Out of the choices given, the best way to describe the organisms of the Precambrian era are they were single-celled organisms and soft, boneless animals. One thing from that time that we still have today is the jellyfish. The correct answer is C.
Explanation:
<em>option b</em><em>)</em><em> </em><em>they can't make their own food</em>
Answer:
A phosphatase
Explanation:
A phosphatase is an enzyme that removes a phosphate group from a protein. Together, these two families of enzymes act to modulate the activities of the proteins in a cell, often in response to external stimuli.
A city hall or governing building should represent the nucleus because it is like the ''control center'' so a city hall would fit that description. Hope this helps!!
