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Example sentences for: null

How can you use “null” in a sentence? Here are some example sentences to help you improve your vocabulary:

Four ears each of Brn3c null mutants (P0 and P8) and control littermates were embedded in paraffin, sectioned and probed for the presence of BDNF and NT-3 mRNA using the in situ technique previously described [ 7 ] . Sections were lightly counterstained and viewed with bright and dark field microscopy.
The same conclusion was reached by comparing the Boltzmann parameters of individual cells in Table 1. Since control cells had a more negative half inactivation potential, the higher Ca 2+conductance of γ 1 het and γ 1 null cells reported in Fig.
For respiratory symptoms, fever/flu, and diarrhea, the results for the last week of November are listed in Tables 2 and 3. For diarrhea or respiratory symptoms there were no strong signals warranting an epidemiological investigation, and all had null occurrence rates of more often than once every month.
In this context, it would be interesting to see whether the recently generated transgenic mouse in which BDNF is expressed under NT-3 promoter control [ 33 ] could actually perform an even more pronounced rescue in a Brn3c null mutant background.
Absence of alterations in the voltage dependence of charge movement in the γ 1 null cells should also be reflected in the voltage-dependence of Ca 2+transients.