BIOLOGY: CONCEPTS&INVEST. (LL)
5th Edition
ISBN: 9781264706983
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 17, Problem 3MCQ
What feature distinguishes the cell walls of gram-positive and gram-negative bacteria?
- a. Peptidoglycan in the cell wall of gram-positive bacteria
- b. Peptidoglycan in the cell wall of gram-negative bacteria
- c. A second lipid bilayer in the cell wall of gram-positive bacteria
- d. A second lipid bilayer in the cell wall of gram-negative bacteria
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Chapter 17 Solutions
BIOLOGY: CONCEPTS&INVEST. (LL)
Ch. 17.1 - What are two domains that contain prokaryotes?Ch. 17.1 - Prob. 2MCCh. 17.1 - Prob. 3MCCh. 17.1 - Prob. 4MCCh. 17.2 - Prob. 1MCCh. 17.2 - Prob. 2MCCh. 17.2 - What does the Gram stain reveal about a cell?Ch. 17.2 - Prob. 4MCCh. 17.2 - Prob. 5MCCh. 17.2 - How are molecular data changing microbial...
Ch. 17.2 - Prob. 7MCCh. 17.3 - Prob. 1MCCh. 17.3 - Prob. 2MCCh. 17.3 - Prob. 3MCCh. 17.4 - Prob. 1MCCh. 17.4 - Prob. 2MCCh. 17.4 - What adaptations enable pathogenic bacteria to...Ch. 17.4 - What are some practical uses of bacteria and...Ch. 17.5 - Prob. 1MCCh. 17.5 - Prob. 2MCCh. 17 - A prokaryotic cell is one that a. lacks DNA. b....Ch. 17 - Which of these is a distinguishing characteristic...Ch. 17 - What feature distinguishes the cell walls of...Ch. 17 - Prob. 4MCQCh. 17 - Prob. 5MCQCh. 17 - Prob. 6MCQCh. 17 - Prob. 7MCQCh. 17 - Prob. 8MCQCh. 17 - Explain why the antibiotics penicillin and...Ch. 17 - Give five examples that illustrate how bacteria...Ch. 17 - If you were developing a new "broad-spectrum"...Ch. 17 - Ernst Mayr defined a biological species as a...Ch. 17 - In an article in Nature magazine, Sean Nee wrote...Ch. 17 - Ecosystems rely on nitrogen -fixing bacteria,...Ch. 17 - Prob. 7WIOCh. 17 - Prob. 8WIOCh. 17 - Prob. 9WIOCh. 17 - Prob. 10WIOCh. 17 - Mycobacterium tuberculosis causes most cases of...Ch. 17 - Prob. 1PITCh. 17 - Add autotrophs, heterotrophs, phototrophs, and...Ch. 17 - Prob. 3PITCh. 17 - Prob. 4PITCh. 17 - Prob. 5PIT
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- Write an essay outlining the molecular mechanisms used by bacteria to control flagellar motility.arrow_forwardWhich 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 speciesarrow_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_forward
- What is embedded in rough endoplasmic reticulum?a. ribosomes c. chromatinb. Golgi apparatus d. vesiclesarrow_forwardWhich structure will determine that a cell is prokaryotic? a. cell membrane b. cytoplasm c. nuclear membrane d. nucleusarrow_forwardHow does fluoroquinolone antibiotic drug treat infections? a. Blocking folic acid synthesis b. Blocking protein synthesis c. Inhibiting nucleic acid synthesis d. Weakening bacterial cell wallarrow_forward
- What is the rate-limiting step in cytoskeletal filament assembly? A. Nucleation B. Extension C. Branching D. Disassemblyarrow_forwardWhat controls the direction of movement of ions across the membrane? A. Peripheral proteins B. Channel proteins C. Plasmodesmata D. Carrier proteinsarrow_forwardWhat is NOT present in both a prokaryotic cell and an eukaryotic cell? A. cytoplasm B. plasma membrane C. ribosome D. the endomembrane systemarrow_forward
- Bacteria are microscopic single-celled organisms that are far too small to detect with the naked eye. Describe how you could grow enough bacteria in a colony to be viewed without a microscope. What is the relationship between the cells that form a colony?arrow_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_forwardIs the organelle that the line is pointing to found in prokaryotes, eukaryotes, or all cells? A. prokaryotes B. eukaryotes C. all cellsarrow_forward
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