Which sentence lists events in the cell cycle in correct order, from earlier to later?
the chromosomes become longer and thinner; spindle fibers attach to the centromeres.
the nuclear membrane reforms; the chromosomes align in the middle of the cell.
the chromosomes replicate; the nuclear membrane dissolves.
the sister chromatids are separated; the chromosomes condense.
which term below describes a piece of dna that provides a set of instructions to a cell to make a specific protein?
gene
chromosome
trait
homologous chromosome