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Bushong chapter 29

Deterministic effect Occurs within days after exposure. In crease in severity with increasing radiation dose.
Stochastic effect not observed for months or years. The incident of radiation response increases with increasing radiation dose.
85 % of the human body is composed of hydrogen and oxygen
5 types of molecules found in the body and 1 macromolecule proteins, lipids (fats), carbohydrates (suagars/starches), nucleic acid Macromolecule: DNA
Catabolism Breaking down into smaller units
Anabolism Production of LG molecules from small
DNA Command/controls for cell function; contains hereditary info
protein synthesis Metabolic production of proteins
Proteins Funtion as enzymes, homones and antibodies. Give the body structure and support
Proteins: generalized formula CHONT (carbon, hydrogen, oxygen, nitrogen, trace elements)
Lipids Glycerol and fatty acids, structural components of cell membranes (thermal insulator under skin), fuel for body
Lipids: generalized formula CHO (carbon, hydrogen, oxygen)
Carbohydrates AKA: saccharides, monosaccharide's, disaccharides. Chief function is to provide fuel for cell metabolism.
Carbohydrates: generalized formula CHO hydrogen atoms to oxgen atoms ratio is 2:1
Disaccharides Sugars C6 H12 D6
Polysaccharides Large and include plant starches and animal glycogen C6 H10 O5
Ultimate molecule that fuels the body: Glucose
RNA: two types mRNA (messenger) ; tRNA (transfer)
What is RNA involved in? Growth and development
Created by: lvilla