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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.
State the Goals of neuropsychological assessment The psychological domains/processes/ components are mediated by specific brain structures and connected brain structures formin
Fusion of Sperm and the Egg After the penetration of the extracellular layers by sperm there occurs the fusion of the - sperm plasma membrane with that of the egg. In mammals
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what is the tolerance range of man
Qualitative Changes The qualitative changes in the structure of proteins in response to stress can lead to the following: Resistance against denaturation of prote
1. Using specific examples describe how variations in DNA sequence between individuals can lead to risk of disease. Describe how a range of techniques have been adapted to detect s
What is the Objectives of Neuropsychological assessment? Define and describe neuropsychological assessment; Elucidate the neuropsychological methodology for assessing i
Q. What is the autophagic intracellular digestion and why is this type of intracellular digestion intensified in an organism undergoing starvation? Autophagic intracellular dig
Oligochaetes - Feeding and Digestion in Annelids In between annelids, the oligochaetes which comprise mostly earthworms, feed on dead, decomposing organic vegetation. They as
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