Answer:
The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.
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Answer:
A?
I think I'm wrong! please tell me what one it is if I'm wrong.
Answer:
Between one-third and one-half of all fertilized eggs never fully implant. A pregnancy is considered to be established only after implantation is complete
Kinases. Kinases add phosphate to molecules, and the modification can serve as a "switch" to turn events in the cell on or off. CDKs or cyclin dependent kinases regulate the cell cycle.
Answer:
How have phosphate minerals most affected human activity? Using phosphate minerals in fertilizer allowed humans to grow more crops. The availability of rock and mineral resources has major effects on human activity.
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