Which characteristics best identify differences between intrusive and extrusive rocks?

Biology

2 answers:

wolverine [178]3 years ago

7 0

Extrusive come in the form of lava, intrusive comes in the form of magma.

FromTheMoon [43]3 years ago

7 0

Answer:

Intrusive rocks are derived from magma while extrusive rocks are derived from lava.

Explanation:

Intrusive rocks are formed when the magma cools down inside the Earth. Extrusive rocks are formed when lava cools down on the surface of earth. So, the characteristics best identify differences between intrusive and extrusive rocks is that intrusive rocks are derived from magma while extrusive rocks are derived from lava.

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A cell undergoing cell division identifies a chromosomal misalignment. How does this normally affect the progress of the cell cy

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When a cell undergoing cellular division identifies that a chromosome misalignment had taken place the cell cycle stops until the error it's corrected.

Option two of the question states that the cell cycle will proceed uncontrollably, this is not the case for the error at hand. Although this can be a problem for cells and leads to the appearance of cancer, it is not caused by chromosome misalignment. As is the case with options 3 and 4.

The stop or delay in the cell cycle is what normally takes place in these situations. This stoppage is done by the spindle checkpoint, which prevents duplicate chromosomes from separating.

During this time, the error it's corrected. If a cell is not able to correct the error at this time, many situations can follow. However, the most likely is that the cell will undergo a programmed cellular death.

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