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Biochemistry Practice Test Questions: Genes and Chromosomes
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Related Test: Biochemistry Practice Test Questions: DNA-Based Information Technologies

Topics covered include: Chromosomal Elements, DNA Supercoiling, & The Structure Of Chromosomes.

Biochemistry Practice Test Questions: Genes and Chromosomes
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25 Questions

1. Which of the following are essential to the condensation of chromosomes as cells enter mitosis?
2. Which out of the following statements is true about the human genome?
3. Which of the following is false about introns?
4. Changing twist from the relaxed state requires adding energy and increases the ____________
5. The DNA threads which appear inside the nucleus at the time of cell division?
6. The phenomenon of twisting around itself by a molecule to relieve helical stress is ____________
7. Which of the two organelles contain their own DNA and ribosomes?
8. The type of topoisomerases that can introduce negative supercoils is ____________
9. The sister chromatids separate at ____________
10. The lowest level of chromosome organization is _______________
11. Over-twisting of a molecule results in ____________
12. Which of the following has beads on a string structure?
13. The type of topoisomerases which generally relaxes DNA by removing negative supercoiling?
14. Long interspersed elements are about ____________
15. About what proportion of mitochondrial proteins are encoded by nuclear DNA?
16. How many autosomes are there in humans?
17. Chromatin is composed of ____________
18. The extra chromosomal, self-replicating, double stranded, closed, circular DNA molecules are called ____________
19. Short interspersed elements are about ____________
20. What proportion of the human genome is made up of repetitive DNA sequences?
21. Which of the following plays a substantial role in linking together sister chromatids immediately after replication?
22. When there is no net bending of the DNA axis upon itself, the DNA is said to be in a ____________
23. The type I enzyme(s) is/are ____________
24. Which of the following is not a major class of chromatin proteins?
25. Which type of supercoiling takes the form of extended right-handed coils?

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