When sucking liquid into the tip of a micropipette, why do you release the push button slowly?
What would be an ideal response?
With a rapid release, you could draw up liquid beyond the maximum volume, which could be more volume than the tip of a micropipette can fit. In that case, the liquid could reach into the pipette itself, which can end up damaging it.
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There are no discernible phenotypic effects for an individual with the genotype XYY
A. true B. false
Which phase of meiosis is illustrated in this diagram?
a. prophase
b. prometaphase
c. prophase I
d. prometaphase II
In a flowering plant, the __________ is the site of meiosis and, ultimately, the production of pollen
a. stigma b. style c. carpel d. anther e. filament
During inhalation, air flows into the lungs because
A. the surfactant in the lungs "draws" in air because of its adhesive properties. B. air pressure is greater outside the body than in the lungs and naturally flows inside once the chest has expanded. C. the strong chest muscles are sucking in air. D. air moves passively in and out of the lungs through time.