Blastopore and archenteron
Explain the blastopore and archenteron? Which is the stage of embryonic development where these structures are formed? Specify the destinations of archenteron and of blastopore?
Expert
Archenteron is defined as the tube which is formed during the gastrulation by means of invagination of the blastula wall in the blatocele. It is described as the origin of gastrointestinal tract. Blastopore refers to the opening of archenteron to exterior. The blastopore provides birth to one of extremities of digestive tube: the mouth in protostome beings, or anus in the deuterostome beings.
It is just the reverse of the downward communication. It flows upward from a subordinate to the superior through middle managerial levels along the line. Such communication is of two types: Feedback if information in which subordinates convey a message to the top executive in response to
Write down the structures which participate in human auditory sensitivity?
Explain the mechanism of the apical dominance within the plants? How can it be artificially removed?
How universality of genetic code create the recombinant DNA technology probable?
Describe what is the role of MR?
Is embryonic growth in birds direct or indirect? Answer: The embryonic growth is direct, there is no larval phase.
What do you mean by the flat bones and long bones?
Write down the uses of Stethoscope.
Write the constitution of cartilaginous matrix?
Give a brief explanation of the gross primary production of the ecosystem. How GPP relate to the photosynthesis?
18,76,764
1933147 Asked
3,689
Active Tutors
1441747
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!