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Germplasm Conservation - plant tissue and organ culture
Totipotent plant cells and shoot tips can be freeze-preserved in liquid nitrogen (-196? C) for long periods, and when required they can be thawed and cultured to regenerate whole plants. Alternatively, for short term storage, the proliferating shoot cultures or roots can be incubated at growth-limiting conditions, such as decrease in temperature (4-12?c) or low nutrients. Such cultures have been shown to retain viability for 1-3 years, without a subculture. Root cultures have been kept for 25-30 years.
A proton accelerates from rest in a uniform electric field of 650 N/C. At some later time, its speed is 1.3 106 m/s. (a) Find the magnitude of the acceleration of the proton. m/s2
Q. Nutrient requirement during angina pectoris? The nutrient requirement here is the same as discussed earlier, however, to sum up it can be said that we need to restrict calor
Which of the following E. coli can utilize lactose? Explain your answer. (-) superscript means mutation in the gene. Explain why the strain is able or unable to utilize la
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what is exonephric
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Describe Alternation of Generations? Alternation of Generations : In meiosis, four haploid daughter cells are formed from one diploid mother cell. The life cycles of sexuall
is the study of internal structure of cell included in cell biology or anatomy?
Why lymph is also called middle man of body
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