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Q. What is the function of keratin in the epidermis?
The epidermis is the outer layer of the skin made of epithelial tissue in the epidermis there are keratin-secreting cells (keratinocytes). Keratin is an insoluble protein that impregnates the surface of the skin providing impermeability and protection, in mammals keratin also forms the hairs.
The keratinized cells of the skin surface form the corneal layer these cells die and are continuously replaced by others.
Define Functions of sodium and chloride? So far you have learnt that most minerals participate in important functions of body as they support the activity of specific enzymes.
Indirect determination: By determining the weight of the filler on the dried filter paper you can calculate the weight of aspirin in each tablet: weight of acetylsalicylic ac
The principal nitrogenous excretory compound in humans is synthesised: 1. in kidneys but eliminated mostly through liver 2. in kidneys as well as eliminated by kidneys 3.
Phylum Phaeophyta (brown algae) 1) They are brown algae, apart from chlorophyll they have brown pigment i.e. fucoxanthin which predominates. 2) They are one of ,the most com
Define the Need for classification of Plants and Animals? First of all there is a need to know what classification is? Let us define in simple term. Classification is placing o
Q. What is the hematopoiesis? Hematopoiesis is the formation of blood cells with other constituent elements of the blood. Q. Where does hematopoiesis occur? Hematopoies
Q. How are the excretory systems of the three major arthropod classes constituted? In crustaceans a pair of excretory organs called green glands exists, the green glands collec
The evolution of human kind can be regarded as the climax of phylogenic history of organisms. In the previous units of this block as well as the previous block we have detailed for
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The bonding geometry of C,O,N is determined by- Select one: a. The number of electrons in their outer energy level b. SP3 hybridization of orbitals in the valence shell
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