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:
To help keep your refrigerator at the ideal temperature for the longest period of time during a power outage, keep the doors closed. If left unopened, the refrigerator can hold its temperature for up to four hours and the freezer for up to 48 hours. Tips. Invest in a refrigerator thermometer to help you monitor temperature during an outage. If youâve lost power for less than four hours and havenât opened the refrigerator doors during that time, your food should be safe to eat if the temperature remained within the recommended range.