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Genetic Code and Regulation MCQs

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Practice free Genetic Code and Regulation multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 16 questions — no login required.

Question 1easy

Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the first codon?

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Question 2easy

Bacterial protein called catabolic activator protein (CAP) is an example of

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Question 3easy

How many different codons are possible?

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Question 4easy

The genetic code is

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Question 5easy

Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes?

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Question 6easy

Crick demonstrated that the genetic code involved three bases and suggested that the code was degenerated. What experimental technique Crick conducted to suggest genetic code degeneration?

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Question 7easy

Codon that specify the amino acids often differs in the

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Question 8easy

In some organelles in eukaryotes, the genetic code for some codons

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Question 9easy

The codons which do not specify an amino acid are called

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