According to the research, the correct option is i. signal-recognition particle. Association of ribosomes with the endoplasmic reticulum requires signal recognition particle.
It is a cellular organelle formed by interconnected membranes which around its sacs that form this organelle are numerous ribosomes associated with them.
In the ribosomes attached to the endoplasmic reticulum, proteins are synthesized whose process begins with the translation of the nucleotide sequence, which will synthesize a chain called signal peptide and a signal-recognition particle is responsible for recognizing this signal peptide.
Therefore, we can conclude that according to the research, the correct option is i. signal-recognition particle. Association of ribosomes with the endoplasmic reticulum requires signal recognition particle.
Learn more about the endoplasmic reticulum here: https://brainly.com/question/4623233
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