2. Where is heterochromatin not commonly located? a. centromeres b. the human X chromosome c. gene-poor chromosomal regions d. chromosomal regions carrying genes that encode ribosomal proteins 23. Which of the following reagents are most likely to revitalize your reaction?
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It is often found in regions of the genome that are not actively transcribed. Show more…
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2) What region of a eukaryotic chromosome contains the highest density of genes? a. Euchromatin. b. Centromere. c. Condensed heterochromatin. d. Telomere. 3) Which type of pseudogenes is usually located adjacent to their functional genes? a. Processed pseudogenes. b. Non-processed pseudogenes. c. Mitochondrial pseudogenes. d. None of the above. 4) The proteins that bind to DNA in the nucleosome and form a core octamer are called a. Histidines. b. Histones. c. Chromatin. d. Chromatosome. 5) The dark bands produced by G-banding technique are: a. AT rich. b. GC rich. c. Constitutive heterochromatin. d. None of the above. 6) What is the centromere of a chromosome? a. It is the end of the chromosome. b. It is the uncondensed region of a chromosome that contains active genes. c. It is the constricted region of a chromosome where the two copies are held together. d. It is the condensed, transcriptionally silent regions of chromosomes.
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The regions of chromosomes that form heterochromatin a. contain highly expressed genes. b. contain few genes. c. are associated with the nuclear envelope. d. are abundant in prokaryotes.
Rabeya Z.
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