Question 408 · LDEK · Etiology and pathogenesis of caries
Assign the proper functions to the saliva components:
1) lactoperoxidase;
2) amylase;
3) lysozyme;
4) lipase;
5) glycoproteins;
6) lactoferrin. a) lyses bacteria cells; b) hydrolyzes triglycerides to free fatty acids; c) cleaves 1-4 glucoside bonds; d) agglutinates bacteria in the oral cavity; e) inhibits growth of some iron-dependent microbes; f) oxidizes thiocyanates in the presence of hydrogen peroxide.
The correct answer is:
2) amylase;
3) lysozyme;
4) lipase;
5) glycoproteins;
6) lactoferrin. a) lyses bacteria cells; b) hydrolyzes triglycerides to free fatty acids; c) cleaves 1-4 glucoside bonds; d) agglutinates bacteria in the oral cavity; e) inhibits growth of some iron-dependent microbes; f) oxidizes thiocyanates in the presence of hydrogen peroxide.
The correct answer is:
- A. 1e, 2d, 3b, 4a, 5c, 6f.
- B. 1c, 2a, 3b, 4d, 5f, 6e.
- C. 1a, 2b, 3c, 4d, 5e, 6f.
- D. 1f, 2b, 3c, 4a, 5d, 6e.
- E. 1f, 2c, 3a, 4b, 5d, 6e.
Hint
Start with the enzymes whose names reveal their substrate (amylase, lipase, peroxidase), then place the remaining proteins.
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