1.- CIRCULE LA LETRA DEL TEMA PRINCIPAL DE “ES UN NUEVO MUNDO DE COMPRAS”. a.- compras por teléfono.
b.- nuevas formas de comprar.
c.- Tres tipos de bolsas en supermercados.
d.- cosa nueva para comprar.

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.