Match each theory of planet formation to its best description.
core accretion
theory
gas and dust sticks to
itself and collapses
gravitational
instability theory
a core of rock and ice
attracts gases

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

fkk you n*gga

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.