During which process is RNA synthesized from a DNA template?

Prepare for the HOSA Biomedical Laboratory Test. Use flashcards and multiple-choice questions with hints and explanations to ace your exam!

RNA is synthesized from a DNA template during the transcription process. In transcription, the enzyme RNA polymerase binds to a specific region of the DNA, unwinds the double helix, and synthesizes a single-stranded RNA molecule by using one strand of the DNA as a template. This RNA molecule serves as a messenger that carries genetic information from the DNA in the nucleus to the ribosomes in the cytoplasm, where it will be translated into a protein.

Transcription is a critical step in gene expression and is essential for the creation of proteins, which perform a vast array of functions within a cell. This process involves several key steps, including initiation, elongation, and termination, which together ensure that the RNA is synthesized accurately according to the sequence of nucleotides in the DNA.

The other processes listed — translation, replication, and translocation — serve different roles in cellular function. Translation is the process in which ribosomes synthesize proteins using the messenger RNA as a template. Replication refers to the process by which DNA makes a copy of itself before cell division. Translocation, in the context of molecular biology, often refers to the movement of ribosomes along the mRNA during translation or the movement of certain segments of DNA or RNA. Hence

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