Which of these methods can identify bacteria in a sample without culturing the bacteria?
a. flow cytometry
b. biochemical testing
c. fluorescent in situ hybridization (FISH)
d. phage typing
e. flow cytometry and fluorescent in situ hybridization (FISH)
Ans;
a. flow cytometry
c. fluorescent in situ hybridization (FISH)
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Plant activities that follow a biological clock so that they are based on cycles of about 24 hours are ____
a. gravitropisms
b. photoperiodisms c. thigmotropisms d. circadian rhythms e. phototropisms
Systematists often use DNA sequencing in ________, the study of the order of evolutionary events within a group sharing derived characters.
Fill in the blank(s) with the appropriate word(s).
Why do the instructions for the growth of Neisseria gonorrhoeae recommend a CO2-enriched atmosphere?
A. It uses CO2 as a final electron acceptor in respiration. B. It is an obligate anaerobe. C. is a capnophile. D. It fixes CO2 through photosynthesis
Glomeromycetes can grow independently of their plant partners
A. true B. false