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# Tutor profile: Janie D.

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Janie D.
Academic Tutor at the University of Utah
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## Questions

### Subject:Biology

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Question:

If a molecule X is being moved outside the cell using ATP, is the concentration of molecule X higher on the inside or outside of the cell?

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Janie D.

Because active transport (the usage of ATP) must be used to move the molecule outside of the cell, it is likely that this action goes against the concentration gradient. The concentration gradient usually has molecules go from higher concentration to lower concentration, so if it must use energy to push molecule X out of the cell, it is likely moving molecule X from a low concentration to a high concentration (going against the concentration gradient). Thus, the concentration of molecule X is higher on the outside of the cell.

### Subject:Calculus

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Question:

Consider this. Say that you are traveling with a velocity V(t)= t mph. You know that your position at time 0 was 5 miles from your house. How far were you from your house at time 2?

Inactive
Janie D.

Position= S(t). This is an antiderivative of V(t). So, if we find the antiderivative of V(t)= t, we should get (t^2/2) + C, using the Power Rule for antiderivatives. (k/r+1 * x^r+1). We know that at time 0, our position is 5. Thus, S(0)= 5. So by plugging in these numbers to the antiderivative we found and solving for C, ((0^2/2)+C=5), we get C=5. To know the position at time 2, we would use the equation (t^2/2) + 5 with t=2, to find (2^2/2)+5= 7 Miles from home.

### Subject:English

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Question:

Describe the basic structure and content of an academic essay/paper.

Inactive
Janie D.

An academic essay/paper typically consists of three main parts: the introduction, the body, and the conclusion. The introduction is the head of your paper, and must include context and a thesis. An introduction is usually brief, and acts as a way to tell your audience what key concepts/ideas you will be addressing in your paper. Your thesis is necessary to introduce the position you will be defending. In a standard academic essay, there are about three body paragraphs that discuss, analyze, and support your concepts. This is the bulk of your paper that should have strong defenses and points. This is where you will likely include academic sources. Lastly, you will include a conclusion that briefly reviews your points and restates your position.

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