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Tutor profile: Alivia F.

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Alivia F.
3rd Year Dental Student that has previously tutored in Anatomy & Physiology and Chemistry
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Questions

Subject: Chemistry

TutorMe
Question:

What reaction produces heat? a. endothermic b. exothermic c. hydrogen d buffered

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Alivia F.
Answer:

The correct answer is b. An exothermic reaction releases energy in the form of either heat or light. An example of this would be the burning of fuels, such as wood. An endothermic reaction absorbs energy from heat or light. An example of this would be ice cubes melting when set out in a warmer environment. Hydrogen and buffered are not types of reactions.

Subject: DAT

TutorMe
Question:

The cell membrane is comprised of which of the following molecules? a. phospholipids b. carbohydrates c. proteins d. nucleic acids

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Alivia F.
Answer:

The answer is a. Phospholipids are comprised of a hydrophilic (water loving) head and a hydrophobic (water hating) tail. These molecules arrange into 2 layers when forming a cell membrane, so the heads are facing outwards towards the extracellular and intracellular fluid, while the tail's make up the inner portion and are away from the water.

Subject: Anatomy

TutorMe
Question:

Which nerve of the head allows you to make facial expressions, such as smiling or frowning?

Inactive
Alivia F.
Answer:

The correct answer is the facial nerve, which branches off of the Trigeminal Nerve, or Cranial Nerve V.

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