Biology101: Digestive System Actual Exam Latest Version 71 Questions And Accurate Answers Verified 2024-2025

Page 1 of 58 BIOLOGY101: Digestive System Actual Exam latest version 71 questions and accurate answers verified 2024-2025 newest already graded A+ Q1 Define: digestion Answers: The mechanical and chemical process in which food is broken down into smaller components. 2 Q What is the difference between extracellular and intracellular digestion?Page 2 of 58 Answers: Extracellular digestion occurs outside of cells, as in the chemical digestion of food in the digestive tract. Intracellular digestion is the breakdown of molecules within the cytoplasm or lysosomes of cells. 3 Q Is the breakdown of proteins by trypsin in the small intestine an example of intracellular or extracellular digestion? Answers: The action of trypsin is an example of extracellular chemical digestion. It takes place outside the cells, in the lumen of the duodenum.Page 3 of 58 4 Q What is the difference between mechanical and chemical digestion? Answers: Mechanical digestion is the physical fragmenting of food into pieces. * Chemical digestion splits food into smaller chemical units by breaking bonds. 5 Q The churning of food in the stomach is an example of what kind of digestion? Answers:Page 4 of 58 Extracellular mechanical digestion. This activity physically mixes food but does not break