The
Thymocyte progenitors enter the subcapsular region of the thymus as
double-negative cd3- t cells where the double negative refers to lack of
cluster determinants CD4 and CD8. Double-negative cd3- t cells exist as small population
that is 1%-5% of lymphocytes in the lymphoid organs and peripheral blood of
humans and normal rodents.
TRUE :) I hope this is helpful!
A feather floating through the air has more kinetic energy because the rock is not in motion its on the ground the feather is moving in the air at a pretty fast rate of speed.
Nucleic acid<span> typically contain phosphorous, and nitrogen plays an important structural role in nucleic acids and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.</span>
To answer your question, the major reservoir for
ammonia is soil. <span>I am hoping that this answer has satisfied your query and it
will be able to help you, and if you would like, feel free to ask another
question.</span>
