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natali 33 [55]
3 years ago
7

The model below represents a DNA molecule. The presence of which element best provides evidence that nucleotides are the buildin

g material used to make DNA?

Biology
1 answer:
uranmaximum [27]3 years ago
7 0
DNA has 3 components; phosphate, a sugar called deoxyribose (a 5 carbon sugar as opposed to the sugar in the picture which is a 6 carbon sugar - glucose) and a nitrogenous base (adenine, thymine, guanosine or cytosine). So if you look at those 3 pictures, the only one is the nucleotide that's part of the DNA.

Re-read the question: the presence of phosphorous is the answer!!
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Explanation:

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Please help with this...?
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Answer:

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2 years ago
Which statement describes one feature of chemical changes? They never change a substance’s properties. They change a substance’s
Liono4ka [1.6K]

They change a substance’s identity.

8 0
3 years ago
Which of the following is a household water conservation technique?
Alex777 [14]
Hello,

Here is your answer:

The proper answer to this question is option A "Repairing leaky faucets". That's because a water conversation technique is how you can preserve water without wasting to much. B, C, and D your using a lot of water.

Your answer is A.

If you need anymore help feel free to ask me!

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6 0
3 years ago
Kristen cut her hand on a piece of glass. As the blood clots, how do white blood cells prevent bacteria on the glass from infect
Mama L [17]

The right option is ; They destroy pathogens that enter the wound  

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3 0
3 years ago
Read 2 more answers
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