Juvenile fall chinook salmon were acclimated to full strength sea water at 66, 73, and 80 days after hatching. Survival in sea water for 14 days was used as the criterion for successful acclimation. The growth of salmon acclimated to sea water was slower over the period of observation (134...
Although the Escherichia coli host has almost all of the enzymes necessary to
synthesize nucleotides needed for bacteriophage T4 DNA replication, phage genes
expressed early in infection encode enzymes for de novo DNA precursor biosynthesis
and salvage from degraded host DNA. Eight early enzymes and two host enzymes
comprise the...
This investigation was designed to determine the extent to which
students who are completing planned curricula in mathematics education
are proficient in spatial visualization abilities and possess mathematical
understandings. The effects of mathematics curricula upon
the development of these abilities and understandings and the relationships
between these abilities and understandings...
The narrator of Fortunate Son is Jake, a 21 year-old who has recently arrived in Tucson, Arizona, after the death of his mother. He's spent his entire life on the road with his mother, possibly followed and antagonized by his father, whom Jake has never seen. He has come to...
Urban sprawl and the establishment of greenbelts to separate growing cities and towns has become a popular topic of conversation among land use professionals. Economists focus on urban growth in terms of land rents and have sought market solutions such as transfers and purchases of development rights to slow this...