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Tutor profile: Alexandra O.

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Alexandra O.
Biomedical Engineering Masters Student
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Questions

Subject: Health and Medicine

TutorMe
Question:

Following birth, a baby has acquired some of the mothers immune system, what are the antibodies that are responsible for this, and how are they transmitted.

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Alexandra O.
Answer:

The antibody that is responsible for this phenomena is IgG antibodies, these are transferred through the placenta starting at about six months of pregnancy.

Subject: Biochemistry

TutorMe
Question:

There are two proteins that are competing for the active site of an enzyme. Protein one has a much higher binding affinity but there is significantly less protein one than protein two, what protein would you expect to bind the enzymes active site, and why?

Inactive
Alexandra O.
Answer:

I would expect protein one to mind the enzyme because it has a higher binding affinity.

Subject: Biology

TutorMe
Question:

What is the hierarchy of stem cells within the body? Are these cells restricted to certain lineages?

Inactive
Alexandra O.
Answer:

The hierarchy is as followed: Totipotent Pluripotent Multipotent Lineage Committed The multipotent cells are normally restricted to one lineage

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