One half of a duplicated chromosome is called: Telomere
Chromatid
Chromatin
Centromere

What element is able to combine with itself and hydrogen to form large molecules ?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real