DNA,RNA and Protein Metabolism MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on DNA,RNA and Protein Metabolism, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our DNA,RNA and Protein Metabolism MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of DNA,RNA and Protein Metabolism mcq questions that explore various aspects of DNA,RNA and Protein Metabolism problems. Each MCQ is crafted to challenge your understanding of DNA,RNA and Protein Metabolism principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our DNA,RNA and Protein Metabolism MCQs are your pathway to success in mastering this essential Biochemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of DNA,RNA and Protein Metabolism. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your DNA,RNA and Protein Metabolism knowledge to the test? Let's get started with our carefully curated MCQs!

DNA,RNA and Protein Metabolism MCQs | Page 20 of 37

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Q191.
An alteration in a nucleotide sequence that changes a triplet coding for an amino acid into a termination codon is
Discuss
Answer: (a).Nonsense mutation
Q192.
A point mutation that replaces a purine with another purine, or a pyrimidine with another pyramidine
Discuss
Answer: (c).Transition mutation
Q193.
The enzyme of E.coli is a nuclease that initiates the repair of double stranded DNA breaks by homologous recombination
Discuss
Answer: (a).DNA glycosylase
Discuss
Answer: (c).Many thymidine dimer formation and associated large gaps in a strand
Q195.
Amino acids are joined together into a protein chain by which of the following?
Discuss
Answer: (a).Transfer RNA
Q196.
Phosphorus is taken up by the cell during the process of
Discuss
Answer: (d).ATP synthesis.
Q197.
Protein synthesis rates in prokaryotes are limited by the rate of mRNA synthesis. If RNA synthesis occurs at the rate of 50 nucleotides/sec, then rate of protein synthesis occurs at
Discuss
Answer: (b).17 amino acids/sec
Q198.
The site of protein synthesis is
Discuss
Answer: (a).Ribosome
Q199.
The structure in a bacterium that indicates an active site for protein synthesis is
Discuss
Answer: (d).a polysome.
Q200.
Degeneracy of genetic code was identified by
Discuss
Answer: (c).Lagervist