Why is a double helix significant to our understanding of biological organisms?

A) It allows scientists to study the process of replication in cells.
B) It helps to eventually unlock the genetic code.
C) It tells scientists about the replication of DNA into RNA.
D) It allows scientists to study the two identical strands of DNA and their roles in cell division and the creation of a biological organism.
E) All of these


E

History

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To protest the murder of Jimmy Lee Jackson in February 1965, Diane and James Bevel proposed __________

A) an enormous sit-in in Montgomery, Alabama B) a protest march from Selma to Montgomery C) a voter registration campaign in Jackson’s memory D) the formation of a new political party in Alabama

History

Which of the following statements regarding the Mexican-American War is incorrect?

What will be an ideal response?

History

Examine the introduction of African slavery into the Americas. Why was it introduced into England's colonies in North America? How did slave societies evolve?

What will be an ideal response?

History

In eighteenth-century New England

A) ?population growth accompanied the expansion of trade. B) ?farmers began to produce food for large, distant markets. C) ?a large ship-building industry flourished in conjunction with overseas trade. D) ?farmers experienced increasing economic uncertainty as they grew more dependent on overseas demand. E) ?All of these are correct.

History