Answer:
Katherine Johnson
Frances “Poppy” Northcutt
Beatrice Hicks
Mary Jackson
Sarah Al-Amiri
Answer:
True
Explanation:
During the late 1950s and early 1960s, Werner Arber and several others extended the work of an earlier Nobel laureate, Salvador Luria, who observed that bacteriophages (viruses that infect bacteria) not only induce hereditary mutations in their bacterial hosts but at the same time undergo hereditary mutations themselves. Werner Arber’s research was concentrated on the action of protective enzymes present in the bacteria, which modify the DNA of the infecting virus e.g., the restriction enzyme, so-called for its ability to restrict the growth of the bacteriophage by cutting the molecule of its DNA to pieces.
Angered in criticism in the time of crisis, Adams blamed the Democratic-<span>Republican newspapers and new </span>immigrants<span>. Many of the </span>immigrants<span> were democratic-republican. To silence their critics, the</span>federalist<span> Congress passed the </span>Alien and Sedition Acts<span> in 1798. These </span>acts targeted Aliens-immigrants<span>who were not yet ...</span>
<span>The correct answer is the Homestead Act
of 1862. </span>
The Homestead Act provided free plots
of land to people that were willing to build and farm on the land. This
resulted in more than 270 million acres which comprise about 10 percent of U.S
land being given free
<span>C. Concentration camps were used for forced prison labor, while extermination camps were built to kill all prisoners.</span>
