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Regeneration - Root and Shoot Morphogenesis
Higher plants have three kinds of regenerative activities;
All plants possess inherent ability to regenerate lost parts. For example when a part of mature tissues are removed from stem, the exposed mature cells undergo differentiation, division and re-differentiation to restore the normal pattern. When a branch is cut and wound is made-damaged tissues are cast off and new cells take this place. A wound also results in the formation of a zone of cells that form a thick protective layer. Induction of hormones like auxins and cytokinins that promote cell division is also a reaction to wound and part and parcel of regeneration. Mobilization of nutrients towards the site of injury, synthesis of new hormones, increased cell division and thickening of cell walls etc. are some of the responses and contribute to regeneration.
An osteoclast is a type of bone cell that absorbs bone tissue by removing its mineralized matrix and breaking up the organic bone. This process is known as bone resorption
Q. Show Acute Complications of Diabetes? Acute complications of diabetes include: Hypoglycemia or low blood sugar: The most frequent cause of low blood sugar is poor timing
what is universality of genetic code
Toxoplasma cycles between its rodent and feline hosts,living out different phases of its existence in each. what is the scientific means about the cat and mouse.
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Q. What are the main opportunistic diseases that can affect AIDS patients? Among the opportunistic diseases that affect HIV contaminated people during the AIDS stage some are:
Explain anterior pituitary gland secretes hormones The anterior pituitary gland secretes hormones that elevate the blood glucose and therefore antagonize the action of glucose
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Define Harvard Step Test - aerobic capacity? In this test, the subject steps on and off an 18-inch platform at a rate of 30 times per minute. The evaluator records the subject'
describe general characters and classification of amphibia in brief
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