Choose the One Most Appropriate Answer for Each

question 15

Multiple Choice

Choose the one most appropriate answer for each. Each letter will be used once.
-vernalization

• A)growth response that orients parts of a plant in a direction influenced by light
• B)burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide
• C)an organism's response to changes in length of day relative to night
• D)organelle involved in sensing gravity
• E)light-sensitive pigment that helps set plant circadian rhythm based on length of night
• F)flowering after a long season of cold temperatures
• G)closes stomata in times of stress
• H)initiates fruit ripening in nearby fruits
• I)flowers only when hours of darkness fall below a critical value
• J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
• K)occurring on a 24-hour cycle
• L)flowers only when hours of darkness are greater than some critical value
• M)activates systemic acquired resistance
• N)inhibits the growth of lateral roots
• O)mobilizes food reserves in germinating seeds

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Definitions:

Lateral Geniculate Cell

A type of neuron in the thalamus that plays a critical role in processing and carrying visual information to the visual cortex.

Retinal Ganglion Cell

A type of neuron located in the retina that receives visual information from photoreceptors via intermediate bipolar cells and amacrine cells.

On-centers

Cells in the retina that are stimulated when light hits the center of their receptive field, contributing to the initial processing of visual information.

Temporal Lobe

A region of the cerebral cortex responsible for processing auditory information, and also involved in memory and speech.