating the average fixed cost per unit.

Marginal

Pertaining to the additional or incremental changes in costs, benefits, revenues, or other quantities, typically used in analysis of business decisions or economic policies.