Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 4, Problem 5MCQ
Which of the following statements best describes what happens a cell exposed to polymyxins that destroy phospholipids?
- a. In an isotonic solution, nothing will happen.
- b. In a hypotonic solution, the cell will lyse.
- c. Water will move into the cell.
- d. Intracellular contents will leak from the cell.
- e. Any of the above might happen.
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Students have asked these similar questions
Which of the following processes requires protein carriers to move materials up their concentration gradient?
____ a. active transport
____ b. osmosis
____ c. endocytosis
____ d. facilitated diffusion
Which of the following explains why a cell's size is limited?
a
The cell membrane increases too fast for the cytoplasm to keep up with its reactions.
b
The cell membrane becomes rigid.
c
The cell membrane cannot supply enough substances to support organelles in the center.
d
The cell membrane is too large to allow for transport.
Based on the picture,
B. What is the primary function of #5 within a cell?
A. Form membranes
B. Store energy
C. Structural support
D. Maintain constant pH
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 - 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 - 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 - 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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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 distinguishes osmosis from simple diffusion? a) a concentration gradient b) a solute c) a selectively permeable membrane d) water moleculesarrow_forwardWhich term best describes the following scenario: Calcium ions travel through the cell membrane into the cell, using an integral protein. There is a higher concentration of calcium in the cell. A) Diffusion/Passive transport B) Facilitated diffusion C) Active transport D) Fluid mosaic model E) All terms in this list are correctarrow_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
- Which of the following best describes a hypotonic solution? a-There is a higher concentration of solute outside the cell than inside the cell b-There is a lower concentration of solute outside the cell than inside the cell c-The solute concentration both inside and outside the cell is equal d-Through osmosis, water will enter the cell causing it to swellarrow_forwardWhich of the following will occur when a cell is placed into a hypertonic solution? A. The cell will swell up as water comes through the membrane into the cell. B. Nothing will happen and the cell will stay the same size. C. The cell will shrivel as water leaves the cell.arrow_forwardWHAT ARE THE CONCEPT, APPLI AND IMPORTANCE OF THE FOLLOWING?I. Translocation through an artificial membranea. Osmosis b. DialysisII. Translocation through the cell membrane a. Animal Cell b. Plant Cell c. Diffusion d. Surface tensionarrow_forward
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- which of the following statements is correct about the movement of water across a plasma membrane a. it cannot pass through any ion channels b. it moves through the membrane via mediated transport c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer d. artificial lipid membranes are impermeable to waterarrow_forwardWhich of the following best describes a hyperosmotic solution? A. a solution with a higher concentration of solutes as compared to the other side of the membrane B. a solution with a lower concentration of solute as compared to the other side of the membrane C. a solution with equal solute concentration as compared to the other side of the membrane D. none of the abovearrow_forwardIf a scientist drops an animal cell into a solution that contains 10 times more salt than is found inside the cell, which of the following will happen? Hint: drawing a picture may help you. A) The cell will burst since the solution is hypertonic B) The cell will shrink since the solution is hypotonic. C) The cell will burst since the solution is hypotonic. D) The cell will shrink since the solution is hypertonic. E) The cell will not change in size since the solution is isotonic.arrow_forward
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