Explain embryonic sac
Explain the embryonic sac? Specify the cells which form the embryonic sac? Specify their ploidies?
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The embryonic sac refers to the female gametophyte of the angiosperms. The embryonic sac generally composed of three cells which remain next to micropyle, two lateral synergids and the central oosphere (egg); the polar nuclei, one binucleated cell, is placed within the central region; three antipodal cells remain in the opposite side to micropyle. As all these cells come through the mitosis from the functional megaspore they are haploid (n).
Into which periods is mitosis classified? Answer: Mitosis is classified into four periods: prophase, anaphase, metaphase and telophase.
Elucidate in concise about hydrophobic interactions in the antigen-antibody interaction.
Name the first human heart chamber into which the blood enters? Where does the blood go subsequent to passing that chamber? Give the name of valve which separates the compartments? Why is that valve essential?
List out the reproduction procedure in chordates?
Name the place where adrenal glands situated? State their number and what are their parts?
How the mesoderm, the third germ layer of the triploblastic animals is formed?
Farm accounting: Farm accounting such as business or financial accounting, deals solely along with record in relation to farming business. Is hence, any statement of dealings expressed in words and figures according farm book-keeper's record.
Explain the formation of yolk sac? Specify the function of yolk sac?
In ancient Greece the father of Medicine, Hypocrates, explained a way of diagnosing diabetes mellitus by examining the patient's urine. Explain that what is the physiological description for this archaic technique?
Write down the most abundant form in which nitrogen is found in nature.
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