Paraffin section is the most widely used method in the routine histology technique. Paraffin section is not only used to observe the morphology and structure of
The role of fixation, from the histological point of view its simple definition is to maintain the intrinsic morphology and structure of cells and tissues, so t
The nucleus (nucleus) is the largest and most important organelle in the cell (the old junior high school textbooks believe that the nucleus is not an organelle
Under non-selective growth conditions, most E. coli/yeast shuttle vectors are lost at a frequency of about 1%, and one plasmid that is not easily isolated and r
Protoplasts are formed by the differentiation of protoplasm, specifically the cell membrane and intramembranous cytoplasm and other life-active organelles. In p
Bacterial antacid staining can be applied to (1) staining bacteria that are not susceptible to other staining materials (2) morphological analysis of bacteria.
Diploid yeast cells induce meiosis and spore formation when they are starved of both nitrogen and carbon sources. At this point, their chromosomes replicate and
A standard light microscope is required for yeast tetrad analysis, and the microscope stage should be able to be moved along the x and y axes and the distance t
The meiotic products are released from the ascospores, ruptured by sonication, and spread directly on agar plates, and the spore colonies can be screened for th
Making anatomical needles requires patience and practical experience. The common practice is to make a long, thin glass filament, cut it into small segments, an
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