Contains the pericardial cavity and surrounds<span> the remaining thoracic organs. ...</span>Houses the spinal cord<span>, the digestive organs, which opens to the exterior at the anus.
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Answer:
The culture might not be stained properly or the culture might be too old.
Explanation:
Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.
Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.
The qualities of igneous rocks that have long made them useful for tools and building materials would be that they are hard, dense and durable. However, i<span>t depends on the potential use and the individual material. Hope this answers the question. Have a nice day.</span>
The standard operating procedure or SOP is a
written safety and health measures for hazardous tasks. It is a detailed
instructions or step-by-step directions for conducting a specific procedure especially when dealing with
chemicals that may cause injury. Moreover, because of these SOP’s accident and
untoward circumstances in the workplace can be avoided.
