Which of the following bacteria are most likely to be pathogenic? O Psychrophiles O Mesophiles O Thermophiles O Hyperthermophiles

Q: Which of the following is true about biofilms? Most bacteria naturally live in biofilms Bacteria in…

A: According to our guidelines we are allowed to answer a single question at a time. So, if you want…

Q: In the lab you are testing a bacterium's oxygen requirement for growth. You grow your bacterium in a…

A: On the basis of the oxygen requirement, microorganisms can be classified as aerobic and anaerobic.

Q: Which of the following is the most resistant to destruction bychemicals and heat?a) Bacterial…

A: The given microorganisms are some of the known agents that can cause disease and can contaminate a…

Q: In what environments might the following organisms be found? psychrophile

A: Organisms are of three types based on the temperature at which they grow. They are psychrophiles,…

Q: In microbiology, the term growth in a culture usually refers to an increase in O 1) the number and…

A: Microbes are the microscopic appearance creatures that are not visible to the naked eye. These…

Q: Chemoautotrophs can survive on ____________ alone.a. minerals b. CO2 c. minerals and CO2 d. methane

A: Chemoautotrophs are the organisms that acquire their energy by the oxidation of inorganic or organic…

Q: Which of the following bacteria can survive in in temperatures ranging from 39°F (4°C)---to 99°F…

A: Bacteria are single-celled microorganisms that can be found in every environment on Earth. They are…

Q: Which of the following is present in certain Gram positive bacteria and functions in resistance? O…

A: Ans- b) Spores The most resistant part that is present in gram-positive bacteria is spores as it is…

Q: A microbicidal agent has what effect?a. sterilizesb. inhibits microorganismsc. is toxic to human…

A: Microbicidal is the biocidal compound that used to reduce the infectivity of the microorganisms such…

Q: Which of the following control achieves destruction of all forms of life? O a. Disinfection O b.…

A: Life exists in several forms ranging from the unicellular prokaryotes like the single celled…

Q: The most common microbiological contaminant of air is:(a) Spores from bacteria (d) Gram-positive…

A: The unicellular minute organisms which are not visible from the naked eye are known as microbes.…

Q: You have isolated a gram-positive bacterium with low G + C content from unpasteurized milk. It…

A: Given: You have isolated a gram positive bacterium with low G+ C content.

Q: The thermal death point refers to: 1) The time it takes to kill an organism in an autoclave 2) The…

A: As more and more microbes were discovered and identified as the cause of various infections or…

Q: Denitrifying bacteria require a carbon source. The dosage is the amount of chlorine used. An aerobic…

A: Denitrification is the microbial process of reducing nitrate and nitrite to gaseous forms of…

Q: Which of the following bacterial groups would you expect tobe MOST likely associated with human…

A: Bacteria are prokaryotic organisms that belong to the domain Bacteria. They do not possess a true…

Q: Diseases that involve biofilm-producing bacteria are of serious concern. They are not as easily…

A: A biofilm is thin but a robust layer of mucilage , adhered to a surface like human skin , tooth ,…

Q: Bacteria that require an atmosphere strictly of CO2 for growth is called:

A: Bacteria are microscopic single-celled organisms that are cosmopolitan in distribution and can live…

Q: The genus name of this free-living aquatic microbe is It uses for motility and a(n) to prevent…

A: This is a picture of free-living aquatic microbes. It has one central nucleus with several yellow…

Q: Penicillin which is naturally produced by the mold Penicilum notatum to ki bacteria is the first…

A: As per batleby guidelines we have answer only first one. You may repost the rest of the questions…

Q: Which of the following is correct about biofilms? O 1) They are comprised only of psychrophiles. O…

A: Biofilms are collective group of organisms that grow together on different surfaces. Bacteria,…

Q: What type of bacteria is this ? GRAM POSITIVE COCCUS YELLOW PIGMENT CATALASE+ MOTILITY – NITRATE +…

A: Bacteria are microscopic and single-celled organisms that live in diverse environments. They exist…

Q: The bacteria Listeria monocytogenes is capable of doubling every 36 hours in the refrigerator at 4°C…

A: Psychrophiles  The word psychrophile is derived from a combination of two words, "psychro" and…

Q: You discover a previously undescribed prokaryote and in your testing you determine that oxygen is…

