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.
Is it possible that there is an ovarian tumor with teeth and hair?
State the type of circulatory system molluscs has? And compared it with the respiratory system of the annelids?
What are the major structures in the cell nucleus?
Various conclusions may be drawn from the study of different models as follows: I. As soon as the understanding of human behavior develops or social conditions change, the model is bound to change. No one model is best for all times. II. Models of organizational behavior are relat
What is cell division procedure directly associated to the embryonic growth?
How is the intensity of simple diffusion differing in relation to the concentration gradient of the moving substance?
How arthropod reproduction typified?
Describe the antagonism between the sympathetic and parasympathetic neural actions?
These are known as the sought after results of motivated behavior. That is, they are the end points of motivation behavior. Goals may be generic or specific. If you are thirsty you may opt for any liquid or you may want a specific brand of drink. Selection of goals<
How may the coacervates be made up of the phospholipids or polypeptides?
18,76,764
1939943 Asked
3,689
Active Tutors
1415311
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!