Photosynthetic cells contain chlorophyll and other light-sensitive pigments that capture solar energy. In the presence of carbon dioxide, such cells are able to convert this solar energy into energy-rich organic molecules, such as glucose.
Yes, you can add a little lemon juice or vinegar to the goat's milk to make it into a buttermilk or kefir. This will lower the pH of the milk, and allow it to release the CO2 stored in the sodium bicarbonate (baking soda), causing the bread to rise. Goat's milk generally has less fat and more vitamins.
Sour milk is made by adding vinegar and lemon juice to regular milk to make it sour. Spoiled milk is milk that has just been left out and has gone bad, like the milk in a childâs sippy cup. To make homemade buttermilk, the recipe says to add 1-2 cups of buttermilk you already have to regular milk and let it sit out.