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Annette [7]
3 years ago
10

Item 4

Biology
1 answer:
vovangra [49]3 years ago
4 0

Answer:

The answer is C It will not go in water when scared

Explanation:

It makes sense and I also took the quiz :)

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If a researcher has a DNA sample with a concentration of 0.6 micrograms per microliter, how many microliters of DNA must be tran
Art [367]

Answer:

0.325 microliters

Explanation:

1 microgram = 1000 nanograms

DNA sample concentration= 1000 X 0.6 = 600 nanograms / microliters

We need a total of 50 microliter reactions, and the concentration should be 3.9 nanograms per microliter.

So, we need total 50 X 3.9 = 195 nanograms in 50 microliters.

Therefore, it required 195 / 600 = 0.325 microliters of DNA sample to be transferred.

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What process causes behavior patterns to change over generations as a result of reproductive success?
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Answer:

change through natural selection

Explanation:

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Which of the following is an example of an observation?
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Answer:

Plant Growth increases in the spring

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B). - ¿cuáles son las preocupaciones del funcionamiento de las centrales nucleoeléctricas?
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Explanation:

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Which process could occur in maple trees to decrease the chromosome number in pollen cells from 52 down to 26?
andrew11 [14]

Answer:

Meiosis

Explanation:

In a process of meiosis a sing cell divides twice to produce four daughter cells which contains half the amount of. genetic information These cells are sex cells. These four daughter cells consists of half the number of chromosomes of the parent so they are haploid. This is the reason in maple tree the chromosome decreased from 52 to 26.

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