In a chromosome, a centromere is a constricted region with attachment sites for microtubules.
bacteria use pilli as the sites of attachment.. these are hollow,non helical tube like structures.. but are smaller than flagella.. sex pilli are sites of attachment for the process of conjugation..
endnote
Active site.
it is called an attachment
attachment
coredialysis
the answer is fimbriae -shannon
Implantation
gluteal tuberosity and the greater and lesser trochanters
The spindle is the structure that acts as a scaffolding for chromosomal attachment and movement. This occurs during later mitotic stages.
Tendons called apeneurosis.