A: Facultative anaerobes: Facultative anaerobes are the organisms that can synthesise ATP if oxygen is…

Q: Strict anaerobes cannot live in the presnece of oxgyen because: a.)they have to mitochondria…

A: Cell biology is the investigation of cell design and capacity, and it spins around the idea that the…

Q: Which of the following diseases is/are associated with "Biofilms'

A: Biofilm can be defined as a polymer encased community of microbes(bacteria) that accumulates at a…

Q: Bacteria that thrive in puncture wounds are likely to be (a) aerobes (b) photoautotrophs (c)…

A: Aerobes are the organisms that live and reproduce only in the presence of free…

Q: Which group of Archaea live in anaerobic (no oxygen) conditions such as garbage dumps? Group of…

A: Introduction :- Archae are a group of single-celled prokaryotic organisms (those without a definite…

Q: Which of the following is the best definition of the word extremophile? O bacteria that can…

A: Extremophile are those organisms that lives in extremr environmental cinditions like extreme…

Q: A microbe causing a bloodstream infection is likely all of the following except

A: Certain bacteria can lead to bloodstream infections causing septicemia. It may use an external route…

Q: Which one of the following bacteria helps in improving the soil fertility?   A.  ClostridiumB.…

A: Soil fertility increases due to the presence of nitrogen-fixing bacteria. They help in converting…

Q: e bacteria are neutrophiles because they are growing best at a neutral pH. e bacteria are…

A: Different bacteria grow in different conditions. one such condition is the pH of the medium which…

Q: Microorganisms are involved in each of the following processes EXCEPT infection fog production…

A: Ans: Fog production

Q: * ?Which of the following type of bacteria are pathogenic to humans Thermophiles O Psychrophiles…

A: Growth and development of various type of bacteria is influenced by various range of temperatures .…

Q: Human pathogens are generally which type of microbe?A. barophileB. halophileC. mesophileD.…

A: The optimum temperature is the temperature at which an organism has maximum growth and rate of…

Q: Explain what is happening with this graph that charts the reactions ofa mesophilic bacterium to…

A: Bacteria are unicellular, prokaryotic organisms which are devoid of membrane bound organelles and…

Q: Organısms that grow at temperatures in excess of 100 C are known as A) O thermophiles. B) O extreme…

A: For, the various organisms to sustain their lives, there is a range of parameters such as…

Q: Which of the microbes listed below would be most optimal to use in alcohol production? O Escherichia…

A: Alcohol production Alcohol is any organic compound in which the hydroxyl functional group(-OH) is…

Q: Wild-type bacteria can grow in broth or on agar that contains just an organic carbon source, like…

A: Prototrophs - wild type Auxotrophs - mutant type

Q: Bacteria that are obligate intracellular pathogens of humans are considered to be Autotrophs…

A: 1. Bacteria that are obligate intracellular pathogens of humans are considered to be…

Q: Which of the following groups of bacteria consists of 5 sub-classes, but are diverse in their…

A: Bacteria are the microscopic single celled organisms that has the ability to infect the bodies. The…

Q: Which of the following statements regarding pasteurization is FALSE?   Question options:…

A: all of these statments are TRUE

Q: Why can’t larger multicellular organisms live in the same places as these archaeans?

A: Larger multicellular organisms cannot live in the same places as the archaeans due to the difference…

Q: Which microbe is NOT found present in water with eutrophication events(s)? A. Nitromonas sp. B.…

A: Few important points are as follows: As we know that eutrophication is a process by waterbodies…

Q: The survival, growth and reproduction of microorganisms are influenced by physical and nutritional…

A: *The survival and growth and reproduction of microorganisms are influenced by physical and…

Q: What is the word used to describe microbes which have simple enzyme systems and which require growth…

A: fastidious

Q: Diseases that involve biofilm-producing bacteria are serious concern. They are not easily treated…

A: Biofilms are a collective of one or more types of microorganisms that can grow on many different…

Q: Most human bacterial pathogens are O thermophiles and alkalinophiles O psychrophiles and acidophiles…

A: Mesophiles are known to be adapted to moderate temperature. Mesophiles means middle loving.

Q: Which of the following best describes the pattern of microbial death? O Not all of the cells in a…

A: Bacterial populations die at a constant logarithmic rate. Microorganisms were previously considered…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.