Microbiology: An Introduction Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition) (What's New in Microbiology)
13th Edition
ISBN: 9780134688640
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1, Problem 7MCQ
It has been said that bacteria are essential for the existence of life on Earth. Which of the following is the essential function performed by bacteria?
- a. control insect populations
- b. directly provide food for humans
- c. decompose organic material and recycle elements
- d. cause disease
- e. produce human hormones such as insulin
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following is TRUE regarding bacteria?
a- Bacteria help produce vitamins in our digestive system
b- Bacteria help clean our intestinal walls and help digest food
c- Bacteria are involved in the production of a variety of foods we consume
d- All of the above are true
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 wall
You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. You can conclude all of the following about this microorganism except that it:
a. has cell walls
b. has DNA enclosed in a nucleus
c. is a bacterium
d. absorbs organic nutrients
Chapter 1 Solutions
Microbiology: An Introduction Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition) (What's New in Microbiology)
Ch. 1 - Review 1. How did the idea of spontaneous...Ch. 1 - Briefly state the role microorganisms play in each...Ch. 1 - Into which field of microbiology would the...Ch. 1 - Match the microorganisms in column A to their...Ch. 1 - Match the people in column A to their contribution...Ch. 1 - It is possible to purchase the following...Ch. 1 - NAME IT What type of microorganism has a...Ch. 1 - DRAW IT Show where airborne microbes ended up in...Ch. 1 - Prob. 1MCQCh. 1 - Which of the following is not a characteristic of...
Ch. 1 - Which of the following is the most important...Ch. 1 - Recombinant DNA is a. DNA in bacteria. b. the...Ch. 1 - Which of the following statements is the best...Ch. 1 - Which of the following is a beneficial activity of...Ch. 1 - It has been said that bacteria are essential for...Ch. 1 - Prob. 8MCQCh. 1 - Spallanzanis conclusion about spontaneous...Ch. 1 - Which of the following statements about E. coli is...Ch. 1 - How did the theory of biogenesis lead the way for...Ch. 1 - Even though the germ theory of disease was not...Ch. 1 - Prob. 3ACh. 1 - Find at least three supermarket products made by...Ch. 1 - People once believed all microbial diseases would...Ch. 1 - Prob. 1CAECh. 1 - In 1864, Lister observed that patients recovered...Ch. 1 - Prob. 3CAE
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
- Bacteria that can survive in extreme environments are called: a-Anaerobes b-Saprophytes c-Aerobes d-Archaebacteriaarrow_forwardThese bacteria ferment sugars, produce lactate, and are used for some food production. a. Bacillus b. spirochetes c. cyanobacteria d. Agrobacterium e. Lactobacillusarrow_forwardRecently, a microbe that is able to digest cellulose was discovered in a hot spring with an average temperature of 95°C. This microbe most likely belongs to which of the following groups? A. Archaea B. Proteobacteria C. Cyanobacteria D. Spirochetesarrow_forward
- What part of an animal USUALLY do not have microbes? A. Teeth B.Genitalia C. Lungs D. Gastrointestinal tractarrow_forwarda) Biofilm is: a. a complex established community of microorganisms on solid surfaces b. is a layer of millions of identical bacteria on solid surfaces c. is a layer of compounds released from the tissue as a protection against pathogenic microorganisms d. All of these are correct b) Capsule formation is associated with the virulence of pathogenic bacteria. Why? Select all that apply. a. They are sticky and attach better b. They can escape phagocytosis c. The capsule makes them grow/multiply faster d. They kill immune cellsarrow_forwardWhich of the following statements DOES NOT describe nitrogen fixing bacteria? A. Can be found only as a symbiotes associated with the root nodules of legumes. B. Maybe be present in soil. C. Converts atmospheric nitrogen to organic nitrogen. D. Composed of many species of bacteria.arrow_forward
- A bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wallarrow_forwardAn infectious dose of several million cells in enteric infections seems like a lot. a. In terms of the size and abundance of microbes, could you see a cluster containing that many cells with the naked eye? b. About how long would it take an average bacterial species to reach the infectious dose of a million cells starting from a single cell? c. Why do enteric diseases require a relatively higher infectious dose than nonenteric diseases? d. Explain why antimicrobic therapy used on gram-negative bacterial infections could actually lead to illness rather than cure itarrow_forwardMany of the first prokaryotes to be cultured in a scientific lab were human or animal pathogens. Why would these species be more readily cultured than non-pathogenic prokaryotes? a. Pathogenic prokaryotes are hardier than nonpathogenic prokaryotes. b. Non-pathogenic prokaryotes require more supplements in their growth media. c. Most of the necessary culture conditions could be inferred for pathogenic prokaryotes. d. Pathogenic bacteria can grow as free bacteria, but non-pathogenic bacteria only grow as parts of large colonies.arrow_forward
- Farmers often spray spores of which bacterial species that make a protein toxic only to some insect larvae? a. Bacillus thuringiensis b. Proteobacteria c. Agrobacterium tumefaciens d. Aspergillus niger e. Verticilliumarrow_forward) Microorganisms are involved in each of the following processes a. infection. b. decomposition of organic material: C. O2 production. d. food production. All of the above 2) The term used to misarrow_forwardThe first step for directly linking a microbe to a specific disease according to Koch's postulates is to A.isolate microbes from the blood of healthy animals. B. culture the blood or other body fluid from a diseased animal using nutrient medium. C. inject a sample of blood or other body fluid from a diseased animal into a healthy animal. D. obtain a sample of blood or other body fluid from a diseased animal.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Basic Clinical Lab Competencies for Respiratory C...NursingISBN:9781285244662Author:WhitePublisher:Cengage
Basic Clinical Lab Competencies for Respiratory C...
Nursing
ISBN:9781285244662
Author:White
Publisher:Cengage
Biodiversity hotspots and functional diversity; Author: Stockholm Resilience Centre TV;https://www.youtube.com/watch?v=Gr_eIsFOKr4;License: Standard Youtube License