Why is the nucleus considered the command center of the cell?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the