Mitocondria is nicknamed the powerhouse of the cell, These structures are nicknamed the powerhouse of the cell because they work to convert energy into forms that the cell is able to use. Mitochondria are semi-autonomous cells, which means that they only rely partly on the cell for division and growth.
-www.reference.com/science/powerhouse-cell-f9bbce99417d7167
The answer for this is "All of above"
Answer: Membrane transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage. Also, these proteins transport some nutrients against the concentration gradient, which requires additional energy.
Explanation:
The point on earth's surface directly above an earthquakes focus (hypocenter) is called the epicenter.
The Atlas. This is the topmost vertebra, and with the axis, it forms a joint that connects the skull to the spine. These two parts of the body (The Atlas and The Axis) are special, and different from normal vertebra, because they are made to allow a greater range of motion and movement in the head. I hope this helps! Also, google is always a helpful tool to use as well. :)