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define relationship of proteins with physiologythese form building block through their amino acids they pass through blood stream and go to liver
define fats - nutritional componentsonce the body stops eating it begins to live on its fat fat storing depots adipocytes are located in the
define carbohydrates sugar like a candle can burn but burning requires oxygen we eat to do work to do their work cells need an important group of
explain joules lawwork done is directly proportional to the heat
alternating current acsuch a current can be obtained if a resistor is linked in series with a source of alternating voltage this current alters its
direct current dcsuch a current can be getting by connecting the two ends of a conductor to the terminals of the battery this current doesnt change
conventional currentearlier scientists had no knowledge of the concept of electron so the developed the convention still in use that the direction
characteristics of resistance in paralleldifferent amount of current passing by each resistance ie i i1 i2 i3 i4 the potential difference across
resistance in parallelwhen two or more resistance are linked in such a way that one end is of the every resistor is connected to one terminal of the
characteristics of resistance-similar amount of current passed by each resistance ie i i1 i2 i3 i4 the sum of potential difference across
define nutritionto common man the word nutrition implies food food is essential for growth and development physiology becomes an interlink between
resistance in seriesin such a combination the resistors give a single path to the passage of current and similar current passes by each of the
combination of resistancein electric circuits the resistors are interlinked in two waysresistance in seriesresistance in
electric circuitthe path by which an electric current passed is known as an electric circuitthe electric appliances are known as
explain modulating process of ageingdespite various researches ageing becomes an inevitable process the only option is to have good control measures
explain genetic theory of ageingrate of ageing varies between species the difference is in the genetic changes in the species thus it can be said
explain free-radical theory of ageingthe body is subjected to a dilemma on one hand o2 is essential for life and on the other hand oxidative
ohms lawthe current passing by a conductor is directly proportional to the potential difference applied across its end given the temperature and
explain somatic mutation theory of ageingrandom mutation makes the cells inefficient an increase in the number of mefficient cells in an organ
factors on which resistance dependsresistance of the conductor depends on the following factorsnature of the conductorlength of the conductorarea of
1 ohmif a potential difference of 1 volt is applied across the ends of a conductor and the resulting current flowing by the conductor is 1 ampere the
explain error catastrophe theory of ageingas the cells age there is a random increase in error in protein synthesis due to insertion of wrong amino
resistanceresistance is the opposition to the motion of electrons this arises as a result of collision of moving electronsthe unit of resistance is
1 ampere1 ampere current is supposed to be flowing in a conductor if one coulomb of charge flows across section of the wire in one
define age related changes in special sensespresbyopia decline in the ability to focus near objects senile cataract etc can be observed as eye