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Centrosome/ Centrioles

Refer to the ...

Question

Refer to the given figure and identify from the marked alphabets (a, b, c, d) which are responsible for the following functions.

(I) Protects the DNA from various chemical reactions that takes place outside the nucleus.

(II) Selective barrier, allowing certain substances in or out of the nucleus.

(III) Separates nuclear and cytoplasmic constituents.

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Solution

Ans: A

Explanation: The critical function of the nuclear membranes is to act as a barrier that separates the contents of the nucleus from the cytoplasm.

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