Choose the best answer. A___reduces the amount of activation energy needed for the chemical reactions.

product
substygte
enzyme
active site

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.