Answer:
The answer is B
Explanation:
The earth rotates 360 degrees on its axis every 24 hours which is why we have day and night.
That's because muscle cells require a lot of energy, more so than other parts of the body. They need more mitochondria because a mitochondria is the powerhouse of the cell.
Answer:
A
Explanation:
a straight line between the americas and europe/africa
Answer:
it has dna that is not contained within a nucleus
Explanation:
The word prokaryote is of Greek origin and means “anterior nucleus” or “before having nucleus”. This meaning gives the impression that it is a primitive structure, and that is exactly what these organisms are about. When compared to eukaryotes, prokaryotic cells are simpler, which leads to the belief that they are more primitive elements in evolutionary history. Thus, it is believed that the first cell was that of a prokaryote being.
The composition of this cell group has few membranes, in general, the only one present is the one that delimits the cell. The prokaryotic cell is characterized by the absence of very well-known and common membranous organelles, such as mitochondria, chloroplast, Golgi complex and nucleus. Regarding the absence of a nucleus, the DNA of this cell is not separated from the cytoplasm by a nucleus.
The prokaryotic cell has a plasma membrane, cytoplasm, free and non-compartmented genetic material (DNA) and ribosomes.
One of the roles of the plasma membrane protein is to FACILITATE THE PASSAGE OF SOME SELECTED MOLECULES WHICH COULD NOT OTHERWISE CROSS THE LIPID BILAYERS.
One of the function of the proteins that are embedded within the phospholipid bilayers of the cell membrane is to act as carriers to some substances which have to enter the cells but which can not enter the cells on their own.
