Brock Biology of Microorganisms (15th Edition)
Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
bartleby

Concept explainers

Question
Book Icon
Chapter 2.9, Problem 2MQ
Summary Introduction

Some Archaea and Bacteria are planktonic and possess the ability to float in the water with the help of gas vesicles. In a given species, the number of gas vesicles present in a cell varies from a few numbers to hundreds. Such vesicles are permeable to various gases, but impermeable to solutes and water. Gas vesicles provide buoyancy to aquatic microbes and allow the microbes to locate themselves in the region suitable for their metabolism.

Blurred answer
Students have asked these similar questions
Q16
Bellwork 3/23 1. Which characteristic would communicate that the organism is a eukaryote? (12b.DOK 1) a. The organism can convert solar energy into chemical energy b. The organism has a structure for movement/mobility c. The organism has membrane-bound organelles d. The organism contains DNA 2 Which organism has the following characteristics: heterotrophic, eukaryotic, unicellular or multicellular, cell wall made of chitin? (12b.DOK 1) a. Protist b. Plant C. archaebacteria d. Fungi 3. What is the basic structure of a virus? (12e.DOK 1) DNA or RNA surrounded by a protein coat A capsid surrounded by a protein coat A head and tail fibers a. b. С. d. A tiny cell surrounded by a cell wall 4. What evidence would best support the argument that a virus is nonliving? (12e.DOK 1) Its genetic material is not contained in a nucleus. It lacks mitochondria for the production of energy. It cannot reproduce without a host. It does not have a cell wall to give it support and structure. a. b. С. d.
Q3. Péclet number - We've seen the Péclet number Pé vl as a useful metric to D' determine if stirring (Pé > 1) is more efficient than diffusion (Pé < 1) for mixing solutions. "Stirring" here can designate any process which applies a force on the molecules, resulting in a velocity v. a) Find the Péclet number for a system of dimension of e to the scale over which most cellular processes occur. 10 um. This corresponds b)Find the scale l for which diffusion is just as efficient as electric field for displacing 2-DNA.

Chapter 2 Solutions

Brock Biology of Microorganisms (15th Edition)

Ch. 2.3 - Describe in a single sentence the structure of a...Ch. 2.4 - Why do bacterial cells need cell walls? Do all...Ch. 2.4 - Prob. 2MQCh. 2.4 - What do the enzyme lysozyme and the antibiotic...Ch. 2.4 - Prob. 1CRCh. 2.5 - Prob. 1MQCh. 2.5 - Prob. 2MQCh. 2.5 - Prob. 3MQCh. 2.5 - List several functions of the outer membrane in...Ch. 2.6 - Prob. 1MQCh. 2.6 - Prob. 2MQCh. 2.6 - Prob. 1CRCh. 2.7 - Prob. 1MQCh. 2.7 - Prob. 2MQCh. 2.7 - Chapter Review How can type IV pili facilitate...Ch. 2.7 - Prob. 1CRCh. 2.8 - Prob. 1MQCh. 2.8 - Chapter Review Why would it be impossible for...Ch. 2.8 - Chapter Review How are magnetosomes and the...Ch. 2.8 - Prob. 1CRCh. 2.9 - Prob. 1MQCh. 2.9 - Prob. 2MQCh. 2.9 - Prob. 1CRCh. 2.10 - Prob. 1MQCh. 2.10 - Prob. 2MQCh. 2.10 - Prob. 3MQCh. 2.10 - In a few sentences, indicate how the bacterial...Ch. 2.11 - Prob. 1MQCh. 2.11 - Prob. 2MQCh. 2.11 - Prob. 1CRCh. 2.12 - Prob. 1MQCh. 2.12 - Prob. 2MQCh. 2.12 - Contrast the mechanism for motility in...Ch. 2.13 - Prob. 1MQCh. 2.13 - Prob. 2MQCh. 2.13 - Prob. 3MQCh. 2.13 - Chapter Review How does scotophobotaxis differ...Ch. 2.13 - In a few sentences, explain how a swimming...Ch. 2.14 - Prob. 1MQCh. 2.14 - Prob. 2MQCh. 2.14 - Prob. 3MQCh. 2.14 - List at least three features of eukaryotic cells...Ch. 2.15 - Prob. 1MQCh. 2.15 - Prob. 2MQCh. 2.15 - Prob. 3MQCh. 2.15 - How are the mitochondrion and the hydrogenosome...Ch. 2.16 - Prob. 1MQCh. 2.16 - Prob. 2MQCh. 2.16 - Prob. 3MQCh. 2.16 - Describe the major functions of the endoplasmic...Ch. 2 - Prob. 1AQCh. 2 - Assume you are given two cultures, one of a...Ch. 2 - Prob. 3AQ
Knowledge Booster
Background pattern image
Biology
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.
Recommended textbooks for you
  • Text book image
    Biology 2e
    Biology
    ISBN:9781947172517
    Author:Matthew Douglas, Jung Choi, Mary Ann Clark
    Publisher:OpenStax
Text book image
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax