CELL PHYSIOLOGY TEST BANK CHAPTER 4: CELLS AND ORGANELLES TEST BANK QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED)

CELL PHYSIOLOGY TEST BANK CHAPTER 4: CELLS AND ORGANELLES TEST BANK QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED)Which of the following is characteristic of eukaryotic cells? A) binary fission B) membrane-bounded nucleus C) peptidoglycan cell wall D) 70S ribosomes E) smaller than 5 μm in diameter Answer membrane-bounded nucleus The methanobacteria, halobacteria, and sulfobacteria are included in which domain? A) bacteria B) protista C) blue-green algae D) archaea E) eukarya Answer archaea Experiments by Stanley Miller in the 1950s demonstrated that the first organic molecules on earth A) were nucleic acids such as RNA and DNA. B) most likely formed in an extraterrestrial environment and were deposited on earth via asteroids. C) could have formed abiotically in a reducing atmosphere containing hydrogen, methane, ammonia, and water vapor. D) were catalysts composed of simple amino acids. E) were catalysts composed of simple amino acids and most likely formed in an extraterrestrial environment and were deposited on earth via asteroids. Answer could have formed abiotically in a reducing atmosphere containing hydrogen, methane, ammonia, and water vapor The size range of most plant and animal cells is A) 1-10 nm. B) 1-5 μm. C) 10-50 μm. D) 0.1-0.5 mm. E) 50-100 mm. Answer 10-50 μm Which of the following is true of plant cells? A) Plant cells may contain chloroplasts. B) Plant cells are always much larger than animal cells. C) Chromosomes are found only in plant cells. D) Only plant cells have a cell membrane. E) The plant cell has no cell wall. Answer Plant cells may contain chloroplasts