A non-substrate molecule binds to an enzyme but does not bind at the active site. The enzyme is now unable to bind its substrate. What has likely occurred?
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An activator is bound to the substrate.
The active site has changed shape.
The reaction has been catalyzed.
A competitive inhibitor is bound to the enzyme.

preservation because he preserves part of the land and preserves means save

explanation:

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

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