Formation of female gametophyte
Explain the formation of the female gametophyte within the angiosperms?
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Within the flower ovary there exist the megasporangia enclosed by the tegument having the small opening, the micropyle. Inside the megasporangium there exists the megasporocyte, or megaspore mother cell, which goes through the meiosis forming the four megaspores of which three restore and only one becomes functional. The functional megaspore go through the (three) mitosis producing eight cells which as a whole form the embryonic sac.
Major components of cytoskeleton: The cytoskeleton is a network of much small tubules and filaments distributed all through the cytoplasm of eukaryotic cells. This is made up of microtubules, microfilaments and intermediary filaments. Q : Define the term Efficiency Improvement Efficiency Improvement: It is the concept of measuring the output of a specific process or procedure, then modifying the procedure or process to raise the output, increase effectiveness, or raise the effectiveness of the process or procedure. The perc
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Write down the segments which form the body of tapeworm called? And also write down its function?
Justify the extraembryonic membrane whose purpose is to store nitrogen wastes of embryo? Is this function present in placental mammalian embryos also?
Why is cytoplasm of sperm cells much decreased?
Which disease is caused by the deficiency of the dietary iodine?
How does circulatory system participate in functioning of endocrine system?
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