PURPOSE OF THE STUDY The purpose of the study was to determine the effectiveness of televised instruction to aid in changing attitude toward problem solving. The study determined whether fifth and sixth grade students would demonstrate significant differences in: 1) attitude toward the nature of problem solving, 2) self-confidence in...
The Ti plasmid in Agrobacterium tumefaciens strain 15955 carries two alleles of traR that regulate conjugative transfer. The first
is a functional allele, called traR, that is transcriptionally induced by the opine octopine. The second, trlR, is a nonfunctional,
dominant-negative mutant located in an operon that is inducible by the...
Full Text:
., & Farrand, S. K. (2013).
Quorum-Dependent Mannopine-Inducible Conjugative Transfer of an
Agrobacterium
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The present study was undertaken to determine, by measurement
of nuclear DNA, the degrees and frequencies of ploidy in the
last larval instar of the moth Galleria mellonella Linnaeus. While
such data have been amassed for a wide variety of vertebrate tissues,
few studies have been concerned with invertebrates and...
A study was conducted to determine the influence of DMSO
(dimethyl sulfoxide) on suberization and wound periderm formation
in cut potato tuber tissue, and to determine the effectiveness of
DMSO as a potato seedpiece treatment for prevention of seedpiece
decay in the field. The influences of tuber storage conditions,
varieties,...