Multiple Choice
Which of the following is not true regarding translation?
5. DNA to RNA to Protein
Translation
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Only one copy of a protein can be synthesized at one time.
A
True
B
False
Verified step by step guidance1
Understand the process of protein synthesis, which involves transcription and translation. During translation, multiple ribosomes can attach to a single mRNA strand, forming a structure known as a polysome or polyribosome.
Recognize that each ribosome on the mRNA strand can simultaneously synthesize a copy of the protein. This means that multiple copies of the same protein can be synthesized at the same time from a single mRNA molecule.
Consider the efficiency of protein synthesis in cells, where the use of polysomes allows for rapid production of proteins, which is crucial for cellular functions and responses to environmental changes.
Reflect on the statement 'Only one copy of a protein can be synthesized at one time.' Given the role of polysomes, this statement is incorrect because multiple ribosomes can translate the same mRNA simultaneously, producing multiple protein copies.
Conclude that the correct answer to the statement is 'False,' as it is possible for multiple copies of a protein to be synthesized at the same time from a single mRNA strand.
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