In the United States, how many embryos,

created by IVF, remain frozen?



a. 10,000
b. 50,000
c. 100,000
d. 500,000
e. 1,000,000


D

Biology & Microbiology

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Disease-causing infectious agents are known as ____________________

Fill in the blank(s) with correct word

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The process in which mutations are removed and the correct bases added is called ________.

A. transduction B. transformation C. excision repair D. frameshift E. back-mutation

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Many types of cancer are known to overexpress the receptor protein tyrosine kinase. Which molecular technique can be used to reduce expression of an oncogene in vitro?

A) PCR B) DNAse sensitivity assay C) RNAi D) Southern blotting E) western blotting

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Which of the following is correct about hotspots of biodiversity?

A. Hotspots are islands recently formed by volcanic eruptions in the ocean's crust. B. Hotspots are home to many endemic species. C. Northeast Ohio is an example of a hotspot of biodiversity. D. Hotspots describe densely populated urban areas. E. All of the above are correct.

Biology & Microbiology