Coating a specimen with a heavy metal is a step in preparing it for (phase/fluorescent/electron) microscopy

What will be an ideal response?


electron

Biology & Microbiology

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In general, which is less harmful, a duplication or deletion? ____

Fill in the blank with the appropriate word.

Biology & Microbiology

A relationship in which one species lives better in the presence of another species that is unaffected is called ____

a. commensalism b. competitive exclusion c. mutualism d. predation e. parasitism

Biology & Microbiology

Secondary succession can occur ____

a. after a fire b. on a new sand dune c. on bare rock d. immediately after the formation of an artificial lake e. on a glacier

Biology & Microbiology

In some Greenland villages, nearly all recent newborns are female. Which range of PCB levels would you expect in those villages?

1.<1.0 µm/ml 2.1.0–1.9 µm/ml 3.2.0–4.0 µm/ml 4.>4.0 µm/ml

Biology & Microbiology