Where Is RNA Found After the Ethanol Precipitation Step in the DNA

question 87

Multiple Choice

Where is RNA found after the ethanol precipitation step in the DNA isolation procedure?

• A)at the interface between the aqueous and phenol phases
• B)in the aqueous phase
• C)in the phenol phase
• D)at the ethanol/saline interface
• E)settled in a flocculant precipitate at the bottom of the vessel

---

Definitions:

Cryosurgery

The use of extreme cold to destroy unwanted tissue, such as skin lesions.

Grounding Pad

A device used during medical procedures to protect the patient from electric shock by providing a path for the electrical current to the ground.

General Anesthetic

A class of drugs that cause loss of consciousness and sensation used during surgeries to ensure patients do not feel pain.

Absorbable Sutures

Surgical threads that naturally break down and are absorbed by the body over time, eliminating the need for removal.