Molecular Biologists Can Determine Experimentally Whether a Region of DNA

question 53

Multiple Choice

Molecular biologists can determine experimentally whether a region of DNA contains closed chromatin or open chromatin by assessing the sensitivity of the region to __________.

• A)nucleosomes
• B)histone deacetylase
• C)RNA polymerase II
• D)methyltransferase
• E)DNAse

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Definitions:

Cataracts

A condition characterized by clouding of the lens in the eye, leading to a decrease in vision that can develop slowly and affect one or both eyes.

Tympanostomy

A surgical procedure involving the insertion of a tube into the eardrum to drain fluid and prevent ear infections.

Otitis Media

An infection or inflammation of the middle ear, often resulting in pain, fever, and sometimes temporary hearing loss.

Otosclerosis

Condition characterized by progressive deafness caused by the fixation of the stapes of the middle ear.