What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 4, Problem 2MC
Summary Introduction
Introduction:
Prokaryotes are believed to be one of the earliest cells.
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The difference between eukaryotes and prokaryotes is that
a. Eukaryotes lack ribosomes but prokaryotes don't
b. All eukaryotes contain chloroplast but prokaryotes don't
O c. There is no cytoplasm in eukaryotes but it is present in prokaryotes
d. Prokaryotes have no nucleus but eukaryotes do
Which of the following statements is/are FALSE?
A.Prokaryotes have no definite nucleus.
B.Chloroplasts are present in all eukaryotes.
C.Ribosomes can be found in both prokaryotes and eukaryotes.
D.Mitochondria and endoplasmic reticulum are present in eukaryotes only.
Describe how the size of prokaryotic cells compares to that of eukaryotic cells.
A. they are about the same size
B. prokaryotic cells are larger than eukaryotic cells
C. eukaryotic cells are larger than prokaryotic cells
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What Is Life? A Guide to Biology with Physiology
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- What features of mitochondria are similar to bacteria? Select all that apply. A. Membrane-bound ribosomes B. Cellular machinery for photosynthesis C. Independent movement D. Circular DNA similar to plasmidsarrow_forwardIn the domain system of classification, prokaryotes are divided into two domains: Bacteria and Archaea. The two domains differ in all BUT one feature. Which feature do they have in common? A. They both thrive in extreme environments. B. They both have prokaryotic cells. C. They both are able to live only under anaerobic conditions. D. They both have identical cell walls.arrow_forwardWhich of the following best distinguishes a prokaryotic cell from aeukaryotic cell?a. Prokaryotic cells have a cell wall, but eukaryotic cells never do.b. Prokaryotic cells are much larger than eukaryotic cells.c. Prokaryotic cells have flagella, but eukaryotic cells do not.d. Prokaryotic cells do not have a membrane-bound nucleus,but eukaryotic cells do have such a nucleus.e. Prokaryotic cells have ribosomes, but eukaryotic cells do nothave ribosomes.arrow_forward
- Prokaryotic cells lack: A. nucleolus B. nuclear membrane C. membrane bound by organelles D. All of thesearrow_forwardWhich of the following is not found in all bacterial and archaeal cells?a. cytoplasmic membrane b. a nucleoid. c.ribosomes d. flagellumarrow_forwardWhich of the following can differentiate prokaryotic cells from eukaryotes (or vice-versa)? A. presence of compartmentalized and membranous organelles B. ribosomal protein synthesis C. location of the genetic material D. cytoskeletal system B, C, D only A, B, C, D A, B, C only A, C, D onlyarrow_forward
- The presence of a membrane-enclosed nucleus is a characteristic of a. prokaryotic cells b. eukaryotic cells c. living organisms d. bacteriaarrow_forwardWhich of the following statements is correct? Please select all that apply. Select one or more: a. Parasitism between bacteria and archaea caused complex interactions that eventually gave rise to eukarya. b. While bacteria are prokaryotes, archaea are neither prokaryotic, nor eukaryotic but classified as a 3rd cell type. c. Prokaryotes are classified further based on whether they are unicellular or multicellular organisms. d. The molecular biologies of archaea and eukarya show a greater proportion of similarities than those of eukarya and bacteria. e. Prokaryotes could not make photosynthesis until chloroplast endosymbiosis evolution. f. The last universal common ancestor most likely had a primitive prokaryotic cell organization. g. Endosymbiosis of chloroplast precedes that of mitochondria.arrow_forwardWhich of the following is not found in all bacterial cells?a. cell membrane c. ribosomesb. a nucleoid d. actin cytoskeletonarrow_forward
- Unlike eukaryotic cells, prokaryotic cells . a. have no nucleus b. have RNA but not DNA c. have no ribosomes d. a and carrow_forwardWhich of the following would not be found in a prokaryotic cell?a. chloroplastb. DNAc. nucleoidd. nucleusarrow_forwardWhich of the following statements supports the concept of the endosymbiotic theory? A. Proteins may be trafficked within the endomembrane system. B. Ribosomes are present in the cytoplasm of prokaryotic cells and eukaryotic cells. C. Chloroplasts have many features in common with bacteria. D. Mitochondria can fuse together to form larger organelles within eukaryotic cells.arrow_forward
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