By Their Experimentation Using the Neurospora Fungus, Beadle and Tatum

question 28

Multiple Choice

By their experimentation using the Neurospora fungus, Beadle and Tatum were able to propose the far -reaching hypothesis that _.

• A) several different enzymes may be involved in the same step in a biochemical pathway
• B) the role of a specific gene is to produce a specific enzyme
• C) genetic recombination occurred in Neurospora
• D) prototrophs will grow only if provided with nutritional supplements
• E) more than one codon can specify a given amino acid

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Definitions:

Cystic Fibrosis

A genetic disorder that affects the lungs and digestive system, characterized by thick, sticky mucus production.

Thoracic Trauma

Injury to the chest area, which can affect the lungs, heart, and other components within the thoracic cavity.

Postural Drainage

A technique that uses gravity to assist in the drainage of mucus from the lungs and airways, often involving positioning the body in various ways.

Tube Feedings

A medical method to provide nutrition directly to the stomach or intestine through a tube, used when patients cannot eat by mouth.