T and B cells. Lymphocytes originate from stem cells in the bone marrow; these stem cells divide continuously, releasing immature lymphocytes into the bloodstream. Some of these cells travel to the thymus, where they multiply and differentiate into T lymphocytes, or T cells.
Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air, oils, greases, bacteria and water makes it useful for food packaging. Cellophane is in many countries a registered trade mark of Innovia Films Ltd based in Wigton, Cumbria, United Kingdom.
Aliphatic compounds are typically comprised of carbon and hydrogen  atoms joined together straight chains, branched chains, or  non-aromatic rings. They can also contain oth â¦ er elements such as  oxygen, sulfur, chlorine, or nitrogen and are often flammable. Methane is the simplest aliphatic compound. hexane is a carbon chain of 6 carbon atoms. aliphatic means that there is no double or triple bonds, only single bonds between the carbon atoms. like this:   CH3-CH2- â¦ CH2-CH2-CH2-CH3. 1 person found this useful. Answered.