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Fertilization - Development Biology
Previously you knew the process which leads to the differentiation of the male and female germ cells, the sperm and ova, respectively. In this section we shall describe the process by which the sperm and the egg unite to form a zygote. This process is known as fertilization. Fertilization results in
Activation would essentially mean that a sequence of metabolic and morphological changes are triggered that in turn cause the division of a unicellular zygote into a multicellular organism. Mostly we will describe the fertilization in mammals with occasional references to sea urchins. It is true that depending upon the habitat as well as the life styles there may be variations in the fertilization process in diverse organisms. But generally the events of fertilization are more or less similar in many different organisms. Prior to the actual fusion of the sperm and the egg nuclei, the germ cells prepare themselves for the fertilization process.
Explain Procedure for Spore Staining in a Given Bacterial Culture Carry out the exercise following the steps enumerated herewith 1. Take a clean, non-greasy slide. Prepare b
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What is the effect of physical activity on health? The Surgeon General's report (1996) summarizes the effects of physical activity on health as follows. Overall Mortality: H
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"Diversity is good" is one of the axioms of conservation biology. However in absentia of historical information, why is noting higher diversity in a system NOT the best way to eval
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The permissible use of the technique amniocentesis is for: 1. detecting sex of the unborn foetus 2. artificial insemination 3. transfer of embryo into the uterus of the su
The heart is the muscular pump that pushes blood through the circulatory system. Each heartbeat can be felt as an arterial pulse. The heart valves when closed prevent the blood fro
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Define Treatment and Management of Adverse Food Reactions? Management of adverse food reactions involves diagnosing the problem followed by nutritional and medical care.
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