Description of embryonic sac
Give a brief description of the term embryonic sac? Which are the cells that form embryonic sac? And also write down their ploidies?
Expert
The embryonic sac is female gametophyte of the angiosperms. The embryonic sac is composed of three cells which remain next to micropyle, two lateral synergids and central oosphere (egg); one binucleated cell, polar nuclei, is placed in central region; three antipodal cells stay in opposite side to micropyle.
Because all of these cells come by the mitosis from functional megaspore they are haploid.
Explain the term dicoumarol? How does this substance perform in the clotting procedure and what are various illustrations of its toxicity?
Write down the association between sunrays and vitamin D?
Lego Toys is planning to produce new toys at its factories. The setup cost of the production facilities, production costs and profits for each toy are given below: Toy &n
Give a brief explanation of cell cycle.
Determine the relationship between estrogen level and LH level into the menstrual cycle? Also give details about the function of LH in the menstrual cycle and when does its blood concentration reach at its peak?
What do you mean by the sensory receptors?
What does the given sentence signify? T cell is stated to be class I restricted. Answer: This means that they can identify the antigen, that is, related with class I MHC molecules.
World Class Manufacturing (WCM): It is a different set of ideas, techniques, policies and principles for managing and operating a manufacturing company. This is driven with the results achieved through the Japanese manufacturing resurgence following W
Out of which structures is the nuclear membrane comprised of?
Is mammalian embryonic development indirect or direct?
18,76,764
1935148 Asked
3,689
Active Tutors
1421743
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!