Where do scientists obtain primers to be used in pcr and in this technique answer?

1 answer:

6 0

<span>In order to happen DNA synthesis of a wanted portion of DNA in laboratory, the DNA polymerases that preform that synthesis need to have a an existing strand of nucleotides already in order to attach new DNA nucleotides. To that existing strand of nucleotides we call primer. In a lab, scientists synthesize DNA primers through specific sequences that bind to other sequences of a single-thread DNA molecule and these are the primers commonly used to perform PCR.</span>

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What does paleontology, biogeography, embryology, and anatomy reveal bout evolution

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Paleontology deals with fossils and helps in learning the changes of living organisms in sequence.

Biogeography deals with the distribution of species across the mother earth.

Embryology deals with the study of the similarities and difference that exists in the embryos of different species or organisms.

Anatomy deals with the study of the similarities and difference that exists among different species or organisms.

<u>Explanation: </u>

As an organism dies, the remaining of these organisms will be buried in soil. These are fossils. Paleontology supports evolution with the information that are related to the fossils, footprints etc. With these we can study the evolution of organisms and also the changes they undergo. There are some technologies like radiometric dating that can be used for the determination of these rocks and fossils ages.

Charles Darwin suggested that the evolution of species were form their ancestor. Biogeography supports evolution by explaining about the distribution of different species over the earth. Embryology and Anatomy supports evolution by describing about the similarity and difference in the species of living organisms. Embryology deals with the embryos and anatomy deals with the structure.

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The correct answer is answer choice b.

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The sweet potatoes found underground contain starch.

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Answer:

The correct answer s - by the photosynthesis process.

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In plants like potato and sweet potato or the plants that has tuber or grains, store the starch in their tuber or grains by transporting the starch to the these parts.

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I can t find out the cost, but there is your answer!

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