Consider the enterton a cell if the sister chromatids did not line up correctly during metaphase For example, if some are lined up side by side instead of single file along
the middle How might this affect the resulting cells?

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .