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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Senescence Plants begin their development after seed germination. They grow, flower and finally senesce and die. The period from the start to death is called the longevity or
Q. Elimination of the risk factors - diabetes mellitus? In other words, in diabetes it refers to maintaining of normal body weight, healthy nutritional practice, regular physic
Q. After the blastula stage what is the following stage of the embryonic development? What is the passage from blastula to the next stage called? The blastula turns into gastru
Explain about the Neuro Trauma? Neuro or head trauma includes brain injury, skull fractures, extraparenchymal or internal brain haemorrhage, Brain injury can be divided into th
Q. What is the difference between spermatocyte II and spermatocyte I? The spermatocyte I (2n) undergoes the first division of meiosis (meiosis I) originating two spermatocyte I
Define Genetic engineering and Biotechnology Genetic engineering or recombinant DNA technology, involves the use of a variety of enzymes, such as restriction endonucleass and
What is a genotype? What is the difference between genotype and phenotype? Genotype is the genes, DNA nucleotide sequences have in the chromosomes of an individual that conditi
What are the main theoretical models that try to explain the formation of the enzyme-substrate complex? There are two major models that explain the formation of the enzyme-subs
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Define Transport Proteins in Plasma? Transport proteins, embedded in lipid membranes, make easy the import of nutrients into cells or the release of toxic products into the sur
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