D) to move molecules across the membrane against a gradient
Answer:
10kg bowling ball
Explanation:
The 10 kg bowling ball because it is 22lb
But there is no such type of bowling ball that weight's 22 lb
Yxzjxhkcugihogryxlhckhchlcgdgfjgkgidhshxjglhkehsbxjgdgjdkydkydkydktsjtsteykdkyjckgdtksylffjddkyd
Carbohydrates are made from the process of photosynthesis by green plants by use on energy from sunlight. They have various functions in the ecosystem by plants an animals. The two main function of carbohydrates are; carbohydrates as a source of energy for cellular activities. They are reserves and stored in form of starch in plants and inform of glycogen in animals. They also act as structural components in both plants and animals such as cellulose which is a components of plant cells.