Term
| How can you overcome activation energy? 2 ways |
|
Definition
| large amounts of heat, enzymes |
|
|
Term
| When does the enzyme become denatured? |
|
Definition
| when temperature increases |
|
|
Term
|
Definition
| enzymes exhibit a peak activity within a narrow pH range |
|
|
Term
| If salt concentration is close to zero, how does the amino acid react? |
|
Definition
| chains will attract one another: the enzyme will denature and form an inactive precipitate |
|
|
Term
| If the salt concentration is too hihg, |
|
Definition
| normal interaction of charged groups will be blocked: enzyme will denature and form an inactive precipitate |
|
|
Term
| Inorganic ions may alto interact with the active site |
|
Definition
| by disrupting the H binding and binding to the surround ionic residues |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| digestive enzymes, acid, and mucus |
|
|
Term
|
Definition
| hormones to regulate digestion |
|
|
Term
|
Definition
| transport of nutrients into blood or lymph |
|
|
Term
| Digestive tracts functions |
|
Definition
| storage and elimination, and immune barrier |
|
|
Term
|
Definition
|
|
Term
| What digests starch in the small intestine? |
|
Definition
|
|
Term
|
Definition
| secrete mucous, and protect against digestion of epithelium |
|
|
Term
|
Definition
|
|
Term
|
Definition
| an inactive form of pepsin that is activated by pepsin and HCl |
|
|
Term
|
Definition
| an inactive enzyme precursor |
|
|
Term
|
Definition
|
|
Term
| Parietal cells secrete what |
|
Definition
|
|
Term
|
Definition
|
|
Term
| what is used to absorb B12 in the small intestine? |
|
Definition
|
|
Term
| What breaks down large polypeptides? |
|
Definition
|
|
Term
| What breaks down small polypeptides and small peptides? |
|
Definition
|
|
Term
| Where is breakdown of protein |
|
Definition
|
|
Term
| What is digested in the small intestine? |
|
Definition
| large polypeptide, small polypeptides |
|
|
Term
| Where are amino acids absorbed/how |
|
Definition
| in the stomach: they are absorbed by cotransport with NA ions |
|
|
Term
| What are absorbed via cotransport with H+ and hydrolyzed to amino acids within the cells? |
|
Definition
| dipeptides and tripeptides |
|
|
Term
| How do amino acids leave the cell? |
|
Definition
| by facilitated diffusion, they then enter the capillary blood in the villi and are transported to the liver via the hepatic portal vein |
|
|
Term
| Where does lipid digestion begin? |
|
Definition
|
|
Term
| Where are lipids completely digested and how? |
|
Definition
| the small intestine and by pancreatic lipase |
|
|
Term
| Where do you find villi and microvilli? |
|
Definition
|
|
Term
| What is absorbed in the large intestine? |
|
Definition
| Water, electrolytes, vitamin K, and some B vitamins |
|
|
Term
| What are necessary for synthesis of various essential nutrients? |
|
Definition
| microflora: K, B, and Folic Acid |
|
|
Term
| Does digestion occur in the large intestine? |
|
Definition
|
|
Term
| What enzymes are in the small intestine? |
|
Definition
| trypsin, chymotrypsin, carboxypeptidase, pancreatic lipase, maltase, sucrase, lactase, aminopeptides |
|
|