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What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
Mercury is a metal that when present in the water of lakes, rivers, and seas contaminates fishes, molluscs, crustaceans, and other living beings. The mercury accumulates with the food chain and in each following trophic level the amount of the metal within the individuals is higher. When humans eat contaminated animals they also become contaminated and severe nervous system injuries may emerge. The main sources of mercury pollution are gold mining and the use of derived substances in industry and agriculture.
Identical Twins Human twins may be similar, when they are formed from one egg (monozygotic) or fraternal while they are the result of fertilization of two different ova releas
Infectious bursal disease (IBD) It is a highly contagious acute disease in young chicken up to 6 weeks of age causing high morbidity and low mortality. Bursa may atrophy at th
MENSTRUAL CYCLE - It occurs only in Primates. Start at the age of 13 yrs. upto menopouse. During this period, generally one egg is released every 28 dyas or so alternately f
Production of Rare Hybrids Hybridization is a well established plant breeding procedure to obtain superior plants by combining useful characters distributed in different plan
Determination of Limb Polarities The limb pattern is characterized by three axes (or polarities) as displayed in diagram: (1) The direction from the shoulder (or hip) to t
CELLULOSE It is a linear polymer of b -D-glucose. It is the structural polysaccharide of plant cell walls, walls of some primitive fungi, some protists, and tunic of asci
does circular dsdna have domains
Ask question #M1. Discuss why Obelia is considered to be of special interest in Zoology as an animal showing an intermediate grade of organization. inimum 100 words accepted#
Describe Class Ophiuroidea in general way? Brittle stars have a central disc with five long, thin, flexible arms that can be detached from the body at will in times of danger.
Explain Leaf Primordia ? In contrast to the root, which produces branches from meristematic tissue called the pericycle, shoots have areas of meristematic tissues called nodes
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