For climate change, global warming can be a large factor
The protein would have the wrong shape.
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Here is the correct answer that would best complete the given statement above. If a post synaptic neuron is stimulated to threshold by spatial summation, this implies that t<span>he postsynaptic cell has many synapses with many presynaptic neurons. Hope this helps. </span>
In biology, the inner lining of tubular structures is called a lumen.
This can refer to numerous tubular structures in the body, such as the lumen of the veins and arteries, the lumen of the intestines or the tubes in the kidneys.
This term can also be used to describe a space defined by membranes of cell organelles such as the lumen of the mitochondria, the Golgi apparatus, and others.
