Answer:
The new material that Neolithic people invent and use for making tools is bronze
<span>Which one of the following was the most significant source of urban population growth from 1890-1920?
Final Answer:
Immigration</span>
The answer is the third one
Answer:
These skilled mariners cruised the Caribbean, plundering Spanish ships whenever they could. ... Elizabeth did sanction an early attempt at colonization in 1584, when Sir ... The Jamestown adventurers believed they would find instant wealth in the ... islands in the Caribbean, an incursion into the Spanish American empire.
Explanation:
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.
