Spindle fibers are made by the centrioles
all of the choices are correct
direct chromosome movement in cell division
are composed of thin protein filaments

Select the best answer for the question, ly 12. which of the following behaviors is not an inherited behavior?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

In which state was more than 100 billion tons of coal mined in 2005?