During lysogeny, an inactive prophage state occurs when the viral DNA is inserted into the host ________.
A. nucleolus
B. nucleus
C. cell membrane
D. cytoplasm
E. DNA
Answer: E
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Choose the true statement about the role of polyploidization in the evolution of plant genomes.
A. Jumping of transposons is most common many generations after a polyploidization event. B. Genome downsizing following allopolyploidy usually affects the participating hybrids equally. C. Genome downsizing following allopolyploidy results mainly from duplicate gene loss. D. Crop plants rarely show evidence of polyploidization events.
The transformation of normal cells into cancerous cells is called ____
a. carcinogenesis b. cancerogenesis c. transcription d. retinoblastoma e. BRCA1 activation
A dichotomous key is used to:
a. locate an organism b. identify an organism c. divide a kingdom d. interbreed species
The earliest hominin fossils have been found in ____.
A. Africa B. Asia C. Australia D. the South Pacific E. Europe