This quiz works best with JavaScript enabled. Home > Biology > Molecular > Molecular Biology – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Molecular Biology Quiz 36 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A small molecule that binds to the repressor protein and makes it inactive is a/an ..... A) Corepressor. B) Inducer. C) Promoter. D) Operator. Show Answer Correct Answer: B) Inducer. 2. Which most accurately describes how plants and animals get the energy they need for growth and survival? A) Molecules are broken down during respiration to release stored energy. B) Molecules are broken down during photosynthesis to release stored energy. C) Animals produce energy through photosynthesis, while plants produce energy through respiration. D) Animals produce energy through respiration, while plants produce energy through photosynthesis. Show Answer Correct Answer: A) Molecules are broken down during respiration to release stored energy. 3. What is a similarity between DNA and RNA? A) Both are polymers of nucleotides. B) Both are composed of antiparallel strands. C) Both contain adenine, cytosine and thymine. D) Both contain ribose sugar. Show Answer Correct Answer: A) Both are polymers of nucleotides. 4. What is the name of the binding site of RNA polymerase? A) Operator. B) Operon. C) Inducer. D) Promoter. Show Answer Correct Answer: D) Promoter. 5. What are the building blocks for DNA? A) Carbohydrates. B) Nucleotides. C) Lipids. D) Proteins. Show Answer Correct Answer: B) Nucleotides. 6. Which molecule is a product of respiration? A) Carbon dioxide. B) Glucose. C) Oxygen. D) Protein. Show Answer Correct Answer: A) Carbon dioxide. 7. In analyzing the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules? A) A = G. B) A + G = C + T. C) A + T = G + G. D) A = C. Show Answer Correct Answer: B) A + G = C + T. 8. The end products of transcription are A) MRNA. B) DNA. C) Lipids. D) Amino acids. Show Answer Correct Answer: A) MRNA. 9. How does biotechnology most likely affect North Carolina's population? A) Jobs are created attracting more people to the area. B) Research advancement causes people in need of medicine to move to the area. C) People are not concerned with biotechnology and overall population is not impacted. D) The issue causes controversy and people hesitate to live in a state where a large amount of research takes place. Show Answer Correct Answer: A) Jobs are created attracting more people to the area. 10. What is the pigment in chloroplasts that performs photosynthesis? A) Chlorosynthesis. B) Chlorophyll. C) ADP. D) Electron Transport. Show Answer Correct Answer: B) Chlorophyll. 11. Identify the DELETION mutation from the following DNA sequence: ATG CCA AAT A) ATG TCA AAT. B) ATG CCT AAA T. C) ATC CA AT. D) ATG CCA AAT. Show Answer Correct Answer: C) ATC CA AT. 12. Foreign, small, circular, self-replicating DNA molecule that inhabits bacteria and can express itself through the host bacterium. F plasmid contains genes for production of a pilus; a cytoplasmic bridge connecting two cells that allows DNA to move from one cell to another. R plasmid confers resistance to an antibiotic on a host bacterium; can be transferred from one cell to another by conjugation. A) Plasmid. B) Pili. C) Exons. D) Introns. Show Answer Correct Answer: A) Plasmid. 13. What is the advantage of membrane compartments A) Increase surface area. B) Increase volume. C) Increase the surface area to volume ratio. D) Increase surface area to diffusion ratio. Show Answer Correct Answer: C) Increase the surface area to volume ratio. 14. What is the function of a cell wall? A) To protect and support the cell. B) To perform different functions in each cell. C) To prevent water from passing through it. D) To prevent oxygen from entering the cell. Show Answer Correct Answer: A) To protect and support the cell. 15. What is the correct sequence of chemicals produced in anaerobic respiration? A) Lactate $\rightarrow$ pyruvate $\rightarrow$ ethanol. B) Ethanol $\rightarrow$ pyruvate $\rightarrow$ glucose. C) Glucose $\rightarrow$ lactate $\rightarrow$ pyruvate. D) Glucose $\rightarrow$ pyruvate $\rightarrow$ lactate. Show Answer Correct Answer: D) Glucose $\rightarrow$ pyruvate $\rightarrow$ lactate. 16. Retrotransposons use ..... to make DNA copy from RNA A) Polymerase. B) Reverse transcriptase. C) Invertase. D) None of the above. Show Answer Correct Answer: B) Reverse transcriptase. 17. DNA replication results in two DNA molecules, A) Each one with two original strands. B) Each one with two new strands. C) Each one with one new strand and one original strand. D) One with two new strands and the other with two original strands. Show Answer Correct Answer: C) Each one with one new strand and one original strand. 18. What structure carries that amino acid to the ribosome? A) MRNA. B) RRNA. C) TRNA. D) DNA. Show Answer Correct Answer: C) TRNA. 19. True or False: in replication, the language of the information is changed A) True. B) False. C) It depends. D) None of above. Show Answer Correct Answer: B) False. 20. An example of a simple carbohydrate could be ..... A) Bread. B) Oatmeal. C) Cupcake. D) Pasta. Show Answer Correct Answer: C) Cupcake. ← PreviousNext →Related QuizzesBiology QuizzesMolecular Biology Quiz 1Molecular Biology Quiz 2Molecular Biology Quiz 3Molecular Biology Quiz 4Molecular Biology Quiz 5Molecular Biology Quiz 6Molecular Biology Quiz 7Molecular Biology Quiz 8Molecular Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books