When CpG Islands Are Unmethylated, __________

question 56

Multiple Choice

When CpG islands are unmethylated, __________.

• A)chromatin in the promoter region is open, allowing access by transcription factors and RNA polymerase
• B)chromatin in the promoter region is closed, preventing transcription factors and RNA polymerase from binding
• C)chromatin in the enhancer region is closed, so they are unable to bind regulatory proteins to initiate transcription
• D)DNAse hypersensitivity in that region of the chromosome is lost
• E)genes downstream of the CpG islands cannot be expressed, because the promoter region is blocked by histones

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Definitions:

Psychological Laboratory

A controlled environment designed for the study and research of psychological phenomena and behaviors.

Functionalism

A psychological philosophy that considers mental life and behavior in terms of active adaptation to the person's environment.

Mechanical Repetition

The act of repeating an action or a set of words mindlessly or without understanding, often for learning or practice.

Objective Sensations

Perceptions that correspond to external stimuli and are not influenced by personal feelings or interpretations.