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Light Requirement - Seed Dormancy
The light requirement for germination of many seeds is presumably a mechanism that prevents the germination of small seeds buried deep underground, where they would exhaust their reserves before reaching the surface ad becoming autotrophic. However, after a fire many seeds germinate at once, and forest regeneration begins.
This mechanism prevents overcrowding in a mature forest and ensures rapid re-growth after a disaster. Not all seeds require light for germination; some are unaffected and a few are inhibited by light. Blue light at quite high intensity has some effect on the germ ination of certain seeds, but it is not clear whether this is mediated through the absorption of blue light by phytochrome or by some other pigment.
Q. What is a population? In the Biology a population is a set of individuals of the same species living in a given place and in a given time.
Which enzyme acts on pyruvate in mitochondria and converts it to acetyl CoA?Name its components and cofactors associated with it. Pyruvate dehydrogenase complex acts on pyruvate
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Gametogenesis - Human Development Gametogenesis as you are responsive is the process of formation and development of specialized reproductive cells, ova in females and sperms
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