The _____ have the function of cleaning contaminants from the cell.

The concept of Relative Biological Effectiveness refers to specific cells or tissue. RBE alone is not practical for specifying radiation protection dose levels in humans. To overcome this limitation a _______  _______ factor is employed to calculate the equivalent dose EqD.

Before cells mature, they are called _____ cells.

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

A single absorbed dose of _____ can cause radiation induced skin erythema within 24 -48 hours  after irradiation. 

The human body is composed of about 80% _____.

The tissue in the _____ is more radiosensitive than _____ tissue.

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

The _____ in the cell are nucleic acids.

Which of the following is a type of white blood cell that is essential for fighting infection?