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Why are the recombinant DNA technology and the nucleus transplantation technology still dangerous?
The recombinant DNA technology and the nucleus transplantation technology (cloning) are extremely dangerous as they are able to change, in a very short time, the ecological balance that evolution has taken millions of years to make on the planet. During the evolutionary process, under the slow and gradual action of mutations, genetic recombinations and of natural selection species emerged and were changed and genetic patrimonies were formed. With genetic engineering however humans can mix and modify genes, making alters of unpredictable long term consequences, risking creating new plant or animal diseases, new types of cancers and new disease outbreaks. It is a field as potentially dangerous as the manipulation of nuclear energy.
Why is there little or no grass in the forest? 1. Because of the presence of the bushy trees close together in the forest, sunlight does not penetrate simply to the ground. Thi
A red blood cell has an internal salt concentration of 150mM. The cell is placed in a beaker of 500mM salt. (a) Assuming that the cell membrane is permeable to water but not to
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Q. Are all pneumonias caused by bacteria? The Pneumonia is the generic name of inflammation of the lungs. Moreover bacterial pneumonias, there are pneumonias caused by fungi, v
Distribution of Stomata There are two parameters normally used for expressing the distribution of stomata. Stomatal frequency: The number of stomata per unit area
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EA R It is phono receptor as respond to sound waves. It is teloreceptor as receive stimuli from far distance. It is stato-acousting organ as concerned with b
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