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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.
Q. Describe Ventricular and Great Vessel Pressures? Ventricular Pressure RV and LV waveforms are similar in morphology but different in magnitude. The duration of systole an
Kangroo Rat Kangroo rat Dipodornys merriami, a native of South-West America is a classical example of how small mammals survive in desert. It exhibits all the osmoregulatoryad
A classic study of extrasensory perception tests the ability of one person to read another's mind. The test uses five cards with different designs, all known to both participants.
Describe Class Diplopoda and Chilopoda in detail? Members of the Subphylum Crustacea and the Subphylum Uniramia have one major characteristic in common. Both groups have biting
Biogeochemical Cycling - Nutrient Cycles The energy flows through ecosystems enabling the organisms to perform various kinds of work, and is ultimately lost as heat. It is gon
WHAT ARE STAKEHOLDERS?
Which are the brain regions associated with memory? According to researchers some of the main regions of the nervous system associated with the memory phenomenon are the hippoc
How Athletes benefit from consuming high carbohydrate foods? Athletes benefit from consuming high carbohydrate foods immediately after ending repeated intervals of intense exer
Hybrid sterility can be regarded as yet another form of interspecific sterility. The offspring of the interspecific crosses are mainly sterile. Geological studies have shown that t
Kinds of Matter On basis of its chemical organization, matter id of three categories elements, compounds and mixture An element is composed of obviously, earth similar atoms
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