The key feature in an experiment changed from one treatment to the next is referred to as a ____

Some help with this one? Thanks.


Answer: variable

Biology & Microbiology

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Which of the following is nota mechanism for regulating gene expression after the mature RNA transcript is produced?

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About half of all Americans rely on ____ for their drinking water

a. glaciers b. sea water c. stream water d. aquifers e. lake water

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Crossing-over occurs between

a) sister chromatids of the same chromosome b) chromatids of nonhomologus chromosomes c) non sister chromatids of a homologous pair d) Both b and c are correct

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Nearly everyone appears to be infected with polyomaviruses BK and JC by the age of 15

Indicate whether the statement is true or false

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