* 1. An animal cell has the following except alan.
Nucleus
Lysosome
Cell Wall
Endoplasmic reticulum

lysosome

Explanation:

because it doesn't make food

As a result of long term aerobic training the body tends to depend more on __Fat__ as a substrate for metabolism.

Explanation:

Firstly, at the beginning of the training the body tends to depend on carbohydrates, because it's the easiest substrate to breakdown and give energy.Fats breakdown gives more energy but it takes more time to breakdown, it's not easy like carbohydrates In case of long term aerobic training, there will be no more carbohydrates to breakdown and the body tends to depend on fats to cover its need for energy.

Learn more about:

Metabolism :   Difference between Aerobic and Anaerobic metabolism:

       

Keywords: Metabolism \ aerobic \ fat \ carbohydrate \ energy