Bio 106 Exam 3 WSU Test Questions Hellmann/Carloye and Already Passed Answers.

Digestion is controlled by a cascade series of hormones. What hormone is release by the arrival of chyme into the small intestine? - Answer both CCK and Secretin Which phylum or phyla have a gastrovascular cavity? - Answer Cnidaria and Platyhelminthes What is the target tissue for calcitonin and how does it respond to the binding of this hormone? - Answer The bones respond by taking up calcium from the blood. You dissect an animal and it has a short intestine and a very small cecum. What else is likely to be true about it? - Answer It will have sharp canines. You dissect an animal and it has a long intestine and a large cecum. What can you conclude about its diet? - Answer It is an herbivore In lab you explored the macromolecules associated with different diets. Which macromolecules are major components of a carnivorous diet? - Answer both protein and lipids What is the mix of food and saliva called? - Answer The bolus Food is being digested by bile, lipase, trypsin and chemotrypsin. Which part of the digestive system is it in? - Answer The duodenum It has jointed legs, a cephalothorax, and eight legs (4 pairs). Name this animal: - Answer Arachnida What is the function of the villi, microvilli/ brush border? - Answer To increase the efficiency of nutrient absorption. Which of the following is true for a peptide hormone? It... - Answer has a slower response time than a steroid hormone Food enters the mouth and is chewed. What is the function of chewing? - Answer It mechanically breaks the food down increasing the surface area for digestive enzymes to chemically digest it.