For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. The researchers will be looking for _____
A) a particular gene that is amplified in all or most of the patient samples
B) a pattern of fluorescence that indicates which cells are over proliferating
C) a pattern shared among some or all of the samples that indicates gene expression differing from control samples
D) a group of cDNAs that match those in non-breast cancer control samples from the same population
C
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What are the three animal phyla that dominate animal life on land?
A. Cnidaria, Mollusca, Platyhelminthes B. Porifera, Arthropoda, Nematoda C. Nematoda, Chordata, Cnidaria D. Mollusca, Arthropoda, Chordata E. Platyhelminthes, Nematoda, Arthropoda
In Hershey and Chase’s experiment, why would it not have been suitable to use radioactive nitrogen to label DNA?
What will be an ideal response?
Deforestation _____ the amount of minerals that run off from soil
a. increases b. decreases c. has no effect on
The normal habitat for Vibrio cholerae is (humans/animals/water).
Fill in the blank(s) with the appropriate word(s).