Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Explanation:
The amino are essential to build the DNA
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<span>The pros of having this rock plug is that the plug is protective and makes it so that Vesuvius is not likely to erupt again and the magma below has cooled and is harmless. The cons are that if there is another eruption, it will be deadly and create an avalanche of gas, rocks, and hot ash.</span>
The correct answer is letter C, in most primates, the inability to move the ear has been replaced by the ability to stand upright on two legs. This is because movement was much of a need to these primates than hunting for food. They needed to be agile to locate specific places where sources of food are abundant.
A plant vacuole stores much more water than an animal’s. It is much larger.
