Exam 31: Molecular Radiobiology

The most radiosensitive macromolecule is ___________.

Molecular lesions of DNA are called ________________.

Free radicals can be damaging because they are _______________________.

In vitro irradiation of macromolecules causes ___________ damage to macromolecules.

The disassociation of water molecules following irradiation is termed _____________.

A type of DNA damage that may not be reversible is a _________________.

Radiation damage to DNA can result in _________________.

The principal radiation interactions within the human body are assumed to be ________________.

The principal radiation interaction within the human body is with _____________.

An indirect effect from ionizing radiation occurs on a ___________ molecule.

If a macromolecule has (a) _____________, it will break down into smaller molecules.

When an atom of water is irradiated it first dissociates into _________________.

Two OH* free radicals can join to form __________________ molecules.

Ionizing events from irradiation are considered to be direct effects if they occur with ___________ molecules.

DNA is contained in the __________________ of the cell nucleus.