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Anuta_ua [19.1K]
3 years ago
10

What is the texture and consistency of the dna? 2. why did we use a salt in the extraction solution? 3. is the dna soluble in th

e aqueous solution or alcohol? 4. what else might be in the ethanol/aqueous interface? how could you eliminate this? 5. which dna bases pair with each other? how many hydrogen bonds are shared by each pair?
Biology
1 answer:
lions [1.4K]3 years ago
8 0

Explanation:

These questions are related to the extraction of DNA using detergents and ethanol.

1. Consistency and texture- the extracted DNA is white, spongy and moist or slime in nature.

2. Salt is used during the extraction process as the DNA is negatively charged molecule and to neutralize the negative charge which will allow the formation of precipitate.

3. The DNA is soluble in aqueous solution as the DNA is a negatively charged molecule therefore the negative charge makes it a polar molecule and it can form the interactions in the aqueous solution.

4. RNA could be present in the aqueous solution along with the DNA as both are the nucleic acid.

5. The base-pairing rule was suggested by the Chargaff who proposed that Adenine binds thymine and guanine binds cytosine.

5. The binding of adenine to thymine involves two hydrogen bonds and between guanine to cytosine involves three hydrogen bonds.

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What must occur for protein translation to begin?
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The correct answer is D) The codon AUG must be identified.

What must occur for protein translation to begin is that the codon AUG must be identified.

The process starts when the 5AUG or start codon is identified. In the polypeptide chain, the 5AUG is the first amino acid. We are talking about Transition, the process when the genetic code in an RNA molecule has to be decoded in a polypeptide chain in order to deliver an amino acid sequence. In this complex transition system, there are important components included such as ribosomes, transfer RNA, and mRNA.

5 0
4 years ago
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Which the following statements typifies tropical rain forests? A. They are usually composed of at least ten distinct layers, or
Novosadov [1.4K]

        The right answer here is option C. They occur in areas with ancient, mineral-poor soil.

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3 years ago
If purple flowers are dominant in a plant and white flowers are recessive in that plant, then when purple-flowered plants with t
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3 years ago
Stem cell and cancer question. Please answer Asap!!
malfutka [58]

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4 0
4 years ago
PLZZZ HELP ASAP
ehidna [41]
A seems incorrect
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3 years ago
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