Gastrointestinal System

    Gastrointestinal System
    What feature do procarboxypeptidase, pepsinogen, fibrinogen and chymotrypsinogen have in common?
    The prefix and suffix “pro- ” and “-ogen” refer to these molecules needing modification to become enzymes. In their present form, they are inactive.
    Author: rikazzz Comment
    Gastrointestinal System
    What is the name of the hormone that inhibits the stomach from secreting gastric juice?
    One of the effects of CCK is to inhibit gastric secretion.
    Author: rikazzz Comment
    Gastrointestinal System
    Fatty acids are transported around the body by the blood in structures known as:
    Chylomicrons transport fats via the lymph system to the blood. Micelles exist in the lumen of the intestine.
    Author: rikazzz Comment
    Gastrointestinal System
    The liver is able to deaminate amino acids forming ammonia in the process. What happens to the ammonia?
    Urea is the molecule and vehicle for excretion of human nitrogenous waste.
    Author: rikazzz Comment
    Gastrointestinal System
    Correctly complete the sentence: Pepsinogen is
    Pepsinogen “gen”erates pepsin in the presence of hydrochloric acid.
    Author: rikazzz Comment
    Gastrointestinal System
    Which is an enzyme secreted by the gastric glands?
    Pepsin (strictly pepsinogen) is the only enzyme on the list.
    Author: rikazzz Comment
    Gastrointestinal System
    Which digestive enzyme in pancreatic juice digests proteins?
    While pepsin also digests protein, it is produced in the stomach, not the pancreas.
    Author: rikazzz Comment
    Gastrointestinal System
    What food is digested into monoglycerols?
    Dietary lipids are triglycerols which are digested into free fatty acids and monoglycerols.
    Author: rikazzz Comment
    Gastrointestinal System
    What stomach enzyme digests protein to polypeptides?
    Pepsin is the only enzyme in the list.
    Author: rikazzz Comment
    Gastrointestinal System
    Fatty acids are absorbed from the gut into structures known as:
    Lacteals contain lymph in which digested fats are transported to rejoin the bloodstream in the vena cava via the thoracic duct.
    Author: rikazzz Comment