Each answer box represents a mechanism by which eukaryotes can regulate gene expression. Determine which of the five mechanisms each example represents. Not all examples will be used. Changes in chromatin structure Activity of transcription apparatus RNA processing RNA interference Initiation of translation Answer Bank

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

answer: um

explanation: find shelter