How Does Phytochrome Control Flowering

question 24

Multiple Choice

How does phytochrome control flowering?

• A)by determining whether day length exceeds a critical minimum
• B)by inducing differentiation of cells in the apical meristem
• C)by sensing sunrise and sunset
• D)by determining whether day length is shorter than a critical maximum

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Definitions:

Social Learning Theory

A theory that proposes people learn new behaviors through observation and imitation of others, reinforced by external rewards or punishments.

Intermittent Reinforcement

A conditioning schedule where reinforcements are given on a partial or unpredictable basis, significantly affecting learning and behavior persistence.

Continuous Reinforcement

Continuous reinforcement is a learning strategy where a desired behavior is rewarded every time it occurs, leading to quicker learning of the behavior.

Observable Behavior

Actions or conduct that can be seen and measured externally, as opposed to thoughts or feelings that cannot be directly observed.