The Differentiation of Whorls in the Flower-Forming Region of the Plant

question 42

Multiple Choice

The differentiation of whorls in the flower-forming region of the plant Arabidopsis thaliana is regulated by _______ genes.

• A) organ identity
• B) dimer
• C) whorl locator
• D) caspase
• E) central axis control

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Definitions:

Masking Stimulus

A stimulus used to interfere with the perception of another stimulus, often used in research to study attention and perception processes.

Stationary Object

An object that is not in motion; remaining in the same place relative to its surroundings.

Just Noticeable Difference

The minimum difference in stimulation that a person can detect 50% of the time, also called the difference threshold.

Ounce

A unit of weight in the avoirdupois system, equivalent to 1/16th of a pound or approximately 28.35 grams.