The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.

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3 years ago

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If _________ accumulates around the teeth over a period of time, periodontal disease may result.

Semmy [17]

Answer:

If <u>bacterial plague</u> (a.k.a. dental plague) accumulates around the teeth over a period of time, periodontal disease may result.

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3 years ago

Gel electrophoresis separates DNA molecules based on ___. *

Umnica [9.8K]

Answer:

Size

Explanation:

All DNA is the same charge, It is ONLY size.

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Answer this question correctly, I've been asking and an answer would be nice, within the hour.

Zanzabum

D. It is type A because A is dominant and i is recessive.

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3 years ago