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• 8.Which of the following is not correct about bacteria? (A) Mycoplasmas lack a cell wall. (B) The nu
• 9. Which of the following is true of the bacterial lipopolysaccharide (LPS)? (A) The core polysaccha
• 10. Moist heat sterilization at 100℃ kills all of the following EXCEPT ________.(A) bacterial endosp
• 2. What is the reason that a modern transmission electron microscope (TEM) can resolve biological im
• 11. Development of drug resistance is encouraged by________.(A) use of a high enough concentration o
• 3. All of the following are part of a prokaryotic cell EXCEPT?(A) a cell wall (B) a plasma membrane
• 4. Which of the following is a major difference between prokaryotic cells and eukaryotic cells? (A)
• 5. Which of the following is present in a prokaryotic cell? (A) mitochondrion (B) ribosome (C) chlor
• 6. What is the function of the nuclear pore complex found in eukaryotes? (A) It regulates the moveme
• 7. A cell with a predominance of ribosomes associated with the endoplasmic reticulum is most likely
• 12. All of the following statements are true except: (A) Col plasmids encode colicin which kills str
• 13. If you forgot to heat fix a smear before doing a Gram stain, which of the following might occur?
• 14. SARS-CoV-2 causes by (A) Herpesvirus (B) Adenovirus (C) Coronavirus (D) Rotavirus (E) Retrovirus
• 8. A cell with an extensive area of smooth endoplasmic reticulum is specialized to (A) play a role i
• 9. Which structure is NOT part of the endomembrane system? (A) nuclear envelope (B) chloroplast (C)
• 15. Angiotensin-converting enzyme 2 is not a (A) membrane protein (B) SARS-CoV-2 receptor (C) vasodi
• 10. Which of the following produces and modifies polysaccharides that will be secreted? (A) lysosome
• 16. RNA-dependent RNA polymerase of SARS-CoV-2 is not a (A) non-structural protein (B) structural pr
• 17. The spike protein of SARS-CoV-2 is not a (A) structural protein (B) polymerase (C) enveloped pro
• 11. What is the most likely pathway taken by a newly synthesized protein that will be secreted by a
• 12. Which of the following about chloroplasts and mitochondria is NOT TRUE? (A) They have their own
• 18. Which of the following is not an Omicron subvariant of SARS-CoV-2 (A) BA.4 (B) BA.5 (C) BBQ (D)
• 13. The evolution of eukaryotic cells most likely involved (A) endosymbiosis of an aerobic bacterium
• 14. Motor proteins provide for molecular motion in cells by interacting with what types of cellular
• 19. Which of the following is incorrect regarding the SARS-CoV-2 vaccines? (A) Moderna vaccines are