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Tutor profile: Tiffany T.

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Tiffany T.
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Questions

Subject: Biology

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Question:

Protein denaturation, or a disruption of protein shape, is caused by all of the following EXCEPT: A. Urea B. Extreme pH C. Broken peptide bonds D. Changes in tonicity

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Tiffany T.
Answer:

C. Broken peptide bonds do not cause denaturation of proteins. Denaturation is the disruption of a protein's structure without breaking peptide bonds. This means denaturation can be caused by disruption to the quaternary, tertiary, or secondary structure while the primary structure, composed of amino acids linked by peptide bonds, remains intact.

Subject: Statistics

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Question:

If your p-value is determined to be p=0.04, does this mean the alternative hypothesis is true and can be accepted?

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Tiffany T.
Answer:

No. While a p-value of >0.05 does suggest a statistically significant result that would be unlikely to occur under the null hypothesis, this does not mean the alternate hypothesis can be taken as true. The null hypothesis can be rejected, but the alternate hypothesis cannot be accepted based on the p-value since a statistically significant result does not prove an alternate hypothesis.

Subject: Anatomy

TutorMe
Question:

A vertical cut which splits a specimen into equal left and right halves is made in which anatomical plane?

Inactive
Tiffany T.
Answer:

Such a cut is made in the midsagittal plane. One way to remember this plane is to know that "sagittal" refers to a suture in top of the skull that runs from front to back and if you were to cut from head to toe using the suture as a guide, you would cut right down the "mid"dle of your body.

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