The greatest single factor helping to spur the amazing industrialization of the post-Civil War years was
a. agriculture.
b. mining.
c. the steel industry.
d. the railroad network
e. None of these choices are correct
Question 2
All of the following are accurate descriptions of the young American nation except
a. its population was still about 90 percent rural, despite the flourishing cities.
b. the first official census of 1790 recorded almost 4 million people.
c. all but 5 percent of the people lived east of the Appalachian Mountains.
d. most of the population lived in the eastern seaboard cities.
e. foreign visitors looked down at the roughness and crudity of the pioneering life.
Single E. coli bacterium
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
Post-Soviet Challenges
Conformations of single-stranded nucleic acids
A complete kinetic scheme for a single nucleotide addition
Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