This quiz works best with JavaScript enabled. Home > Agriculture > Biology > Molecular > Molecular Biology – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Molecular Biology Quiz 36 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which carries amino acids to the site of protein synthesis? A) TRNA. B) MRNA. C) RRNA. D) NRNA. Show Answer Correct Answer: A) TRNA. 2. Protein synthesis takes place in two parts: A) Translation then transcription. B) Transcription then translation. C) Replication then translation. D) Replication then transcription. Show Answer Correct Answer: B) Transcription then translation. 3. Taq DNA polymerase could be used to A) Produce multiple copies of a segment of DNA in laboratory conditions. B) Initiate transcription in a cell. C) Identify the DNA of a person at a crime scene. D) Remove a portion of a DNA sample for testing. Show Answer Correct Answer: A) Produce multiple copies of a segment of DNA in laboratory conditions. 4. A tool bacteria use to cut invading viral DNA A) Restriction endonucleases. B) Actual scissors. C) Bacteriophages. D) None of above. Show Answer Correct Answer: A) Restriction endonucleases. 5. How much energy is stored in 1kg of body fat compared to 1kg of glycogen A) One sixty fourth as much. B) Same amount. C) Twice as much. D) One tenth as much. Show Answer Correct Answer: C) Twice as much. 6. What is the process of making an mRNA from DNA template? A) Replication. B) Transcription. C) Translation. D) None of above. Show Answer Correct Answer: B) Transcription. 7. The carrier protein that help to transport activated fatty acid to the inner mitochondria is A) Coated vesicle. B) Carnitine. C) Cadherin. D) None of above. Show Answer Correct Answer: B) Carnitine. 8. Where does transcription occur? A) In the nucleus. B) On a ribosome. C) In the cytoplasm. D) On the mitochondria. Show Answer Correct Answer: A) In the nucleus. 9. Hydrogen atoms at a double bond are on the same side A) Cis. B) Trans. C) Glycogen. D) Hydrolysis. Show Answer Correct Answer: A) Cis. 10. What is the name for when the info in a gene is turned into RNA? A) Translation. B) Transcription. C) Replication. D) Duplication. Show Answer Correct Answer: B) Transcription. 11. Which is true about plasmids? A) Plasmids can be cut at specific sequences called restriction sites. B) Plasmids contain a promoter sequence that defines where transcription begins. C) Plasmids can contain an antibiotic resistance gene. D) All of the statements are true about plasmids. Show Answer Correct Answer: D) All of the statements are true about plasmids. 12. Which biomolecule is also known as enzymes? A) Nucleic Acid. B) Lipid. C) Protein. D) Carbohydrate. Show Answer Correct Answer: C) Protein. 13. What is the definition of transcription? A) Synthesis of cDNA molecule with a base complementary to DNA. B) Synthesis of DNA molecule with a base complementary to DNA. C) Synthesis of RNA molecule with a base complementary to DNA. D) Synthesis of protein molecular with a base complementary to RNA. Show Answer Correct Answer: C) Synthesis of RNA molecule with a base complementary to DNA. 14. In which way does RNA differ from DNA? A) RNA is double stranded. B) RNA is single stranded. C) RNA is found only in the nucleus. D) RNA contains nitrogenous bases. Show Answer Correct Answer: B) RNA is single stranded. 15. The number of codons in the genetic code is A) 20. B) 64. C) 4. D) 3. Show Answer Correct Answer: B) 64. 16. The target enzyme for Gq proteins is ..... A) PI3-kinase. B) Adenylyl cyclase. C) Phospholipase C-beta. D) None of above. Show Answer Correct Answer: C) Phospholipase C-beta. 17. What is the name for this: RNA --> RNA? A) Replication. B) Transcription. C) Translation. D) None of these. Show Answer Correct Answer: D) None of these. 18. Which of the following is an example of a missense mutation? A) A nucleotide and its partner are replaced with an "incorrect" pair of nucleotides which destroys the function of the final product. B) A nucleotide pair is added into a gene destroying the reading frame of the gene. C) A frameshift mutation occurs, causing a nonfunctional protein. D) A nucleotide pair substitution occurs, which causes a codon to code for an amino acid that may not be the "correct" one, although translation continues. Show Answer Correct Answer: D) A nucleotide pair substitution occurs, which causes a codon to code for an amino acid that may not be the "correct" one, although translation continues. 19. A ..... is a small ring of DNA found in a bacterial cell. A) Plasmid. B) PCR. C) Virus. D) Gene bullet. Show Answer Correct Answer: A) Plasmid. 20. GENERAL: DNA is found in the: A) Chloroplast. B) Cell membrane. C) Nucleus. D) Vacuole. Show Answer Correct Answer: C) Nucleus. 21. What type of gene mutation has occurred here? Normal-AGA-TTC-ATA-GCG Mutant-AGA-TTC-AAT-AGC-G A) Deletion frameshift. B) Insertion frameshift. C) Substitution. D) Nonsense. Show Answer Correct Answer: B) Insertion frameshift. 22. How many codons are in this mRNA molecule?AUG UAA ACC GAG CCA UAG A) 6. B) 1. C) 5. D) 18. Show Answer Correct Answer: A) 6. 23. Which process causes the body of multi-celled organisms to grow larger? A) Growth of individual cells. B) Proper nutrients and a good nights sleep. C) Cell division by mitosis. D) Cell division by meiosis. Show Answer Correct Answer: C) Cell division by mitosis. 24. What does DNA polymerase do? A) DNA replication. B) Proofreads its product. C) Edits its mistakes. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: GTAGTCA A) UATUAGA. B) ACGACTG. C) CATCAGT. D) CAUCAGU. Show Answer Correct Answer: D) CAUCAGU. 26. DNA consists of bases, what holds the base pairs together? A) Hydrogen bonds. B) Peptide bonds. C) Covalent bonds. D) Ionic bonds. Show Answer Correct Answer: A) Hydrogen bonds. 27. Which lunch choice is best for a healthy lifestyle? A) Hamburger. B) Turkey sandwich. C) Fried fish sandwich. D) Pizza. Show Answer Correct Answer: B) Turkey sandwich. 28. ..... proved that DNA was the transforming principle. A) Hershey and Chase. B) Griffith. C) Messelson and Stahl. D) Franklin. Show Answer Correct Answer: A) Hershey and Chase. 29. Which of the following processes release the most ATP per molecule of glucose for immediate cell use? A) Fermentation. B) Anaerobic respiration. C) Aerobic respiration. D) Photosynthesis. Show Answer Correct Answer: C) Aerobic respiration. 30. Which is the calculation for BMI? A) Mass (kg)2 / height (cm). B) Mass (kg) / height (m). C) Mass (kg) / height (m)2. D) Height (cm)2 / mass (kg). Show Answer Correct Answer: C) Mass (kg) / height (m)2. ← PreviousNext →Related QuizzesBiology QuizzesAgriculture QuizzesMolecular Biology Quiz 1Molecular Biology Quiz 2Molecular Biology Quiz 3Molecular Biology Quiz 4Molecular Biology Quiz 5Molecular Biology Quiz 6Molecular Biology Quiz 7Molecular Biology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books