Ascientist is examining the function of a macromolecules in a cell. she notices that movement of large molecules into and out of the cell is disrupeted when she damages one specific type of macromolecule. which macromolecule has she most likely damaged

Proteins because the things that move stuff in and out of the cell are called transport proteins and they require ATP to function.

Proteins are macromolecules she most likely damaged.

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.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.