level of significance defines whether the null hypothesis is assumed to be accepted or rejected. It is expected to identify if the result is statistically significant for the null hypothesis to be false or rejected.

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#Id: 2635

#Unit 13. Methods in Biology

Double-stranded DNAs, RNAs, and hybrids are protected from S1 nuclease degradation. 

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#Id: 1560

#Unit 4. Cell Communication and Cell Signaling

Lipid modifications of Wnt are catalyzed by the O-acetyltransferase Porcupine.

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#Id: 4598

#Unit 13. Methods in Biology

 The MTT assay can measure cell proliferation or cell death.

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#Id: 5888

#Unit 3. Fundamental Processes

Incorrect base pairing leads to dramatically lower rates of nucleotide addition as a result of a catalytically unfavorable alignment of these substrates. This is an example of kinetic proofreading, in which an enzyme favors catalysis using one of several possible substrates by dramatically increasing the rate of bond formation only when the correct substrate is present. 

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#Id: 9442

#Unit 11. Evolution and Behavior