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State of the System and State Functions
. Thus, state of the system may be defined as its conditions of existence of the system when its macroscopic properties have definite values. When the state of a system changes its macroscopic properties also change and acquire new definite values. The macroscopic prop..
State of the System and State Functions
State of the system implies the conditions of its existence. In order to understand it, let H 2 O be considered as a chemical system. H 2 O can exist in three physical states; ice, water and steam depending upon the conditions of temperature and pressur..
Structures of Functional Groups Present in Carboxylic Acid Derivatives
The structure of the functional groups in acyl halide, acid anhydride, ester and amide are similar to that of the carboxyl group. Due to the presence of lone pairs of electrons at the halogen, oxygen and nitrogen atoms, resonance is possible in these derivatives just like ..
Life is a manifestation of specific characters. It is these characters, exhibited by living organisms that may be considered as the closest to 'being alive'.
Living organisms have a definite organisation consisting of structural and functional units called cells that make the physical basis of life namely protoplasm. Living organisms obtain simple molecules from their surrounding environment, convert them int..
Functions
1. Activator of enzymes like oxidases, peroxidases, dehydrogenase, kinases and dicarboxylases. 2. Maintenance of lamellar structure of chloroplast. 3. Essential for photolysis of water and evolution of oxyg..
Functions
1. Iron is a constituent of cytochromes, ferredoxin, nitrogenase, catalase peroxidase, hematin etc. 2. Essential for the development of chloroplast and chlorophyll. 3. Many of iron containing enzymes take part in electron transfer in both photosynthesis and respiration. 4. Structure of po..
Microscopic Structure of a Nephron
The nephron is the structural and functional unit of the kidney. Each nephron functions as an independent unit and produces a miniscule quantity of urine. The nephron can be differentiated into the following regio..
Structures of Amino Acids
Structures of Amino Acids - Amino acids are the building blocks of proteins. There are 300 amino acids that occur in nature. Among these only 20 are known as standard amino acids that commonly occur in proteins. Amino acids contain two functional groups. They are - amino and car..
Structures of Amino Acids
Amino acids are the building blocks of proteins. There are 300 amino acids that occur in nature. Among these only 20 are known as standard amino acids that commonly occur in proteins. Amino acids contain two functional groups. They are - amino and carboxyl groups. The amino group (-..
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