Test your basic knowledge |

GRE Molecular Biology

Subjects : gre, science, biology
Instructions:
  • Answer 40 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Define Inducible enzymes






2. What is Mitochondrial (maternal) Inheritance?


3. What is the Triplet Repeat Extension? What diseases are caused by this?






4. Genomic Imprinting is also known by what other name?






5. What is a heterozygous organism?






6. Define Allele






7. What 3 ways do bacteria recombine genes and shuffle their gene pools from generation to generation in the absence of sexual reproduction?






8. What are the parts of a lac operon? What is its function?






9. What is genetic anticipation?






10. Define genotype






11. What are characteristics of autosomal recessive traits?






12. What are characteristics of autosomal dominant traits?






13. Recessive alleles when transcribed produce ___________ that cannot preform their given function






14. What is a homozygous organism?






15. Dominance has nothing to do with __________. Dominant alleles are not more common in populations than recessive alleles. Dominance is not an allele that overpowers a recessive allele.






16. Who is Thomas Hunt Morgan






17. What are characteristics of X-Linked dominant traits?


18. Dominant trait






19. What are characteristics of X-linked recessive traits?






20. What is Genomic Imprinting?






21. Describe how incomplete dominance occurs and what is it.






22. What is Conjugation?






23. What does the Law of Segregation state?






24. When does Epistasis occur?






25. Define Penetrance






26. What is a Polygene?






27. Describe the lac operon model






28. What are plasmids?






29. What is an Operon?






30. Define phenotype






31. What does it mean to be a diploid organism?






32. What is the Operon model?






33. What does the Law of Independent Assortment state?






34. Define Repressor Enzymes






35. In Bacteria - in what region of the cell is the DNA found?






36. What are R-Plasmids?






37. What is the process of Transformation?


38. Males cannot be carriers of sex linked traits






39. When does Codominance occur?






40. What is Transduction?