MICROBIOLOGY-ACCESS >CUSTOM<
13th Edition
ISBN: 9780135668825
Author: Tortora
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 4, Problem 4MCQ
Which statement best describes what happens when a gram- positive bacterium is placed in an aqueous solution of lysozyme and 10% sucrose?
- a. No change will result; the solution is isotonic.
- b. Water will move into the cell.
- c. Water will move out of the cell.
- d. The cell will undergo osmotic lysis.
- e. Sucrose will move into the cell from an area of higher concentration to one of lower concentration.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A particular bacterium requires techoic acid in its medium in order to grow. What would the bacterium not be able to synthesize if you were to omit the techoic acid?
A. Plasma membrane
B. Cell wall
C. Lipopolysaccharides
D. None of the above
Which statement is false regarding bacterial cell walls? A. Both Gram positive and Gram negative bacteria contain peptidoglycan in the cell wallB. Gram negative bacteria have a thin layer of peptidoglycan and stain pinkC. Gram (+) bacteria are positively charged due to phosphate groups in teichoic acidsD. Gram (-) bacteria have an outer cell wall containing lipopolysaccharideE. Both teichoic acids and lipopolysaccharide can be used to separate bacterial species
What kind of work is involved when a bacterial cell rotates its flagellum for "run and tumble" mechanism?
a. Transport
b. Chemical
c. Mechanical
d. Transport and Chemical
Chapter 4 Solutions
MICROBIOLOGY-ACCESS >CUSTOM<
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)...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statement about the bacterial cell wall is INCORRECT? a. The cell wall is relatively nonpermeable and restricts the passage of sugars and amino acids. b. Gram-positive cells have more peptidoglycan in theircell walls than Gram-negative cells. c. Gram-negative cells have a membrane both inside andoutside their cell walls. d. The cell wall establishes a bacterium’s shape as a coccus,bacillus, or spirillum.arrow_forwardWhich of the following is true of passive transport?a. it requires a gradient b. it uses the cell wall c. it includes endocytosis d. it only moves waterarrow_forwardCompare and contrast the Gram-positive and Gram-negative bacterial cell walls. Discuss the cell wall components that make the Gram-positive and Gram-negative bacterial cell wall different from each other. Explain why you think one cell wall is stronger than the other.arrow_forward
- If a Gram-positive bacteria is treated with penicillin, and then placed into a hypotonic solution, what is likely to happen to the cell? O A. osmotic lysis OB. plasmolysis O C. nothing would happen O D. bacteria cell would go into dormant state.arrow_forwardMembers of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with only a simple cell membrane made up of fatty acids and phospholipids. They cannot however, synthesize their own fatty acids. How is this possible? A. They use host materials B. They use peptidoglycan from other bacteria C. They use anabolism as a way to create their outer membrane D. They use amino acids to build their membranesarrow_forwardWhich of the following pairs is mismatched? a. catalase: hydrogen peroxide production b. bactericidal permeability-increasing protein: binds LPS and kills Gram-negative bacteria c. elastase: basement membrane degradation d. NADPH oxidase: superoxide radical production e. gelatinase: iron sequestration f. paracrine: acts on neighboring cells.arrow_forward
- Which pathway provide macromolecules in dividing cells? a. Regulated exocytosis pathway b. Receptor-mediated endocytic pathway c. Non-selective endocytic pathway d. Constitutive exocytosis pathwayarrow_forwardCompare and contrast the Gram-positive and Gram-negative bacterial cell wall. Discuss the cell wall components that make the Gram-positive and Gram-negative bacterial cell wall similar and the cell wall components that make the Gram-positive and Gram-negative bacterial cell wall different from each other. Explain why you think one cell wall is stronger than the other.arrow_forwardWhich of the following is a primary bacterial cell wall function?a. transport c. supportb. motility d. adhesionarrow_forward
- was used by Joseph Lister to clean wounds and surgical instruments: A.Antibiotics b.Chlorine water Carbonic acid dAntitoxins e. Carbolic acid Which one of the following does not apply to the bacterial glycocalyx? It is not responsible for virulency b .It allows the organism to resist drying C. It may allow an organism to resist phagocytosis d.It is composed of carbohydrates E. It is enclosed by the cell wallarrow_forwardWhich process does not require cellular energy (and thus, it is a passive process)? a. primary active transport. b. carrier-mediated facilitated diffusion. c. endocytosis. d. exocytosis.arrow_forwardWhat cell process does this statement describe? Waste material is enveloped inside a vesicle, and the vesicle merges with the cell membrane and releases the waste outside the cell. a. Phagocytosis b. Endocytosis c. Exocytosisarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license