Which of the following statements are correct about Kiel bone? 1. Xenograft 2. Allograft 3. Treated by detergent, sterilized, and freeze-dried 4. Ox or calf bone denatured with 20% H2O2, acetone, and sterilized
A2 & 4
B2 & 3
C1 & 3
D1 & 4
Which of the following statements regarding collagen synthesis is incorrect?
AHydroxylation of lysine occurs in ER
BSynthesized in ribosomes as preprocollagen
CTriple helix assembly occurs in ER
DHydroxylation of proline occurs in Golgi apparatus
Which is the first bone to start ossifying?
AFemur
BClavicle
CTibia
DMandible
+ 7 more in the PDF
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