Webdirect effect mechanism of action. -biological molecules absorb energy and generate free radicles. -free radicals break apart or cross link. -altered biological molecules differ from original molecules structurally and functionally. indirect effect of radiation damage to DNA. -radiation initially acts on water molecules to cause ionization. WebJan 28, 2024 · Alpha particles, beta particles and X-rays can directly affect a DNA molecule in one of three ways: Changing the chemical structure of the bases; Breaking the sugar …

Ionizing radiation, health effects and protective measures

WebRecap. ・When the human body (its cells) is exposed to radiation (X rays and gamma rays), electrons are emitted from atoms and molecules. ・These electrons bounce around, … WebIonizing radiation can cause biological effects which are passed on to offspring through the epigenome. The effects of radiation on cells has been found to be dependent on the dosage of the radiation, the location of the cell in regards to tissue, and whether the cell is a somatic or germ line cell. Generally, ionizing radiation appears to ... creeches florist mt pleasant sc

Chapter 8: Early Tissue Reactions and Their Effects on Organ ... - Quizlet

WebX-rays and gamma rays have the same basic properties but come from different parts of the atom. X-rays are emitted from processes outside the nucleus, but gamma rays originate inside the nucleus. They also are generally lower in energy and, therefore, less penetrating than gamma rays. X-rays can be produced naturally or artificially by WebThe demonstration of a bystander effect in 3D human tissues and, more recently, in whole organisms have clear implication of the potential relevance of the non-targeted response to human health. Consequences. This effect may also contribute to the final biological consequences of exposure to low doses of radiation. WebRadiation can be lethal to biological organisms by inducing genetic damage and chemical changes in key biological macromolecules. [3] ... DNA in particular is highly sensitive to the damaging effects of radiation and will … creech family reunion