Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water.. Skip to content Main Navigation Search. Dictionary Articles Tutorials Biology Forum.
Physical Development in Humans This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Homeostatic Mechanisms and Cellular Communication Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Never lay the cap down or it may become contaminated. This creates a convection current which forces air out of the tube and prevents airborne contaminants from entering the tube. Removing the inoculum from a plate culture microorganisms growing on an agar surface in a petri plate : lift the lid of the culture plate slightly and stab the loop into the agar away from any growth, to cool the loop.
Transfer the inoculum to the sterile medium. Transferring the inoculum into a broth tube: pick up the sterile broth tube and remove the cap with the little finger of your loop hand. Do not set the cap down and ensure that the open end is facing downward. Do not lay the loop down! Nichrome 5 is fast cooling and exceptionally durable, and the twisted shank does not vibrate as much as single wires. Straight wire needles are also available.
Standard brass holders are available in mm, mm, and mm sizes. Unlike loops made in the laboratory, these calibrated platinum wire inoculating loops have a true closed loop, which assists with the accuracy of sampling. Burri, P. The quantitative smear-culture: a simple means for the bacteriological examination of milk. Report of Proceedings World's Dairy Congress , p. Lancet , 2, 4. Sullivan, D. McGeachie, J. Path , 16, 6. Science Prof Online. Instructor's Corner. Cell Biology. Kid Science.
MICRO 8wk. MICRO 15wk.
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