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alexgriva [62]
1 year ago
9

Which of these organisms would you find DNA molecules

Biology
1 answer:
Black_prince [1.1K]1 year ago
3 0
You would most likely to find DNA molecules in humans, butterflies and trees because they are all living things.
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2. Which of the following can survive either with oxygen or without it?
facultative anaerobes 


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near the surfaces of lakes and streams


4. During what process do prokaryotes exchange genetic information?

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5. What would be a direct consequence of the disappearance of nitrogen-fixing prokaryotes? 

<span>Organisms would not be able to get nutrients they need to make proteins</span>
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2 years ago
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A BAL of .055 can reduce the field of vision by __________.
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It can reduce it by 30 percent
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In which marine environment would you find the greatest diversity of species?
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You would the find the greatest diversity of species in a temperate kelp forest.
I hope this helps.
5 0
2 years ago
If you examine a rock sample and observe fossils in it, what type of rock does the sample represent?
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<span>If you examine a rock sample and observe fossils in it, the type of rock the sample represent in C - sedimentary. Igneous rock is  a melted and cooled rock and there are no remains of any kind of fossils. Still, can be found some fossils traces in some metamorphic rocks with the lowest grade of metamorphism but those are very very rare. 
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7 0
1 year ago
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Strawberry DNA Extraction lab What was the purpose of the Sodium Chloride? Include a discussion of polarity and charged particle
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Answer:

Sodium chloride removes proteins from DNA and helps in DNA precipitation.

Explanation:

The Deoxyribonucleic acid (DNA) is negatively charged due to the highly polar phosphate groups that make up the phosphate backbone. The molecules of water are also highly polar and they have positive charge, thereby water molecules interact with the negative charges of the DNA. The sodium chloride generates temporary attraction forces between sodium (positive) ions and the DNA backbone (negative), thereby DNA can be disassociated from the aqueous layer. Moreover, sodium chloride helps to remove proteins (histones) that bound to DNA and also helps to maintain proteins in the aqueous layer.

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