Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 1MCQ
Which of the following is not a distinguishing characteristic of prokaryotic cells?
- a. They usually have a single, circular chromosome.
- b. They lack membrane-enclosed organelles.
- c. They have cell walls containing peptidoglycan.
- d. Their DNA is not associated with histones.
- e. They lack a plasma membrane.
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Which 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.
Which 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 only
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.
Chapter 4 Solutions
Microbiology: An Introduction
Ch. 4 - DRAW IT Diagram each of the following flagellar...Ch. 4 - Endospore formation is called (a) _____. It is...Ch. 4 - DRAW IT Draw the bacterial shapes listed in (a),...Ch. 4 - Match the structures in column A to their...Ch. 4 - Why is an endospore called a resting structure? Of...Ch. 4 - Compare and contrast the following a. simple...Ch. 4 - Prob. 7RCh. 4 - Starch is readily metabolized by many cells, but a...Ch. 4 - Match the characteristics of eukaryotic cells in...Ch. 4 - NAME IT What group of microbes is characterized by...
Ch. 4 - Which of the following is not a distinguishing...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which of the following statements best describes...Ch. 4 - Which of the following is false about fimbriae? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - You have isolated a motile, gram-positive cell...Ch. 4 - The antibiotic amphothericin B disrupts plasma...Ch. 4 - How can prokaryotic cells be smaller than...Ch. 4 - The smallest eukaryotic cell is the motile alga...Ch. 4 - Two types of prokaryotic cells have been...Ch. 4 - In 1985, a 0.5-mm cell was discovered in...Ch. 4 - When E. coli cells are exposed to a hypertonic...Ch. 4 - Clostridium botulinum is a strict anaerobe; that...Ch. 4 - A South San Francisco child enjoyed bath time at...Ch. 4 - Live cultures of Bacillus thuringiensis (Dipel)...
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- Which of the following is NOT a key difference between eukaryotic and prokaryotic cells? a. The presence or absence of membrane-bound organelles b. The type of ribosomes used to make protein. c. The presence or absence of a membrane-bound nucleus. d. The use of DNA to encode genetic information.arrow_forwardWhich one of the following is not a characteristic of all prokaryotes (Archea and Bacteria)? A. no nucleus B. smaller ribosomes than (most) of eukaryotes ribosomes C. existed before eukaryotic cells D. Contain some organelles like mitochondriaarrow_forwardWhich of the following is not true of ALL eukaryotic cells? explain why A. They have membrane-bound organelles B. They have chloroplasts C. They have a nucleus D. They have a cell membranearrow_forward
- Which of the following is true? a. Prokaryotic cells are smaller in size but metabolically more complicated. b. Eukaryotic cells are compartmentalized and with the DNA (genetic material) found in the nuceloid.arrow_forwardDifferentiate cell membrane from plasma membrane: a. cell membrane is more complex b. the plasma membrane seperates the outside world of prokaryote c. the cell membrane is only present in eukaryotes d. none of the choicesarrow_forwardEukaryotic motile cilia and flagella have similar structures but vary in number, length, and function. For each of the following, compare/contrast cilia and flagella. a. number present per cell. b. length of appendage. c. direction of force generated relative to the direction of the appendage. d. function in unicellular and multicellular eukaryotes. e. motion analogy.arrow_forward
- Which of the following is a feature common to all three components of the cytoskeleton? a. They all serve to scaffold the organelles within the cell. b. They are all characterized by roughly the same diameter. c. They are all polymers of protein subunits. d. They all help the cell resist compression and tension.arrow_forwardBacteria lack independent internal membrane systems, but are able to perform photosynthesis and respiration, both of which use membranes. They are able to perform these functions because a. they actually have internal membranes, but only for these functions. b. invaginations of the plasma membrane can provide an internal membrane surface. c. they take place outside of the cell between the membrane and the cell wall. d. they use protein-based structures to take the place of internal membranes.arrow_forwardIn which of the following ways are bacterial cells similar to human cells? a. Bacterial cells have cell walls. b. Bacterial cells have a single, circular chromosome. c. Bacterial cells use ATP to fuel cellular activities. d. Bacterial cells lack mitochondria.arrow_forward
- In which of the following ways does a bacterial cell differ from an animal cell? a. A bacterial cell is much larger than an animal cell. b. A bacterial cell has more mitochondria than an animal cell. c. A bacterial cell has RNA for its genetic material, whereas an animal cell does not. d. A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.arrow_forwardWhich of the following descriptions is not true of all eukaryotes? (a) They are multicellular. (b) They have cellular organelles. (c) They have a larger cell size than prokaryotes have. (d) They have a true nucleus. (e) All of the above are characteristics of all eukaryotes.arrow_forwardelow are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a. Flagella and cilia are the same in terms of their structures. b. Flagella and cilia can be commonly found in prokaryotic, animal, and plant cells. c. In addition to motility, cilia can also play a role in moving particles on the surface of cells and for filtration. Clear my choicearrow_forward
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