Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 24, Problem 2TY
Summary Introduction
Introduction:
Microbiome is a complex system that contain many different microbial species and carry out many types of
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The table below shows the symptoms of some diseases that are caused by bacteria.
Disease
Symptoms
vomiting, abdominal pain, coughing,
muscular weakness, visual disturbance
botulism
inflammation of lungs, fever,
shortness of breath, fluid in lungs
pneumonia
typhoid fever
red rashes, high fever, intestinal bleeding
tetanus
uncontrolled contractions of voluntary muscles
Which two diseases listed in the table affect the digestive system? Be sure to support your reasoning with evidence from the table. Please write in complete sentences.
Which of the following statements about the
microbiome is FALSE?
Defects in microbiome composition can have dire effects
on human health.
A human microbiome is inherited from the mother and
father.
There are ten times more microbial cells than human cells in
the body.
O Microbiomes are contained in defined and relatively
independent parts of the body.
Gram-negative bacteria are not killed by penicillin because they:
do not have ribosomes.
have an outer membrane layer covering their peptidoglycan cell wall.
have two layers of peptidoglycan.
do not have peptidoglycan.
their ribosomes are protected with their own outer membrane layer.
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- Eggs are most likely to be contaminated by: E. Coli. O E. E. Cummings. Salmonella ) Botulism What is most likely to be found inunder.cooked meat SIarrow_forwardWhich of the following is most susceptible to antimicrobial agents? mycobacteria bacterial endospores protozoan cysts vegetative bacteriaarrow_forwardEscherichia coli is a good indicator of water pollution because this bacterium Group of answer choices -grows only in high-salt environments -forms spores -is commonly found in human intestines -is resistant to most antibiotics -undergoes mutations readily Waterborne diseases begin as -infections -intoxications -diseases -abrasions A major organism considered to cause food-borne infection is Group of answer choices -Salmonella. -Staphylococcus. -Pseudomonas. -Bacillus.arrow_forward
- For most folks, their knowledge of the importance of microbes is limited to just those microbes that cause sickness. However, you know better! Which of the following describes a true critical feature of microbe biology illustrating their importance? they are used in the food and beverage production industry. some produce oxygen. microbes are very small, and make up a very small portion of the Earth's biomass. they are important food source for aquatic life they are critical for the process of decay. some can fix atmospheric nitrogen which is important for plant growth. they influence our neurobiology and are critical components of ruminant animal digestive systems.arrow_forwardWhich of the following is an example of a healthy microbiota that helps prevent infection from potentially pathogenic bacteria? Cytophaga Fusobacterium Leptospira Bacteroides Borreliaarrow_forwardWhich one of the following statements regarding antibiotics is FALSE? It is a substance produced by microorganisms It is a substance produced totally by chemical synthesis It is a substance produced partially by chemical synthesis JEANETEN SEER E It is a substance produced by our immune system in response to a pathogen OIt kills or inhibits the growth of micro-organismsarrow_forward
- Which of these statements is false? Microbiology is one of the largest and most complex of the biological sciences O Microbiology is a specialized area of biology that deals with tiny life forms that are not readily observed without magnification. The major groups of microbes included in this field of study are bacteria, viruses, fungi, protozoa, algae, and helminths. Every single microbiologist works in a lab.arrow_forwardWhich of the following is true about proteobacteria? Select all that apply. O they are gram negative O they are gram positive O they are typically classified based on their G+C content O Agrobacterium is an example of a proteobacterium O They are all pathogenic O None are pathogenic O Some genera are important members of the nitrogen cycle O They are metabolically diverse Most are extremophiles O Neisseria is an example of a proteobacteriumarrow_forwardName the bacterias and good benefits to humans. Good Bacteria Benefits 1. 2 3 4 5 6 7 8 9 10arrow_forward
- This bacteria is commonly found in soil and water, and can cause otitis externa (aka swimmers ear). Pseudomonas aeruginosa Streptococcus pyogenes Staphylococcus aureus Staphylococcus epidermidisarrow_forwardSaprophyte is Type of microbes that capable of causing disease in host. Type of bacteria that symbionts of plants and invertebrates, where they carry out important functions for the host. Type of microbes that living in complete harmony with host without causing any harm to them. Type of free-living microbes that live on dead or decaying organic matter.arrow_forwardWhich of the following represents an organism that uses decomposition as its mode of nutrition?a. parasiteb. saprotrophc. autotrophd. All of these are correct.arrow_forward
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