The structure labeled A in Figure 10–5 is called the a
sister chromatid.
b
centriole.
c
centromere.
d
spindle.

How did richelieu intend to strengthen the monarchy of france

When conducting research for forming a hypothesis, which practice should historians follow?

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.