What is B-lymphocyte
What is B-lymphocyte?
Expert
They are derived from bone marrow stem cells. Their maturation and development occurs in bone marrow. Matured B-cells depart the bone marrow and migrate through blood stream to the secondary lymphoid organs.
Specify the elements which constitute the internal ear? State some of the functions of those structures?
How reproduction is completed in beings of class Reptilia?
Besides age composition, there are also changes occurring in gender composition. Women have been entering the workforce in record numbers over last four decades. By 1975 they accounted for approximately 40 percent of the total and at the turn of the century women make up about half the workforce.
How do I recognize that my pet has a trouble serious adequate to justify bringing him to see the doctor?
Describe the structures which form the external ear? Also state its function? Answer: The internal ear includes the pinna, or auricle and the auditory canal. Its mai
Write down the molecular composition of hemoglobin? Does the functionality of hemoglobin as a protein based on its tertiary or on its quaternary structure?
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?
What is number of germ layers which originate in the body of platyhelminthes? In relation to this characteristic how are such animals categorized?
Which extra embryonic membrane has the function to store the nitrogen wastes of embryo? Is this function present within the placental mammalian embryos?
What is the cell division through the first phase of the embryonic development called? Also explain that how is this stage characterized?
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