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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.
Define the term - Functional magnetic resonance imaging Functional magnetic resonance imaging (fMRI) is a recent development that permits simultaneous measurements of the brain
Q. What are the plant cell vacuoles? And what are their functions? And what is the covering membrane of the vacuoles called? Plant cell vacuoles are cell structures delimited b
The synthesis of the three fundamental polymers of life, DNA, RNA and protein, is template-directed. This means that - Answer A. the monomers are assembled one by one in a sequence
Congenital impotentia genarandi Some bulls which are otherwise normal and healthy produce semen containing spermatozoa with specific morphological abnormalities together with
Metabolism of Pollen Tubes Pollen grains contain auxins, and gibberellins which are known to be involved in post- pollination enlargement of the ovary and the development of
SOM E COMMON REFLEXES RELATED TO RESPIRATION - 1. Cough Reflex: Due to stimulation in Trachea before it 2.5 lit. air is inhaled. 2. Sneezing Reflex: Stimulati
The extracellular surface of the plasma membrane is frequently covered with a protective coat of carbohydrate. A Sugar residue of this carbohydrate coat can be
Procedure for testing Presence of Vanaspati and Rancidity in Ghee? Carry out the steps enumerated herewith for conducting this exercise. For Vanaspati Checking: 1. Take 5
Define Classification of Weight Imbalance? Obesity is defined as a condition with accumulation of excess body fat. Do you think that a measure of how much fat a person has in i
Assume that you have 1 ml of a solution of amylase (an enzyme) at a concentration of 15 mg protein/ml. Calculate the volume of diluting buffer that you would have to add to 1.0 ml
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