Explain embryonic sac
Explain the embryonic sac? Specify the cells which form the embryonic sac? Specify their ploidies?
Expert
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).
Explain why carbon monoxide is toxic for humans?
Describe the process of Readying the Egg in short?
Define the term corals?
Specify the type of cell division which enables sexual reproduction? What is meant by the gametogenesis?
Explain the term binder? Answer: The binding protein (generally antibody) that binds to the ligand is termed as binder.
What do you mean by the excitation threshold of a neuron? How this threshold is related to the “all-or-nothing” rule of neural transmission?
Explain in short regarding histamine?
Elucidate in concise about hydrophobic interactions in the antigen-antibody interaction.
I. OBJECTIVES A. To make you aware that many performance appraisal decisions involve ethical issues. B. To familiarize you with some o
Where can be RNA found in cells?
18,76,764
1939504 Asked
3,689
Active Tutors
1428211
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!