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Q. What are some human diseases caused by bacteria and what are their respective modes of transmission?
The major human bacterial infections transmitted by respiratory secretions (cough, sneezes) and saliva drops are tuberculosis, bacterial pneumonias, whooping cough (pertussis), diphtheria, bacterial meningitis. Major bacterial diseases transmitted by blood or sexual contact are gonorrhea, syphilis. Major bacterial diseases transmitted by animal vectors are endemic typhus, bubonic plague, leptospirosis. Various bacterial diseases transmitted through fecal-oral route and contaminated foods are typhoid fever, cholera and other important bacterial infections: Hansen's disease, possibly transmitted by saliva drops and contact with injured mucosae and skin, trachoma, eye disease transmitted by ocular secretions, tetanus, transmitted when the etiological agent enters the body through skin wounds.
How are the excretory systems of the three main arthropod classes constituted? In crustaceans a pair of excretory organs known as green glands exists. The green glands collect
Segmentation - Metazoa Segmentation or metamerism is the division of the body into smaller transverse compartments along the anterior-posterior axis. Segmentation is widesprea
Describe about the extra-ocular muscles The extra-ocular muscles are mainly involved in the maintenance of postural tonicity and performance of quick contractions. The prima
Q. What is the name of the sea anemones and larva of corals? What is the biological importance of that larval stage? Sexual reproduction in sea anemones and corals have a larva
What are Cytokines? Cytokines are polypeptides, which influence the proliferation, differentiation, metabolism and activation of cells. There are three areas in cancer that hav
Explain The working of Senses: Touch, Hearing, Equilibrium ? The senses are detected by sense organs, collections of receptor cells, or cells closely associated with them. A m
Advantages of vegetative propagation Vegetative propagation helps to maintain fixed qualities and characteristic features of the parent plant. For Example in ornamental p
Define Key Concepts and Facts about Disaccharides? 1. All disaccharides contain 2 monosaccharides. 2. Disaccharides are linked by glycosidic linkage. 3. If both the functional
Define Reagents for Estimation of Calcium Using EDTA Titrimetric Method? 1. Buffer solution: Dissolve 16.9 g NH 4 CI in 143 ml NH 4 OH. To this add 50 ml of solution containing
Q. Of which kind of tissue are bones and cartilages made? Cartilages and Bones tissues with great amount of intercellular material are formed of connective tissue. Q. Are t
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