C. Anaphase
Anaphase is the briefest stage of mitosis. The centromeres begin to separate, being pulled to the poles by the spindle fibers. As the centromeres seperate the chromatids split.
Answer:
Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate. Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction.
Explanation:
Answer:
I believe it would be these:
He can replace the 1.5-volt battery with a battery of higher voltage.
He can use a longer piece of wire that wraps more times around the bolt.
I'm not sure the others would work
The correct answers are 1, 2 and 4
It is 200 million years because it has been around for a long time.