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Culture Medium - Techniques of Plant Tissue Culture
In nature green plants are capable of synthesizing organic compounds necessary for their growth and development from the mineral nutrients and they can absorb water from the soil and obtain CO2 from the atmosphere. However, in tissue cultures the normal biosynthetic potentiality of the cells is weakened, therefore, it is necessary to provide all the essential organic and inorganic nutrients (including sucrose) and growth regulators, particularly an auxin and a cytokinin. Nutritional requirements for optimal growth of tissue cultures may vary with the source (plant). They are also affected by the age of the explants and the stage of development. For example very young embryos require a more elaborate- component of the medium as compared to mature embryos. Similarly culture requirements of single cells are more complex than shoots.
What is gluconeogenesis? Highlight its significance giving any two examples Gluconeogenesis (i.e synthesis of new glucose) is the synthesis of carbohydrate from non-carbohydrat
If the osmolarity of plasma (inside a capillary) is 300 mOsM, the osmolarity of the tissue fluid (interstial fluid) is 400, and the membranes are permeable to water but not to salt
1. What are the examples of helobial endosperm
The normal flow pattern cross-mitral valve is a tall E wave where is due to early rapid filling and small A-wave which is due to atrial contraction. E/A ratio >1. Pulmonary
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Approach grafting In this method both scion and stock remain rooted. A small slice is cut off from the stem of scion and stock. Scion is bent towards the stock. The two c
Types of Embryogeny On the basis of the plane of division of the zygote and of the cells of the 2-celled proembryo, and also taking into account the relative contributions of
Q. Where do the photochemical and the chemical phase of photosynthesis occur? The photochemical phase of the photosynthesis procedure occurs mainly on the thylakoids the green
Pericardiocentesis : This is usually done by the cardiologist. It is better done with ECG and haemodynamic monitoring. Subxyphoid route is preferred with the patient positio
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