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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.
Regulation of the Citric Acid Cycle The citric acid cycle is regulated by certain enzymes and by the availability of ADP.
TYPES OF SPERM Mainly two types . (1) Flagellated Sperm - Generally all sperm are monoflagelated, but in todfish or opsonus sperm is biflagelated. (2) Non flagellated spe
Insulin, insulin syringe and insulin devices Insulin is the hormone used to treat diabetes mellitus. Insulin is given in the form of injection, because the gastro intestinal tr
Non-Surgical Therapy The most conservative approach to treatment involves non-surgical therapy. This treatment modality includes three subcategories: a) Pharmacological ther
Late recurrence of artgirza: This is a reflection of progress of disease in the native coronary arteries distal to the grafts or narrowing or blockage of one or more of the g
Which of the following is true for the following spanning membrane proteins? A. The mAChR (muscarinic Acetylcholine Receptor) is a spanning membrane protein located in the memb
General Principles for Incisions The general principles for placing incisions so as to create surgical flaps remain the same regardless of the reason for creating them. These a
Discuss why Obelia is considered to be of special interest in Zoology as an animal showing an intermediate grade of organization.
Define Body Building functions of proteins? The primary functions of proteins, as you might be aware, is tissue growth and maintenance. Protein contains amino acids - the build
How does aggregation occur in sickle-cell anemia? Place the steps in the correct order from no aggregation to sickle red blood cell. Note that deoxyhemoglobin is generally in the T
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