General Physiology: The Cell and Its Functions, Study notes of Occupational therapy

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PhYS1: General PhysigLoGy Chapkr 2: the Cell aNd Vs functions é 7 OPQONATIONxORATHECE G. building blocks of the body + Provides Hructure Fol the bodys organs + tissues “ingesting nusrients ond converting them to mMergy + Perform specialited funchons tondaing the body's Neredity code 4nad contro|s the substances synthes\red by the cells anc permits them +o make copks of New Selves wo om fans OF He Cell: NUcieus er *stperakd from ne culoPlasm by a nuclear membrane 4 Os asm : : = seperated from the surrounding fiuidd by a cel membrane also called ane pracma mem brane ‘ 3 PCOTOPLASM < Ce different sulatanus that make up the cell G OM pused mainly of five basic subsranas : water, electrolytes, PrDicins, lipids; and carbohydra ts O waxr i , Ce principal suid medium oF the cell Ls present in most coms except for Fat celis Le constitute 70-957 ef most cells Le containg Aissolved enemi cals Le sees as medium where chemical reactioNS take plac - ® \ons Le IMporians ions in the cell includes Potassium, magnesium, Phos Phak , sulfate, bicarbonole ond cmaller quantities of codium, chloride, ond ldun - We provides inorganic chemicals for cellular reactions ond pisd necessary for OPEAHON of Some oF the cellular contro) mechanisms ® Proteins Wr oF kr wake, it is the most abundant substances in most cells Le constitute 10> 207. Of. 4he cell mass Le pivided ini? 2 paris: © structural protein ( microtubules + mictOtila ments) Le presend in tne cell Mainly in the Form o¢ Iona Filaments tat are, Polymers of many individual Proting molecuies. We a Promine use og such intracellular tilamenis is to orm mi ord Hable © functional prorcing > USUALLY COMPOSED Of COM binations OF a fem MOCUIEs In fubular- globular Forms