Molecular Biologists Rely on Many,often Sophisticated,techniques to Pursue Their Discipline

question 50

Essay

Molecular biologists rely on many,often sophisticated,techniques to pursue their discipline.One may list ultracentrifugation,electron microscopy,X-ray diffraction,electrophoresis,and computer interfacing as fundamental tools.Model organisms provide the raw materials for study.List three "organisms" (or organismic groups)often used by recombinant DNA technologists and describe a major advantage of each group.

---

Definitions:

Intercostal Space

The anatomical area between two ribs, through which nerves and blood vessels pass.

Midclavicular Line

An imaginary vertical line running down from the midpoint of the clavicle in the human body, often used as a reference in medical examinations.

Jugular Venous Pulsations

Observable pulsations of the jugular vein in the neck, used clinically to assess central venous pressure and heart function.

Sternal Angle

Also known as the Angle of Louis, it is the anatomical landmark formed by the junction between the manubrium and the body of the sternum, important in thoracic surgery and medicine.