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irina [24]
2 years ago
7

Which of the following events occurred during the first trimester?

Biology
1 answer:
klasskru [66]2 years ago
5 0
I believe that the answer to your question would be A. Heart Begins.
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After mitosis, how many chromosomes do the new cells have compared to the original?
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Answer:

The same

Explanation:

In mitosis, genetically identical daughter cells are created. In meiosis the number of chromosomes is half as many as the original cell

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Number 3 is “dark”

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After the Industrail Revolution, there was a large growth in dark peppered moth population.

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Which molecule is a reactant in the first step and a final product in the fourth step of the Calvin-Benson cycle?
Sveta_85 [38]
CO2molecule is a reactant in the first step and a final product in the fourth step of the Calvin-benson
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3 years ago
A combination is a substance formed when two or more different elements combine.<br> True or false
Sergeeva-Olga [200]

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False

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Two or more elements combine to forma COMPOUND.

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