What is an enzyme?, biology homework help

Answer these questions1. What is an enzyme?2. Does pH influence the enzyme activity? How?3. Name the enzymes(s) used to digest carbohydrates.4. Which enzyme is used to digest fats?5. For better digestion, what temperature should the food you eat have?6. What will happen to a person in whom the gallbladder does not release bile? List all possible symptoms.7. If there is damage to the epithelial lining of the jejunum, what function of the digestive system will suffer the most?8. Where are the following found? Write the letter that corresponds to its location. Options can be used more than once.Location Options______ pH=4 a. Empty stomach______ pH=2 b. Stomach with food______ Trypsin c. Liver_____ Nutrients absorbed d. Large intestine_____ Pepsin e. Gallbladder and liver_____ Amylase f. Duodenum_____ Bile g. Salivary glands and pancreas _____ Lipase h. Small intestine _____ Chyme ______ Water absorbed9. Which gas is produced by yeast during fermentation?10. What other products are produced by yeast during fermentation?