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Question

Why does the Rough Endoplasmic Reticulum look "rough" under a microscope?

The correct answer is

Due to the presence of ribosomes on its surface

Explanation: The **rough appearance** of the Endoplasmic Reticulum (ER) is due to the presence of **ribosomes** on its surface, which are involved in protein synthesis. ---

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Important Questions from Cells

  1. Select the most appropriate synonym of the underlined word.

    The removal of ‘petty’ restrictions has made life easier.

  2. Select the most appropriate option that can substitute the underlined word in the given sentence.
    The experienced surgeon handled the delicate procedure with care and precision.

  3. Select the most appropriate ANTONYM of the underlined word in the following sentence.
    I have left it to his discretion to accept or decline my offer.

  4. DNA polymerase catalyses the addition of nucleotides during DNA replication. Its main role is to:
  5. Cardiomyocytes rely heavily on which mechanism to maintain their membrane potential and ensure proper contraction?
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