Number of cells that survive Number of cells added to population (growth) + 20 10 30 40 50 60 Temperature C

Q: You have 2 organisms, A and B. One is an obligate aerobe and the other is an obligate anaerobe. You…

A: Microorganisms are categorized based on their oxygen requirement: Obligate aerobes Obligate…

Q: List three (3) advantages microbes have when living in a biofilm, as compared to planktonic growth.…

A: Some bacteria live in the group/aggregates and form a strong structural network, that provides lots…

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: Bacterial growth depends on many environmental factors, including the temperature of the…

A: The aseptic technique is a method used to prevent the contamination of the culture from the…

Q: compare the mechanisms of microbial death by dry and moist heat.   give 3 factors that would affect…

A: Sterilization is characterized by any process that removes, eliminates, deactivates or kills all…

Q: Which of the following is present in both gram-positive and gramnegativecell walls?a. an outer…

A: Bacteria are biological cells that represent a large domain of prokaryotes. Bacteria are considered…

Q: An apple pie has 3 million bacterial cells. The crust might have been inoculated with 500 bacterium.…

A: Bacteria are prokaryotic organisms. They reproduce asexually without the formation of gametes.…

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 one of the terms below is NOT a stage in the typical growth curve of a bacterial cell under…

A: A typical growth curve of a bacterial cell under ideal condition in culture generally has four…

Q: All bacteria can be categorized as either Gram positive or Gram negative cells. 1) True O 2) False

A: Bacteria are prokaryotic single-celled organisms that be found in various environments. They are…

Q: What is crypto? Rearrange the microorganism according to their resistance to radiation…

A: Food irradiation is a method of exposing the foods to ionizing radiations which kills the…

Q: Draw the following growth curves for E. coli, starting with 100 cells with a generation time of 30…

A: The number of living cells in a bacterial population over time is represented by the bacterial…

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: List and describe the phases of the growth curve of a population of bacteria.  Explain how a…

A: Bacteria are the minute organism that is widespread everywhere. They are present in the air, water,…

Q: biofilm-producing bacteria

A: Disclaimer: Kindly repost for other questions. As per the guidelines we are supposed to answer only…

Q: The following are critical factors for bacteria to survive EXCEPT? A. Appropriate temperature B.…

A: Bacteria can survive in temperatures that are hotter and colder than mammals, but they thrive in a…

Q: The number of bacteria in a culture increases rapidly. The table below gives the number N (t) of…

A: Given Values: Number of bacteria at a time (t=0) = 1000 Number of bacteria at a time (t=3.1 hours) =…

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: The generation time of a bacterium was measured at two different temperatures. Which results would…

A: The small microscopic, unicellular organisms that are generally not visible to the naked eye are…

Q: A microbe cannot grow without using enzymes. Explain why bacteria are limited to growth within a…

A: Introduction Bacteria are the smallest microscopic unicellular organisms on the earth. Bacteria can…

Q: Which of the following affects the elimination of bacteriafrom an object?(a) Number of bacteria…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: Consider the given bacterial growth curve (X axis is time, Y axis is log number of viable cells). At…

A: The number of live cells in a bacterial population over time is represented by the bacterial growth…

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: /hich of the following are ways in which forming a biofilm can make a bacterial fection more…

A: Option b.

Q: A loopful of bacteria containing 1000 bacterial cells is inoculated into a nutrient broth and…

A: It is a multiple choice question.

Q: What incubation temperature is preferred for the growth of most medically important bacteria?…

A: Various bacteria have different incubation temperatures-hyperthermophile (60 degrees C and upwards)…

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: During which growth phase are bacteria experiencing conditions in which microbial waste products are…

A: Bacterial growth curve is the graphical representation of the cycle of cell culture in the presence…

Q: Which of the following is correct? All bacteria can form endospores O Vegetative cells are inactive…

A: Staining technique is a method to determining structure of microscopic organism. Staining technique…

Q: When heat treatment is used as to control microbial growth, what is the immediate impact of this…

A: Heat treatment to a microbe changes its macromolecules and as temperature increases macromolecules…

Q: Which of the following is present in both gram-positive and gramnegativecell walls?a. an outer…

A: There are two types of bacteria Gram-positive and gram-negative.

Q: If you are working at a sewage treatment plant, which microbial process(es) would you use to reduc…

A: The wastewater that is released from the household, factories, industries, etc. is first treated to…

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: * ?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: Which of the following does NOT describe a mechanism of antibiotic resistance among bacteria?…

A: Bacteria is a prokaryotic organisms which causes different types of diseases in humans and other…

Q: Explain the similarities and differences in the cellular structure of Gram-positive and…

A: Introduction:- Bacteria are a broad category of microscopic, unicellular organisms categorised as…

Q: Bacteria that require the presence of oxygen are called.. Select one: O A. obligate aerobes B.…

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: Match the description to the correct phase in a standard bacterial growth curv best time to perform…

A: The method of multiplying bacteria in a predetermined medium under controlled conditions in a…

Q: The generation time of microbacterium cells present in activated sludge is 30 minutes. If these…

A: Introduction: Cells are the most basic and basic unit of life. So, if we dissect an organism down to…

Q: Which of the following is true about the organism which grew at both 37°C and 4°C in the figure…

A: The growth of the organism is very much confluent in 4oC and 37oC respectively.

Q: Bacteria: Pseudomonas aeruginosa Describe the colony morphology.Specify the ecological or clinical…

A: It is a rod shaped, gram negative encapsulated bacterial strain which is capable of causing disease…

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: Bacterial growth depends on many environmental factors, including the temperature of the…

A: The term "aseptic method" refers to a combination of medical practises and procedures that help…

Q: Bacteria of the genus Listeria,  grows best aerobically, but can survive when there is no or very…

A: Respiration process is required by organisms to produce energy in the form of ATP. This energy is…

Q: A bacterium is inoculated into a medium containing two carbon sources, one of which is the…

A: If a bacterium is grown in a medium containing lactose and glucose, it will first utilize glucose…

Q: Which of the following regarding controlling microbial growth is true? a) Microbial death rate…

A: Microbes are small organisms that may cause diseases.

Q: Acidithiobacillus thiooxidans will initiate the death phase when which nutrient gets totally…

A: Acidithiobacillus thiooxidants will initiate the death phase when which nutrients gets totally…

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…

Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.