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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.
Which are the main cells of the nervous system? The major cells of the nervous system are the neurons. Besides the neurons the nervous system is also constituted of glial cells
Gonial Apospory and Somatic Apospory Gonial Apospory There is no meiosis. The megaspore mother cell enlarges; a small vacuole appears above and below the nucleus. The c
Define Elongation phase - mechanism of protein synthesis? Elongation: RNA polymerase moves along the DNA and sequential synthesizes the RNA chain. There is the repeated cycle o
Describe about the term - Bacterial Infections Bacterium is a loose generic name for any microorganism (typically one celled) that has no chlorophyll and multiplies by simple d
Binding site is the place on cellular DNA to which a protein (like transcription factor) can bind. Typically, binding sites may be found in the vicinity of genes, and would be inv
Sinus Perforations The maxillary antrum can sometimes be inadvertently penetrated. Through careful pre-operative planning using radiographs, including axial scans, this compli
Explain the Copper Toxicity in Human? Acute copper toxicity in humans is rare and occurs due to inadvertent consumption of copper salts. Symptoms include vomiting, diarrhoea, h
Hypoglycaemia Unawareness ? Some people with diabetes do not have early warning signs of low blood glucose, a condition called hypoglycemia unawareness. ? This conditio
show heading wise characteristics of phylum platyhelmenthiese
Concerning their biological function what is the difference between DNA and RNA? DNA is the source of information for RNA production (transcription) and therefore for protein s
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