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
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Inside the CNS, groups of neuronal cell bodies that are clustered together to perform basic functions are termed
A. nerve nets. B. ganglia. C. nuclei. D. spinal cords. E. soma.
Association of histone H1 with linker DNA is required to form ____
a. heterochromatin b. the 10-nm chromatin fiber c. nucleosomes d. the solenoid e. euchromatin
The fossilized remains of two different species are found and scientists are interested in determining the evolutionary relationship of the two species. Which of the following could be used to determine the relatedness?
A. vestigial structures B. biogeography C. homologous structures D. All of the choices could be examined to determine relatedness.
Endochondral ossification step 5
What will be an ideal response?