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tino4ka555 [31]
3 years ago
14

The first phase of mitosis is called

Biology
2 answers:
Vikki [24]3 years ago
7 0
The first stage of mitosis is prophase.
DaniilM [7]3 years ago
5 0
The answer is a prophasr
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At some point in their life cycle, all cells have a _____, whereas not all cells have a(n) _____.
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The cell membrane is present during the whole cycle. The nuclear cell breaks and then is regenerated.<em> At some point in their life cycle, all cells have a _</em><u><em>cell membrane</em></u><em>_, whereas not all cells have a(n) _</em><u><em>nuclear cell</em></u><em>_</em><em>.</em>

<h3>What happens to the membrane during cell cycle?</h3>

The cell cycle involves two stages. First occurs the interphase, and after that cell division. During the interphase, the cell prepares for division, duplicating its size, its content, and genetic material.

During the prophase, the <u>nuclear membrane </u>breaks. Cell division occurs (either mitosis or meiosis), and at the end of the cycle, the nuclear membrane regenerates again (during the telophase).

Finally, cytokinesis occurs in which through invagination of the cell membrane, the cell divides into new cells.

The cell membrane is present during the whole cycle, protecting the cell content. The nuclear cell breaks and then is regenerated.

<em> At some point in their life cycle, all cells have a _</em><u><em>cell membrane</em></u><em>_, whereas not all cells have a(n) _</em><u><em>nuclear cell</em></u><em>_.</em>

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You can learn more about the cell cycle at

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2 years ago
The northern copperhead is Agkistrodon contortrix contortrix,the southern copperhead is Agkistrodon contortrix mokasen, and the
Savatey [412]

Therefore "the copperheads are subspecies and the cottonmouth is a separate species".

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The higher classification is "copperhead" for both the subspecies Agkistrodon contortrix contortrix and Agkistrodon contortrix mokasen. As the name itself consist species name "A. contortrix", both are belonging from "Viperidae" family, "Crotalinae" subfamily and venomous pit viper subspecies.

These are generally silent snakes as they show lazy and motionless behavior when encountered but on agitating sufficiently they become protectively aggressive and they are species of eastern North America. While Agkistrodon piscivorous are separate species with higher classification as "Cottonmouth" and name carry species name "A. piscivorus". It is indigenous to southeastern United States and belongs to same family as copperhead.

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You have learned in class that changing the pH or temperature of the environment can denature an enzyme. When an enzyme
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If the liver is placed in an acidic solution, then the reaction rate will decrease.

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