All of the following persons are directly associated with the discovery of DNA and its properties EXCEPT

A. Colin MacLeod.
B. Oswald Avery.
C. Gregor Mendel.
D. Maclyn McCarty.
E. Francis Crick.


Answer: C

History

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The "thumbs-up" sign is considered positive in the U.S. as well as in Australia and West Africa

Indicate whether the statement is true or false

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Article 14 in the Treaty of Holston (1791) called for the Cherokees to

a) begin their removal to Oklahoma. b) advance their abilities in home industry and agriculture with American help. c) continue their tribal customs and not adopt any alien practices. d) supply troops to fight in future American wars. e) not intermarry with the whites in Indian Territory.

History

Most of the destruction in San Francisco in the 1906 earthquake happened because of

a. poor building construction. b. looting and burning by angry mobs. c. fires that stared when gas leaked from broken gas lines. d. broken water mains that rendered fire hydrants useless for extinguishing the fires fed by gas leaking from broken gas lines.

History

How were women treated during the Song Dynasty?

What will be an ideal response?

History