Assertion:- Ribosomes are involved in protein synthesis.
Reason:- They are membrane bound cell organelles.

Options

A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.

Answer

**Step-by-Step Solution:**

1. **Understanding the Assertion:**
- The assertion states that "Ribosomes are involved in protein synthesis." This is indeed true. Ribosomes play a crucial role in translating messenger RNA (mRNA) into proteins during the process of translation.

2. **Explaining the Process of Protein Synthesis:**
- During protein synthesis, ribosomes facilitate the assembly of amino acids into proteins. This process occurs in two main stages: transcription (where mRNA is synthesized from DNA) and translation (where ribosomes read the mRNA to synthesize proteins).

3. **Role of Ribosomes in Translation:**
- Ribosomes consist of two subunits (large and small) and bind to the mRNA strand. They provide a site for transfer RNA (tRNA) to bring amino acids to the ribosome, where the ribosome reads the codons on the mRNA and matches them with the corresponding anticodons on the tRNA.

4. **Understanding the Reason:**
- The reason states that "They are membrane-bound cell organelles." This statement is false. Ribosomes are not membrane-bound; they are classified as membrane-less organelles. They can be found free-floating in the cytoplasm or attached to the endoplasmic reticulum (forming rough ER), but they do not have a surrounding membrane.

5. **Conclusion:**
- Therefore, the assertion is true, but the reason is false. The correct answer is that the assertion is true while the reason is false.

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