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The basic functional unit of kidney is

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Consider the following statements regarding evolution and choose the correct answer: 1. Basically, evolution is the result of the differential survival in each generation of the progeny of the individuals with certain special characteristics 2. The organization of genes in chromosomes and the behaviour of these during cell division do not affect the mechanisms of evolution 3. Due to sexual reproduction there is a tremendous increase in variability 4. Differential survival is always partly due to capacity to adopt to the physical environment Life of red blood cells in the body is Which of the following manufactures carbohydrates by the process of photosynthesis? Genetic drift operates in Meiosis II is similar to mitosis in that