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Jobisdone [24]
2 years ago
10

Name the nitrogen bases that make up the rungs of the DNA ladder

Biology
1 answer:
mixas84 [53]2 years ago
4 0
The rungs of the DNA ladder are made up of four nitrogen bases. There are two purines-adenine and guanine, and two pyrimidines-cytosine and thymine.
I hope I helped you!
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8) What is the manipulated variable in this experiment?
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Answer:

As the variables are not given, let us help with general explanation on manipulated variable.

Explanation:

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For example, to check the difference in photosynthesis rate by light, the amount of light will be the independent variable and the rate of photosynthesis will be the dependent variable.

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Of the following, identity the system you would find in a human, but not in a flatworm.
Norma-Jean [14]
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Margarita [4]

Answer:

The elemental is required in very small amount. (Ans. A)

Explanation:

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Absence of necessary plant trace elements required by plants in the soil causes deficiency disease, lack of animal trace elements used by animals in the soil may not harm plants, but, animals feeding on those plants develop their deficiency disease.

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ruslelena [56]

Answer:

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Explanation:

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