Examlex
In the spinal cord, the gray matter contains the _______, and the white matter contains the _______.
Fimbriae
Hairlike structures that project from the cell surface of some prokaryotes; help bacteria to adhere to one another and to attach to the surfaces of cells they infect.
Capsids
Protein shells that encase the genetic material of a virus, protecting it and aiding in its transmission.
Chromatids
Each of the two thread-like strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
Rotating Flagella
Hair-like structures that protrude from the cell body of certain bacterial cells, rotating like propellers to enable movement.
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