Plants are widely cultivated to produce crops for human consumption.
Name the polysaccharide used by plants to store carbohydrate.
Name the structural polysaccharide that is the main component of plant cell walls.
A newly developed variety of crop contains high levels of dietary fibre and low levels of simple reducing sugars. Suggest the benefits of each of these features to a human diet.
Crop yield can be increased by producing genetically modified (GM) crops that are resistant to insect pests. Explain how enzymes are used in the process of genetically modifying crops.
