Which of the following is the FIRST example of virus development in the complete absence of host cell contact?

a. production of long, thin tails by the Acidianus convivator virus ATV when released from the host cell
b. replication by transposition by bacteriophage Mu
c. segmentation of the genome by influenza A virus
d. cell transformation by polyomavirus SV40


Answer: A

Biology & Microbiology

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The particular set of alleles an individual carries is called the ________

a. gene expression b. genotype c. gene locus d. phenotype

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Claviceps purpurea produces a(n) __________, which infests grain and has been important in many

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Blood tests for cancer detect the presence of ____.?

a. cancer cells
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d. tumor markers
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