Addiction is associated with a deficit in which function of the brain?

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

Answer these and you will be marked this is for 20 points

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.