<span> Embryonic stem cell research is kind of a dead area now since there is no way to control the differentiation. Most research is being done on adult stem cells to help map and control the differentiation process. 
 Stem-cells from aborted fetuses - The government doesn't sponsor this, if it is done it is by private companies not located in the USA. You could try researching umbilical cord stem cells to be somewhere near your topic. They come from the afterbirth of normal deliveries. 
 You could do a much easier report by covering cloning of mice through stem-cell technology. It is happening and helping scientists understand diseases. </span>
        
             
        
        
        
The four most abundant elements needed by the human body are carbon, hydrogen, oxygen, and nitrogen because these are needed in large amounts to support our cells, these are referred to as bulk elements. 
Oxygen is the most essential element required by our body. The body requires oxygen in the form of gas which is inhaled by the air around us. All the cells in a human body require oxygen which is transported by the blood inside. 
Cell is the most basic and fundamental unit of life. It can be of two types: prokaryotic and eukaryotic. Prokaryotic cell is the primitive one with no true nucleus and eukaryotic cell has a true nucleus and all the cell organelles. Generally eukaryotic cells require abundant amount of oxygen.
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Answer:
The most inclusive level of organization is called the Biosphere.
Explanation:
The biological level of organization is organized from the simplest(least inclusive) to the most complex(most inclusive)
The Atom is the simplest unit. Two or more atoms will form a molecule.
The molecules come together to form a cell which is the basic functional unit of life. Cells come together to form tissues then organs and the organ system. Together they make an organism 
Populations is formed by a group of the same organisms living in the same area.
Different populations will form a community. The communities together with the environment they live in form an Ecosystem. 
Lastly, The Biosphere is the most inclusive and encompasses all ecosystems on Earth
 
        
             
        
        
        
Answer:
Resting potential
Explanation:
This is because , the resting potential is negative in side of the cell because it has more negative charge inside than outside due to accumulation of alot of sodium and potassium ions. when an axon is at rest in the cell, the anions produce negative charge, the sodium pumps eject sodium out of the cell and potassium is injected in, and the sodium gates and potassium gates are all closed.
 
        
             
        
        
        
Answer:
Prokaryotes.
Explanation:
Most of the Eukaryotes most likely to evolve from the Prokaryotes.  Prokaryotes are basically unicellular organisms that lack internal membrane-bound structures. So, they do not carry nucleus and generally have a single chromosome. Most of them have a cell wall outside  the plasma membrane, which is a thin layer of lipid that completely surrounds the cell.  Prokaryotes reproduce by binary fission method.