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.
Freezer. 2-3 months. Tips. 1  Bread may be kept at room temperature for up to two days; cover with foil or plastic wrap or place in plastic bag to prevent drying out. 2  Bread will keep for an additional week in the refrigerator, covered with foil or plastic wrap or in plastic bag.