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Tutor profile: Annika C.

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Annika C.
Experienced tutor and Master of Science student
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Questions

Subject: Chemistry

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Question:

Why does ice float on liquid water?

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Annika C.
Answer:

Ice floats in water because as a solid, the H2O molecules are held further apart from each other, in a lattice-like structure, by strong hydrogen bonds. This makes the ice less dense than water, causing it to float.

Subject: Biochemistry

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Question:

What is an example of a 5-carbon sugar?

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Annika C.
Answer:

Pentose! It is a sugar with 5 carbon atoms in each molecule. You can think of the prefix pent- because it means 5.

Subject: Biology

TutorMe
Question:

What is the main goal of cellular respiration and why is it important?

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Annika C.
Answer:

Cellular respiration uses O2 to break down sugars to produce energy, in the form of ATP, and some waste products like H2O and CO2. It's so important because the ATP made is needed for all kinds of cellular processes in the cell.

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