Specificity of the ricin A chain-ribosome interaction was demonstrated by competition experiments using either ricin A chain or gelonin, another ribosome-inactivating protein having the identical mechanism of ribosome inactivation (26) in a broad spectrum of species including rat and rabbit (12, 26).
Report Abuse. I would say that bread stays fresh in the fridge for about a week. If you are unable to eat alot of bread at one time,then it is best to store your bread in the freezer,because the freezer keeps your bread for a longer period of time than the fridge does! ;-). Source(s): Nurse and Mother. Winnie Â· 8 years ago.
As for mayonnaise-based salads and dips (egg salad, potato salad, spinach dip), we shouldn't push them past three or four days. Bread Sliced bread (white or whole wheat) should be good for at least five to seven days, whether opened or not, as long as it's kept tightly closed in the original wrapper and stored at room temperature.