You cannot protect yourself from sadness without protecting yourself from happiness. Tears come from the heart and not from the brain. To have felt too much is to end in feeling nothing. People keep telling me that life goes on, but to me that's the saddest part.

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.b) most of the prophage genes are activated by the product of a particular prophage gene.c) the phage genome replicates along with the host genome.d) the phage dna is copied and exits the cell as a phage.