Nokea
Trypsin is an endopeptidase. What does this mean?
- A. It breaks the protein from the ends and middle forming smaller molecules
- B. It breaks the protein from the ends forming amino acids
- C. It breaks down carbohydrates forming sugars
- D. It breaks the protein in the middle of the molecule forming smaller polypeptides
Correct Answer: D
Rationale: Trypsin, an endopeptidase, cleaves peptide bonds within protein chains, producing smaller polypeptides.
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Match each term with the correct description: filtering units of kidney
- A. urethra
- B. nephrons
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: Nephrons are the filtering units within the kidneys.
The pylorus is best described as the:
- A. Area of the stomach that accepts food from the esophagus
- B. Valve between the ileum and the cecum
- C. Terminal portion of the large intestine
- D. Area of the stomach that empties into the small intestine
Correct Answer: D
Rationale: The pylorus is the lower part of the stomach that connects to the duodenum.
Match each term with the correct description: filtering units of kidney
- A. urethra
- B. nephrons
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: Nephrons are the filtering units within the kidneys.
(Gustatory) sensory cells of taste buds, all true except:
- A. They have pale cytoplasm and darkly stained oval nuclei.
- B. Their apical surfaces contain long microvilli embedded in amorphous glycosaminoglycan material secreted by supporting cells
- C. Are peripheral in position
- D. Their basal parts are connected to the afferent nerve fibers.
Correct Answer: C
Rationale: Gustatory cells are centrally located within the taste bud, surrounded by supporting cells, not peripheral.
The pylorus is best described as the:
- A. Area of the stomach that accepts food from the esophagus
- B. Valve between the ileum and the cecum
- C. Terminal portion of the large intestine
- D. Area of the stomach that empties into the small intestine
Correct Answer: D
Rationale: The pylorus is the lower part of the stomach that connects to the duodenum.