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Floral Initiation
Activation is generally most marked in the central zone of the meristems. Most of the responses following inductive treatment have been recorded in different meristem components. For example in the peripheral zone in Sinapis alba, central corpus in Xanthium and sunflower, central tunica in tobacco, leaf primordia in some cases-are some of the zones where greater activity in terms of cell division and differentiation are noted in the shoot apex after exposure to inductive stimuli. Rise in RNA levels, increase in synthesis of new proteins, increase in general in translation, increase in ATP levels are some of the major molecular events that follow floral induction.
Gene or point mutations occur when the DNA sequence of a gene is altered and the new nucleotide sequence is passed on to the offspring. This occurs either due to addition or deleti
Reproduction Living things do not arise spontaneously. They arise only from pre-existing living things This is one of the fundamental tenets of biology. The ability of an orga
Neuroglia - Organisation of Nervous System We may refer neuroglia as the connective tissue of the nervous system. It involves all elements of the nervous system other than ne
Q. Evolutionarily protochordates may be intermediate animals between invertebrates and vertebrates. Imagine a scientist is testing the hypothesis that vertebrates evolved from echi
what is fluid mosaic model?
point out the criticism of lamarckism in any six short points.
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What is Chromosomes ? The terminology used to describe DNA replication may sometimes be confusing. Originally, the term "chromosome" referred to the structures seen through the
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