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marysya [2.9K]
2 years ago
11

Describing How Organisms Change

Biology
2 answers:
inn [45]2 years ago
4 0

Answer:

1 evolution 2 natural selection.

Explanation:

soldi70 [24.7K]2 years ago
3 0

Answer:

1 evolution 2 natural selection.

Explanation:

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Triss [41]

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79 years but there is no limit for a person to live

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If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end o
Ilia_Sergeevich [38]

Answer:

20 chromosomes

Explanation:

Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.

In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.

Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.

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3 years ago
Why might humans purposefully cause disturbances in an ecosystem? Explain
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Alot of humans might not now they are even harming the systems by smoking or littering.

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2 years ago
A muscle's ability to perform contractions for a length of time is muscle
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Muscle spasms is the answer i belive because you dont have the control
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una de las hebras de ADN de un cromosoma de cierto organismo tiene 5 millones de bases nitrogenadas ¿cuantos nucleótidos debe te
avanturin [10]
La hebra complementaria debe tener 5 millones de nucleótidos, porque cada nucleótido tiene una base nitrogenada, y la hebra complementaria debe tener la misma cantidad de bases nitrogenadas que la hebra original. (Recuerda que las dos hebras "encajan" una con otra).


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