Which of the following microscope types would be least useful in viewing unstained living cells?
A) Phase contrast
B) Differential interference contrast
C) Bright-field
D) Dark-field
E) Fluorescence
Correct Answer:
Verified
Q12: The Gram stain and the endospore stain
Q13: Basic dyes
A) have a negative charge.
B) have
Q14: An electron microscope must use electromagnet "lenses"
Q15: The major criteria used in placing bacteria
Q16: Electron microscopes differ from light microscopes in
Q18: Specimens can be observed at the atomic
Q19: Eukaryotic cells are
A) less complex than prokaryotic
Q20: The use of oil with certain high-power
Q21: The endospore stain
A) is applicable to many
Q22: Which amino acid is found only in
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