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.
Write a short note on the term cancer?
Name the four groups of protozoans?
Why has so small web marketing research been conducted?
Give a brief explanation of autotrophic beings. And also give a brief explanation of heterotrophic beings?
Explain what is meant by the substrates of enzymatic reactions?
How does presence of the exoskeleton describe basic small size of the arthropods?
The bigger the size of the perceived stimulus, the higher is the probability that it is perceived. Size attracts the attention of an individual. It establishes dominance and enhances perceptual selection.
What is your core competencies are, whenever it comes to NHS Jobs?
Explain how does the embryo turn from gastrula into neurula? Also how is the neural tube formed? Mention the embryonic origin of nervous system in vertebrates?
Tactical Planning: The steps or tactics required to attain the goals stated in a strategic plan. For illustration, when a company's strategic plan is to turn into a market leader, its tactical plan may be to double the amount spent on marketing and ad
18,76,764
1956288 Asked
3,689
Active Tutors
1418871
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!