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Q. What are the major harms caused by vitamin A deficiency? How does this vitamin act in the physiology of vision?
Deficiency of vitamin A (retinol) may corneal dryness (xerophthalmia), cause night blindness and predisposition to skin injuries.
In the physiology of vision vitamin A participates in the formation of rhodopsin a pigment responsible for the visual perception in less illuminated places. Nutrition Vitamins - Image Diversity: vitamin A deficiency.
The improper handling and transfer of the solid wastes results in various health and environmental hazards, such as: 1. Spoilage of landscape: Municipal wastes heap up o
what is the classification of skeletal tissue?
FUNCTIONS (1 ) Intracellular digestion - Individual cells may obtain food through phagocytosis. The same is digested with the help of lysosomes. It is of two types:-
Pathogenic bacteria Heterotrophic bacteria could be divided into saprophytes and parasites. Saprophytes normally do not cause any disease and they survive on dead or decaying
Drosophila has 4 bivalents (homologous chromosomes) formed at Meiosis I. How many chromosomes and chromatin strands are present in each of the following stages- Anaphase of mito
What are gibberellins? Where are they produced? Gibberellins are plant hormones that stimulate plant growth, flowering and fruit formation (also parthenocarpy) and the germina
Explain Requirements for Simple Staining of Bacterial Cultures Culture: 24 hours bacterial culture of E. coli and Bacillus on nutrient agar or in broth. Reagents: Methylene
Q. How different are the concepts of migration, emigration and immigration? The Migration is the moving of individuals of a species from one place to another. The Emigration is
Oxidation-reduction Potential (ORP) ORP is related to the concentration of oxidizers or reducers in a solution, and their activity or strength. It provides an indication of th
Write a DNA palindrome or inverted repeat of at least 10 nucleotides in length.
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