T cell. see T lymphocyte. T c. receptor. antigen specific heterodimeric proteins, either Î±Î² or Î³Î´, present on the surface of T lymphocytes, the specificity of which is generated by somatic mutation and somatic recombination of a relatively small number of genes and is similar to that responsible for the generation of antibody diversity.
Download audio. WASHINGTON â Power outages that last days mean you will probably need to throw out a lot of food in your refrigerator and freezer. Foods will stay safely cold 4 to 6 hours in your refrigerator.Hereâs the rule of thumb: If the temperature reaches above 40 degrees, throw out whatâs in your refrigerator and freezer. Your freezer will stay cold for two days if itâs full and one day if itâs half full.A full freezer that is not opened should stay cold for several days. If itâs not full, you can fill it with containers of water to freeze that will fill unused space.If the food is cold or has ice crystals, you can safely refreeze some of it. Dominion Virginia Power recommends your treat thawed foods this way: full freezer that is not opened should stay cold for several days. If itâs not full, you can fill it with containers of water to freeze that will fill unused space. If the food is cold or has ice crystals, you can safely refreeze some of it. Dominion Virginia Power recommends your treat thawed foods this way:
1 If a person keeps their refrigerator doors closed during a power outage, the food can stay safe for up to four hours.  A person may choose to put bagged ice in the freezer in a prolonged power outage in order to keep its temperature down.