Centromeres are 

A. composed of microtubules.
B. two identical sides of a metaphase chromosome.
C. regions that attach chromosomes.
D. the structures that contain genetic material.


C. regions that attach chromosomes.

Biology & Microbiology

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For what does it use these two growth factors? What diseases does H. influenzae cause?

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Optimal color vision occurs in the fovea, a depression in the retina where most of the ________ are located

Fill in the blank(s) with correct word

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