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Lena [83]
3 years ago
11

Which characteristic do scientists first consider when classifying cells aseither eukaryotic or prokaryotic?o A a membrane-bound

nucleus, which is exclusive to eukaryotic cellso B. a membrane-bound nucleus, which is exclusive to prokaryotic cellso C. chloroplasts, which are exclusive to eukaryotic cellso D. chloroplasts, which are exclusive to prokaryotic cells

Biology
1 answer:
amm18123 years ago
6 0
A is the correct answer, eukaryotic cells have membrane-bound nucleus, prokaryotic cells do not. 
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Answer:

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Explanation:

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Answer:

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Explanation:

The relationship between undisturbed sedimentary rock layers and fossils is that older fossils are found in deeper layers of sedimentary rocks.

This is one of the premise of the law of superposition and principle of fossil and fauna succession.

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2 years ago
Which trait is heterozygous?<br> A- Aa<br> B- aa<br> C- AA
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Answer:

A.) Aa

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A heterozygous gene is known as having two different alleles of a particular gene or genes. The correct answer is option A because both letters are different, versus the other two options where both are capital or lowercase.

6 0
3 years ago
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