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Anatomy week 13 small study guide
| Term | Definition |
|---|---|
| The ____ is often called the microtubule organizing center. | centrosome |
| Which of the following is not a function of the integral membrane proteins? | Acting as receptors Signal transduction Identification of “self” |
| The enzyme catalase is an important chemical in the functioning of the: | peroxisomes. |
| Lysosomes perform autophagy. This means that they: | break down proteins and cytoplasm that are not needed by “self eating.” |
| The nucleolus is composed chiefly of: | rRNA. |
| Which of the following recognize and destroy nonself cells? | Immune cells |
| The cell extension that assists epithelial cells in absorption is called: | microvilli. |
| The nucleus is the only structure in the cell that contains DNA. True or false | False |
| How do vesicles move from place to place in an organized way within the cell? | Molecular motors pull them along the microtubules and microfilaments of the cytoskeleton |
| The inner membrane of what double-membrane structure is contorted into folds called cristae? | Mitochondrion |
| The longest portion of the small intestine is the: | ileum. |
| After leaving the stomach, food enters the: | small intestine. |
| The right angle between the transverse colon and the ascending colon is the: | hepatic flexure |
| The hard palate consists of portions of: | four bones: two maxillae and two palatines. |
| Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption? | Small intestine |
| Which of the following salivary glands produces only a mucus type of saliva? | Sublinguals |
| The substance that forms the outer covering of the neck and root of a tooth is: | cementum. |
| Phagocytic cells lining liver sinusoids are called _____ cells. | Kupffer |
| The walls of the GI tract are composed of ____ layers of tissue. | four |
| The extrinsic tongue muscles differ from the intrinsic tongue muscles in that the _____ outside the tongue | extrinsic muscles insert into the tongue but have their origin |