Proteins that’s speed up the chemical reaction in a cell are called

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

b. read the phase at the intersection of any given temperature and pressure.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

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