10. When a certain plant is without water for an extended period of time, Guard cells close openings in the leaves of the plant. This activity conserves
water and illustrates
A) maintenance of a dynamic equilibrium through detection and response to stimuli.
B) a response to one biotic factor in the environment
C) cellular communication involving the action of nerve cells and receptor sites
D) an increase in rate of growth due to a low concentration of water

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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