Which of the Following Is the First Step in Chromatin

question 24

Multiple Choice

Which of the following is the first step in chromatin immunoprecipitation?

• A) Extraction of chromatin from cells
• B) Cross-linking with formaldehyde
• C) Shearing by sonication
• D) Addition of antibodies to recognize proteins that bind to DNA
• E) PCR to amplify the target sites

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Definitions:

Vestibular Sacs

Structures within the inner ear that contribute to the sense of balance by detecting changes in head positioning.

Nociceptors

Specialized sensory receptors found throughout the body that respond to potentially harmful stimuli by sending pain signals to the brain.

Olfactory Receptors

Specialized nerve cells in the nose involved in detecting odors and converting them into signals sent to the brain.

The Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, playing a key role in the process of hearing.