Which type of organism would a microbiologist grow on defined media?
A) organisms with complex growth requirements
B) certain autotrophs
C) fastidious organisms
D) pathogens from clinical samples
E) a broad collection of heterotrophs
Answer: B
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Which experiment would best determine which genes are expressed in a Drosophila embryo?
A) analysis of a Drosophila genomic DNA library B) analysis of a cDNA library from adult male Drosophila C) analysis of a cDNA library from Drosophila embryos D) identifying all the open reading frames in the Drosophila genome E) identifying all the promoters in the Drosophila genome
The pancreas secretes bicarbonate to digest nucleic acids
1.True 2.False
The undifferentiated genitalia of an early human embryo develops into male genitalia under the
influence of A. oxytocin. B. prostaglandin and DHT. C. prolactin. D. testosterone and DHT. E. Müllerian duct inhibitors.
After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore
____________________ Indicate whether the statement is true or false.