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• 17. Which one does not involve in splicing of introns in nuclear mRNA primary transcripts?(A) RNA he
• 18. How are most voltage-gated channels inactivated?(A) by closing degrading channel proteins(B) by
• 19. Which of the following statements regarding hotmone and cellular signal transduction is correct?
• 20. Which of the following shows the correct order of potency for stem cells?(A) Totipotent ＞ Multip
• 21. Treatment of the RNA polymerase/DNA complex with DNase in vitro is a DNA footprinting technique
• 10. Abnormal chromosomes are frequently found in malignant tumors. Errors such as translocations may
• 22. The heptapeptide repcat in the carboxy terminal domain (CTD) in the RPB1 subunit of RNA polymera
• 11.During meiosis, a defect occurs in a cell that results in the failure of spindle microtubules bin
• 12. A heat-killed, phosphorescent (light-emitting) strain of bacteria is mixed with a living, non-ph
• 13.If a cell were unable to produce histone proteins, which of the following results would be a like
• 23. Heat shock element (HSE) is a(n)__________found in the________ region of genes whose transcripti
• 14.If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-
• 24. Which of the following statenent(s) is correct regarding to the membrane transport?(1) If a tran
• 15. Which of the following statements are correct?(I)Hormones often regulate homeostasis through ant
• 25. Which of the following statement(s) is cotrect regarding to protein endocytosis or cxocytosis? (
• 16. The genetic code is essentially the same for all organisms. From this, one can logically assume
• 26. Which statement is correct?(A) RNA polymerase I transcribes mRNA.(B) RNA polymerase II transcrib
• 17. The reason for differences in the sets of proteins expressed in a nerve and a pancreatic cell of
• 27. Regarding transcription factor II H (TFIIH), which statement is correct?(A) TFIH is a multimeric
• 18. Which of the following develops the greatest pressure on the blood in the mammalian aorta?(A) sy
• 28. Regarding transfer RNA (tRNA), which statement is cortect?(A) tRNA has a universal 5' -CAA-
• 19. What makes sexually reproduced offspring genetically different from their parents?(A) genetic re
• 29. What method can be used to functionally inactivate a gene without altering its sequence?(A) gene
• 20. In an animal that switches between sexual and asexual reproduction, when is sexual reproduction
• 30. Which of the following is a feature that defines a cell dying via apoptosis?(A) the nucleus cond