An alien from another planet landed on earth. He is fascinat…

An alien from another planet landed on earth. He is fascinated by cars and is determined to figure out how they work. He decides to disassemble one of them and examine each part independently. He removes one of the tires and proceeds to learn all he can about the tire. He then removes one of the headlights and proceeds to learn all he can about the headlight. What type of approach is this alien taking to learn about the car?

A cytologist is examining a tissue under an electron microsc…

A cytologist is examining a tissue under an electron microscope. He notices that the endoplasmic reticulum of each cell is extremely rough in appearance, and he knows that the rough appearance is because of the ribosomes embedded there. He asks why there are so many ribosomes. You respond, __________.