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#Shine-Dalgarno sequence

3 public questions tagged with this topic.

BOTANY

Which of the following correctly describes the Shine-Dalgarno sequence?

The **Shine-Dalgarno sequence helps in prokaryotic translation initiation** by aligning the ribosome with the start codon. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

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Acid, Base, pH

Prokaryotic mRNAs are usually

polycistronic is the scientifically accurate answer to this question. Within the study of Acid, Base, pH, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of polycistronic directly address what is being asked. Among the other options, monocistronic, non-coding, and spliced do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.

Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 2

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