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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.
NONSTRIATED (= SMOOTH) MUSCLES - Non-striated muscles are found in the posterior part of oesophagus, stomach, intestine, lungs, urinogenital tract, urinary bladder, blood ve
E r y s i p e l a s A sudden onset of infection with the bacterium E rysipelothrix insidiosa ( E . rhusiopathiae ) is seen in turkeys and increasingly in free-rang
a) Mention the main cause of air pollution in metro cities. Write any three ways by which it can be decreased. b) How did Eli Lilly synthesize the human insulin? Mention
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The cystic fibrosis allele occurs in European populations with q=0.02, what fraction of this population can be expected to have cystic fibrosis?
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composition,sources,importance,types,requirements for each food substances
State the diagnosis of epilepsy A diagnosis of epilepsy is usually confirmed by an EEG. In some epileptics, however, seizures are difficult to demonstrate in this way, except u
What is the respective importance of water, carbon and nitrogen for living beings? Water is the major solvent of living beings and it is essential practically for all biochemic
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