“A Nea A. priefiy review chain of events ’ 1. Physical effects Re Biochemioal and chemioal effeotd Je Cellular effects 4. Effects on whole organisa ° . Process of physical interaction l, Significance of alpha, beta, gamme raya and noone in this process R- Significance of these,rays with regard to pehetratic: and whether introduced within the organinm or arissny: from the outside Cc, Chemical and biochemical changes 1, Direct effect of lonization on vital cell molacuies 2. Indirect effects as a result of ionization of wator in the presence of oxygen 3 Relationship and importance Cellular changes i. Range of sensitivity of cells List most sensitive (gonads) to least sonaitive (norve, muscle, bone) 2. E. Nolate sensitivity of nucleus to cytoplaam Effects on the whole organien 1, JCAE Range of survival dose on mannala (guinnn pigs 2(0 >, rabbits 800 r) 2, Compare with non-manmalian radiation (virus 1,000,000 r) oO oo

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