Properly wrapped, salted butter will keep in the freezer for up to one year. After this, it may begin to lose the fresh butter flavour and pick up other odours or flavours from the freezer. Unsalted butter will keep in the freezer for up to three months. Stay Connected.
Light-independent reactions take place in plant chloroplasts. In this process sugars are made from carbon dioxide. The process, known as the Calvin cycle, uses products of the light-dependent reactions (ATP and NADPH) and various enzymes.
Also known as the Calvin Cycle. All the reactions of photosynthesis that are not directly dependent upon light are known as the dark reactions. The dark reactions occur whether there is light present or not.