acyl group enzyme

Summary - Endocrine system consists of many endocrine or ductless glands, which secrete hormones into the blood. Hormones are information molecules, which regulate specific physiological processes in the target cell, tissues or organs. Hormones co-ordinate the activities of different organs and tis..

Starch - Starch occurs in all plants, particularly in their seeds. The main sources are wheat, maize, rice, potatoes, barley and sorghum. Starch is a white amorphous powder, insoluble in cold water. It solution in water gives a blue color with iodine solution. The blue color disappears on heating a..

. The ATP molecules transfer energy to other biological molecules. ATP (adenosine triphosphate) is an energy rich compound having three phosphate group attached to a nucleoside of adenine (a nitrogen base), called adenosine (adenine + pentose sugar). Of the three phosphate groups..

) and clotting of blood. Clotting of blood involves the soluble protein in blood called the fibrinogen. The series of enzymes that convert fibrinogen to fibrin are also present in their inactive forms. Damage to the blood vessel results in a series of reactions that change the inactive ..

. Water functions as a universal solvent in which almost all polar and ionic substances can dissolve. It provides a matrix for macromolecules to assume their biologically active conformations. It has a significant role in maintaining a steady state in cells. Minerals form only about 1 to 3% of the ..