Which statement accurately describes plate tectonics? Pieces of the lithosphere move quickly and constantly.
The motion of subduction drives plate movement.
When one plates slides under another, it is called a convection current.
The lithosphere is broken into sections called plates.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time

Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.