Answer:
which one is it 9 42 or 12?
Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur because DNA contains phosphorus and no sulfur.
Answer:
So the egg definitely came first.
Explanation:
Dinosaurs laid eggs, the fish that first crawled out of the sea laid eggs, and the weird articulated monsters that swam in the warm shallow seas of the Cambrian Period 500 million years ago also laid eggs. They weren't chicken's eggs, but they were still eggs.
Answer:
D) can be broken down into its basic substances through physical means