Ribosomal proteins L15P and L18E contain several parallel ? sheets with intervening ? helices. Hence, the SCOP database would classify these proteins as:

A. all ? helix.
B. all ? sheet.
C. ? / ?.
D. ? + ?.
E. Classification cannot be determined.


C

Biology & Microbiology

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Endochondral ossification step 5

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Biology & Microbiology