What is the thick , tough tissue surrounding plant cells

Complete the following statements about the functions of the digestive system. carbohydrates and fats are digested in secretes enzymes that aid in the digestion of carbohydrates, fats, and proteins. the secretes bile; bile is stored in undigested food is processed into feces in feces is then stored in until it is eliminated from the body via

What types of energy transfers and energy transportations are involved in the domino chain reaction?

What are they five steps of cloning?