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Tutor profile: Marcie B.

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Marcie B.
Experienced Biology & Anatomy and Physiology Tutor
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Questions

Subject: Natural Sciences

TutorMe
Question:

A fire causes a small portion of a mouse population to be the only survivors of a much larger population. If you look back at the new mouse population in several generations after the fire, what might you expect to see in terms of the new population's genes?

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Marcie B.
Answer:

Due to the bottleneck effect, the new population will have significantly less genetic diversity from the original population.

Subject: Biology

TutorMe
Question:

Which organelles are involved in the production of proteins? How do they contribute to protein production?

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Marcie B.
Answer:

Nucleolus: Makes ribosomes Ribosomes: Produce unedited protein Rough ER: Alters proteins + Transports Golgi body: Sorts/modifies/packages proteins

Subject: Anatomy

TutorMe
Question:

How to the circulatory system and the lymphatic system work together in the body?

Inactive
Marcie B.
Answer:

Both systems work to maintain the fluid balance in the body. For example, the circulatory moves fluid (blood) throughout the whole body, and the lymphatic system helps return fluid from the interstitial spaces back into the blood stream. Both systems also contribute to immunity, and house major components of the immune system, such as WBC's in the blood and lymphocytes in lymphatic fluid.

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