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Tutor profile: Katelin H.

Inactive
Katelin H.
Currently getting my PhD in Molecular Biology. Have taught college level science.
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Questions

Subject: Nutrition

TutorMe
Question:

What would identify a vitamin that has a higher potential to be toxic?

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Katelin H.
Answer:

The vitamin has an RDA that is close to the vitamins stated upper limit could indicate a vitamin has a higher chance of becoming toxic in excess amounts and its intake should be more tightly controlled.

Subject: Biomedical Science

TutorMe
Question:

Which vitamin is synthesized in the dermis of the skin, and what are some limitations to its production?

Inactive
Katelin H.
Answer:

Vitamin D. People with darker skin tones may have difficulty producing vitamin D as well as people living in the grey belt of the United States or individuals that work at night and sleep during daylight hours.

Subject: Biochemistry

TutorMe
Question:

Why do cancer cells typically consume more glucose?

Inactive
Katelin H.
Answer:

Because of the upregulation of non-aerobic glycolysis, cancer cells move glucose through the glycolytic pathway, making lactate and reusing NADH. This is due to relative hypoxia producing a deficiency of oxygen that is needed to run the TCA cycle. This shift from oxidative phosphorylation to glycolysis is known as the Warburg effect.

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