6. If a bacterium that is adapted to live in a freshwater lake is transferred to an ocean, it would: A. Be unaffected because the ocean is isotonic B. Be unaffected because it can swim C. Lose intracellular water because the ocean is hypertonic D. Become bloated with extra water because the ocean is hypotonic

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 requires aerobic conditions?   Question 7 options:   A)  nitrogen fixation…

A: Two basic stages in the treatment of wastes - primary and secondary In the primary stage, solids are…

Q: Which of the following is not one of the six major elements microbes need tosurvive, grow, and…

A: Microbes are small, unicellular, and microscopic organisms. They can be bacteria, viruses, or fungi.…

Q: 4. A bacterium is suddenly expelled from a warm human intestine into the cold world outside (hey,…

A: The characteristic of the cell membrane known as cell membrane fluidity enables it to change its…

Q: A periplasmic space is found in bacteria and the space contains O a. gram-positive; LPS material O…

A: All the bacteria are divided into two major groups that are based on the staining process known as…

Q: Which of the following describes a bacterium that lives in the human intestine and causes disease?…

A: Introduction  Disease refers to any abnormal condition or disorder that affects the body or mind of…

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: When two or more than two food chains interconnect with each other to form a food chain network, it…

Q: You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is…

A: A microorganism, also known as a microbe, is a microscopic organism that can only be seen with the…

Q: Why does secondary treatment of wastewater require O2?

A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…

Q: 10. A student collects a sample of water in Florida with a high salinity. Where is the most likely…

A: Salinity  The amount of salt present in the water is known as salinity of the water.

Q: As desalination technologies improve, it will be important to increase the amount of salt produced…

A: Reverse osmosis is effective in removing almost 99% of the dissolved salts from the water and…

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: each of the following processes. a. infection. b. decomposition of organic material: C. O2…

A: Microorganisms, commonly known as microbes, constitute a vast array of minuscule life forms,…

Q: Which of the following is not considered a microorganism?a. alga b. bacterium c. protozoan  d. flea

A: A microorganism or Microscopic organisms are single-celled. Here we have to check which of the…

Q: Which of the following terms describes a passive transport process? Group of answer choices Uphill…

A: Passive transport process is defined as movement of molecules or particles from  region of high…

Q: 1. What attributes would a microbe need (physical or biochemical) to be able to:   a. Travel from…

A: Microbes are small, unicellular, and microscopic organisms. They can be bacteria, viruses, or fungi.…

Q: a) Anoxic sludge digestion is a secondary waste water treatment; what are the major microbial…

A: Waste water management includes two major steps : Primary treatment and Secondary treatment. In…

Q: particular bacterium requires techoic  acid in its medium in order to grow. What would the bacterium…

A: B. cell wall

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: 1. As compared to planktonic habitat, benthic habitat has much more microorganisms. Why?

A: Benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake…

Q: What is bioremediation? Group of answer choices a.the use of bacteria to clean stuff up b.the use…

A: Microbes are creatures that are too tiny to be seen without a microscope, such as bacteria, archaea,…

Q: microbial biofilms

A:

Q: Many species of bacteria live bound together by a gluelike substance that, among other things, makes…

A: The dental plaque in human teeth is treatable but if it isn't removed when it soft, then it can…

Q: Biofilm is:

A: a) Biofilm is: a) a complex established community of microorganisms on solid surfaces   Explanation:…

Q: A persister cell is an individual bacterial cell that can survive: A. In an autoclave B. An…

A: Persisters are a unique variant of cells that exhibit a state of dormancy while exposed to…

Q: Bacteria that can survive in extreme environments are called: a-Anaerobes b-Saprophytes c-Aerobes…

A: (a) Anaerobes : These are the bacteria or other microorganisms which can survive in absence of…

Q: 1. In what type of environments can a microorganism be found? a. Which environment has many…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Describe at least one adaptation that allows a) planktonic organisms such as diatoms or jellyfish to…

A: A. " Plankton" is a Greek word which means wanderer, these organisms are carried in the flow of…

Q: Microbes are found in whichhabitat?a. human bodyb. earth’s crustc. oceansd. all of the above

A: A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or…

Q: In your environmental science lab, you test water samples from local bodies of water and find high…

A: There are various organisms found in the water bodies The various strains and microbes like…

Q: You have the intention to build a house in a rural community with limited facilities, hence you need…

A: The septic tank is a sealed round or rectangular container which is used to break down the sewage so…

Q: Which of the following is not true about biofilms a) are caused by many Gram positive and Gram…

A: Introduction A biofilm comprises many microorganisms where the cells stick to each other and also…

Q: Waterborne microorganisms can survive in water with small amounts of nutrients but thrive in…

A: Introduction Water pollution is the contamination of water bodies when harmful substances often…

Q: A bacterium that produces an extracellular enzyme may:  a. cause a boil      b. resist an…

A: Extracellular enzymes are an exoenzyme which is secreted by bacteria and functions outside that…