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leonid [27]
2 years ago
5

In a case-control study, a researcher found no association between exposure to A and disease B. Later she found out that there w

as a misclassification when measuring exposure to A, in both cases and controls. What is a potential explanation for the results (no association) of this case-control study?
a. Differential misclassification
b. Confounding
c. Selection bias
d. Effect-modification
e. Nondifferential misclassification
Biology
1 answer:
pantera1 [17]2 years ago
5 0

Answer:

e

Explanation:

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Sexual reproduction is a process involving the fusion of two gametes to


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7 0
3 years ago
Based on the information provided, what do you think the most ideal parameters would be for optimal glucose production?
Marysya12 [62]

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5 0
2 years ago
In an analysis of the nucleotide composition of DNA, which of the following proportions will be found?
katrin [286]

Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

  • <em>Adenine is complemented with Thymine A=T</em>
  • <em>Guanine is complemented with Cytosine G=C</em>

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

<em>     A + C = G + T</em>

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

<em>     A + C = G + T</em>

<em>     5 + 7 = 7 + 5</em>

6 0
3 years ago
When DNA is copied sometimes a new incorrect base pairing appears within the structure of a new DNA molecule replacing original
statuscvo [17]
I believe you meant to say is this mistake called a base pair and if that is your question then no. it would be called Mutation. But you can double check that answer.
6 0
3 years ago
Mayra and Seline are discussing the adaptations of organisms living in estuaries and wetlands.
VladimirAG [237]
The correct answer is letter C
3 0
3 years ago
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