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d1i1m1o1n [39]
3 years ago
8

Question 6 of 10

Biology
1 answer:
Marizza181 [45]3 years ago
4 0
The answer should be A.
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Which of the following materials will burn the fastest in open air?
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The third one I think

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Which experimental design decision would most likely produce invalid and unreliable results?
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The independent variable determines the value that needs to be calculated or the decision that needs to be made from the observations of the experiment. Hence, experimental design decision would most likely produce invalid and unreliable results when having more than one independent variable.

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the evidence will be DNA

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You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the cells on light 14N medium for many gen
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One band of light density and one band of heavy density.

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Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).

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