Answer:
Among the different disaccharides, lactose (milk sugar) is the only carbohydrate of animal origin.
Answer: A and D
Explanation: In old age, dehydration and compression of the disc between the vertebrae in the spine causes reduction in height. The loss of bone density (osteoporosis) can also make the spine to become more curved, and make the vertebrae to collapse due to thinning that is caused by overall decrease in body water. This can be the reason for the reduction in height of the patient.
Well Mitochondria are the structures within cells that produce energy. An example of mitochondria is what regulates metabolism in human cells.
Im pretty sure it can either be E or B
