3.2 food Flashcards
what is the function of coenzymes
organic molecules needed by certain enzymes to carry out reactions. vitamin B
what enzyme is released by the salivary gland? What does it do?
amalyse- breaks down carbohydrates
what is the pathway of food through the digestive system
mouth-pharynx-esophagus- stomach-small intestine-large intestine- rectum- anus
what organ makes bile
liver
what organ stores bile
gallbladder
where does the absorption of nutrients occur in the digestive system
small intestine
what is the difference between bolus and chyme
bolus is food mixed with saliva and chyme is food mixed with gastric juices
where do mechanical and chemical digestion occur
the stomach, mouth, and small intestine
define peristalsis
the relation and contraction of muscles in the intestines
what does hydrogen peroxide break into
hydrogen and oxygen
what effect does temperature have on an enzymes
the heat speeds up activity
what effect does pH have on enzymes?
the closer it is to 8 the faster it gets, the farther away it is the slower it is
define anabolism?
converting smaller molecules to larger/ complex molecules. requires energy
define catabolism?
breaking down complex molecules to simple with the release of energy
what does BMR measure
the number of calories that your body burns just to complete functions to keep you alive
