Fingerprint+Questions+TG

Multiple Choice 11. c 12. a 13. a 14. c 15. d

Short answer 16. Make an imaginary line from the core to the delta and count the amount of ridges within that space. 17. An impression left on any surface that consists of patterns made by the ridges on a finger. 18.They are formed at 10 weeks gestation. Fingerprints are created in the basal layer where new skin cells are produced. Basal layer grows faster than the epidermis on the outside and faster than the dermis on the inside. The layer collapses and forms your fingerprint. 19. Yes you can alter them temporarily by constantly touching rough services but eventually they will grow back. 20 a. amino acids found in sweat b. reacts with amino acids c.chloride from salt in perspiration on the print combines with silver nitrate to form silver chloride d. Iodine combines with carbohydrates in latent paint