Multiple choice

The structure separating the nucleoplasm from the cytoplasm is located in:

  1. mitochondria

  2. plastids

  3. nucleus

  4. endoplasmic reticulum
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C Correct answer
Explanation

It consists of nucleoplasm surrounded by a nuclear membrane. The nuclear membrance is perforated and the pores are called nuclear pores or nucleopores. The nucleoplasm possesses chromatin reticulum and 1 or 2 darkly stained bodies called nucleoli. The nucleoplasm consists of more than 90% proteins, RNA and phospholipids. The nuclear membrance separates the nucleoplasm from the cytoplasm but at the same time it allows the exchange of necessary materials through nuclear pores.

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