In 100 g of fresh grapes made by the vine, there are 15.5 g of sugars. Describe and explain how the plant makes sugars and moves them to the fruit.
State the meaning of the term mutation.
All the sultana grape plants in the farmer’s fields are genetically identical. Explain why they are all genetically identical.
The farmer sprays insecticide on the grape vines to improve his crop of grapes. Explain how this affects the biodiversity in his fields.
Give two structural similarities between grape cells and yeast cells.
Suggest how the yeast can grow on the skins of the grapes.
State two human uses of yeast.