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:
Confidence votes 39.2K. According to the United States Department of Agriculture, the refrigerator will keep food cold for about 4 hours if it is unopened. A full freezer will hold the temperature for approximately 48 hours (24 hours if it is half full) if the door remains closed.Obtain dry or block ice to keep your refrigerator as cold as possible if the power is going to be out for a prolonged period of time.onfidence votes 39.2K. According to the United States Department of Agriculture, the refrigerator will keep food cold for about 4 hours if it is unopened. A full freezer will hold the temperature for approximately 48 hours (24 hours if it is half full) if the door remains closed.