Which of the following is a factor in the increase of single parent families in North America? O An increasing divorce-rate.
O A decrease in the number of individuals who never marry
O An increase in polygamy
O A decrease in the number of individuals who remain childless

Explain the sliding filament method

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.

Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna