Answer:
Evolution.
Explanation:
It might have acquired the ability to cause disease due to evolution. Due to evolution, the harmless bacteria can turn into infectious pathogens that cause diseases. Evolution is the change in the characteristics of a species over several generations due to the process of natural selection. This evolution in the bacteria occurs due to changing of environmental conditions which changes the genetic makeup of that harmless bacteria and turn into infectious pathogen.
Answer:
<h2>
Hershey and Chase conducted a series of experiments in order to prove that DNA is the genetic material.</h2>
Explanation:
In this experiment, sulphur-35 and phosphorous-32 were used to radioactively label protein and DNA respectively. The bacteriophage (viruses that infects the bacteria) were allowed to infect the <em>E. coli </em>and it was found that bacterial pellets contains P-32 in their DNA and not S-35. This indicates suphur is not found in DNA, it is present in protein. This experiments proves that DNA is the genetic material and not protein.
So, the correct option is A.
Answer:
Egg graders determine quality based on the egg's: shell, white, yolk, and air cell. Here's how to tell a high quality egg from a low one.
Explanation:
Answer:
b
Explanation:
because something interacted with the candy bar, so thats why its half eaten (sorry i dont have good explanations-)