Answer:
Jackie Robinson’s story is the story of struggle, motivation and courage.
Explanation:
Jackie Robinson is base ball player in the baseball team of America. He was the first African who played in the American team. At that time racial superiority at its peak due to which their teammates hurts him with words and with physical action but he did not lose his temper and focus on his game which make him a hero in his team. He was the name of struggle, motivation and courage. From his story, many people inspired and make their life better.
Prokaryotic is the answer
Answer:
B. They are both necessary for organisms to survive
Explanation:
organisms rely on both living and non-living factors to survive.
Ex: An orange tree needs worms, birds, and insects to keep it alive and to plant more trees and it needs dirt and water.
Answer:
Bacteriophage
Explanation:
Bacteriophage is nothing but a virus that harms and kills the bacteria.
The Hershey-Chase Experiments is a well known experiment done by scientist, Alfred Hershey and Martha Chase. They conducted the experiment in the year 1952.
It was an extra ordinary experiment which made the world believe that the DNA is the genetic material and not a protein. In their experiment, they tried to find out if the protein coat or the core of the DNA of the virus which enters into the infected cells would help them to understand whether the genes were made of DNA or of protein.
They used sulfur-35 and phosphorus-32 radioactive isotopes to trace the DNA and the proteins.
