The individual chromosomes become visible with a light microscope during which stage of mitosis?.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What enzyme is most important for dna replication and why?