Using specific examples, when is it appropriate to use CARD-FISH rather than the traditional FISH method and vice-versa?
What will be an ideal response?
Answer: CARD-FISH is especially useful when the target nucleotide sequence is at a relatively low concentration such that the fluorescent signal using traditional FISH is not strong enough to detect. While 16S rRNA-targeted probes might work in observing cells with a high copy number, other low copy number target sequences such as mRNAs (e.g., catabolic pathway transcripts) usually require CARD-FISH to detect the target sequence.
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Which of the following represents an activity
within a population?
a. a fox consuming a rabbit b. the absorption of nitrogen by bacteria and converting it to a form useful to plants c. a peacock spreading and shaking his feathers to attract a female d. moss growing on the north side of a large pine tree e. a virus causing rabies in a dog
How many levels of consumption are depicted in the
figure? a. 1 b. 2 c. 3 d. 4 e. 5
How does the location of DNA in animal cells compare to DNA's location in plant cells?
What will be an ideal response?
Which of the following supposedly speeds the removal of lactic acid from contracting muscles?
What will be an ideal response?