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Mandarinka [93]
2 years ago
5

Which is not a characteristic of a Prokaryote?

Biology
1 answer:
s344n2d4d5 [400]2 years ago
5 0

Answer:A

Explanation:

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A students body temperature is 98.6oF. What is their temperature on the Celcius scale?
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Minus 36 and divide the rest by two

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The _________ is the site of the _________ which is the first site of hematopoiesis in the developing embryo.
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Answer: D

Explanation:

During embryogenesis, hematopoiesis begins in week 3 in the Yolk Sac, in Pander´s Island or Wolff´s Island, commonly known as the "blood islands". These blood islands develop from the umbilical vesicle, allantois, and chorion. In week 5, blood production starts on the fetal liver, and finally, at week 12 it begins in the bone marrow, spleen and, thymus.

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Which of the following statements about manual Sanger sequencing is true? View Available Hint(s) Which of the following statemen
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Answer:

One sequencing reaction is performed

Explanation:

The manual Sanger sequencing technique is based on the termination of DNA synthesis by the addition of a ddNTP, which impairs the full elongation of the molecule. Originally, you would perform four parallel reaction, one for each type of ddNTP (A, G, T, C). So in each reaction you would get sequences of different lengths, all finished with the ddNTP you added in that tube.

By running an electrophoresis for nucleotides, using a gel with enough resolution to separate the sequences by on base pair (bp). If you run each of the reaction mixture in a different rail, you should get fragments of the lengths corresponding to all the positions the nucleotide you added as a ddNTP occupy in the sequence.

Also, as the fragments are separated based on their molecular weight, so smaller ones migrate further in the gel. That means the gel should be read from bottom to top (note that the smaller fragments were terminated earlier than the larger ones).

For example, if in the rail of ddATP, you get a fragment of four bp, that means the fourth nucleotide of the sequence it's an A.

Per each reaction, only one sequence can be sequenced, otherwise it would be impossible to know which fragments correspond to the different sequences.

This method doesn't need any kind of dye to be used on the different ddNTPs as long as they are added in separate reactions.  

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What’s one of the main ways CO2 is removed from the atmosphere
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What protects your skin that is made of flattened skin cells?
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