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There are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets?
Compare the incomplete and complete digestive systems.
What are the functions of accessory organs in a complete
Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain.
What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanation
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- Which of the following best describe protein digestion? . Protein digestion is a hydrolytic process regulated by pH changes in the gastro-intestinal track, and hormonal and enzyme releases at various stages of digestion. .. Protein digestion occurs during the gastric phase of digestion starting in the stomach. Protein digestion cleaves peptide bonds releasing peptides, and amino acids Protein digestion is a hydrolytic process involving proteases/ proteinases Protein digestion occurs at the active site of proteases and is effected by the catalytic triads.Which of the following is true about digestion and digestive tracts? Check all that apply. Intracellular digestion is common amongst herbivores because cellulose needs to be broken down. Intracellular digestion is common amongst herbivores because cellulose needs to be broken down. Animals with an incomplete digestive tract have a body cavity with one opening.Animals with an incomplete digestive tract have a body cavity with one opening. Carnivores have more digestive organs than do herbivores due to the need to break down meat. Carnivores have more digestive organs than do herbivores due to the need to break down meat. An animal that eats more plants likely has a larger cecum than an animal that eats fewer plants.An animal that eats more plants likely has a larger cecum than an animal that eats fewer plants. Extracellular digestion occurs in cnidarians, annelids, and vertebrates.Extracellular digestion occurs in cnidarians, annelids, and vertebrates. Animals…Follow the route food takes in the human GI tract and know the organs and their key functions including key fluids that are secreted. What actually does the stomach in humans do? (it is NOT the main place of digestion). What is bile (not a digestive enzyme) and where made, where secreted? What does pancreas contribute? Where is most of the food actually broken down into smaller molecular parts = digested? What is major role of large intestine (not digestion, not most absorption of nutrients) What are the muscular contractions that move it all?
- Experiments have been done on mice where they take away nucleic acids from their diets. Their findings showed that the mice without nucleic acids in their diet grew more slowly and also has shorter villi in their small intestines. Why might it make sense that a mouse with shorter intestinal villi would have slower growth? 1-Shorter villi in the small intestine would mean a reduced ability to absorb food only. 2-Shorter villiv inthe small intestine would mean a reduced aboilty to dihgest food and a reduced ability to absorb food. 3-Shorter villi in the small intestine would mean a reduced ability to digest food only. 4-shorter villi in the small intestine would mean a reduced ability to digest food and an increased ability to absorb food.Both the esophagus and the small intestine are involved in the digestion of food. The esophagus squeezes food into the stomach by wave-like muscle contractions. Peptidase enzymes in the small intestine break food molecules into smaller molecules. Which statement best describes changes to food during digestion? O The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes. O The muscle contractions and the action of the peptidase both result only in physical changes. O The muscle contractions result in chemical changes, while the action of the peptidase results in physical changes. O The muscle contractions and the action of the peptidase both result only in chemical changes. 8. 9. 10 11 12 13 14 15 16 17 20 近Choose is constructing a diagram of the digestive tract of cattle. Her diagram includes a rumen, which is a pouch-like extension of the esophagus. Which addition to the diagram would be most useful to model the function of the rumen in food digestion?
- Based on your study of the frog and the pig, how are the digestive systems amphibians and mammals different? List any structural differences, variations in size or location of the digestive and/or accessory organs.Do you think that the digestive system of humans is similar to those of other animals? Where might you see the most prominent differences especially between humans and animals with different diets?Digestion in humans and earthworms O is similar in that in both organisms, digestion occurs in a simple tract, in which all parts of the tract are similar. O is similar in that in both organisms, digestion is an intracellular process, occurring in an incomplete digestive system. O is different in that digestion is an extracellular process in humans but an intracellular process in earthworms. O is different in that earthworms have a sac plan body plan and humans have a tube- within-a-tube body plan. O is similar in that in both organisms, digestion is an extracellular process, occurring in a complete digestive tract.
- Can you help me the name of all the number of the label digestive system model?Digestion of proteins in the acidic environment of the stomach is carried out by the enzyme pepsin. A different enzyme, called trypsin, digests proteins in the neutral environment of our small intestine. The amount of each enzyme are the same and the amount of substrate is the same between the stomach and small intestine. Explain why our bodies use two different enzymes to digest proteins in the stomach and the small intestine.The small intestine of the pig has significantly more surface area (through folds and villi) than that of the frog, and if you were to remove them, the small intestine of the pig is several times longer than that of the frog. This additional surface area maximizes nutrient absorption by the pig. Why might the pig need more energy from its food than the frog?
