An E. coli cell is taken from a medium contaning abundant glucose and placed in a medium containing only lactose. What will happen to the growth curve? O A new lag phase will begin as new enzymes are produced The cells will enter the stationary phase because E. coli can not metabolize lactose The log phase will get faster, because lactose is a better nutrient for E. coli The log phase will not change, because they are both carbohydrates

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: The electron transport system in bacteria involves: a proton motive force and oxidative…

A: The electron transport system, also known as the electron transport chain (ETC), is a vital process…

Q: When would you expect to see the E. coli produce the enzyme beta galactosidase if the growth media…

A: In prokaryotes such as E.coli have controlled gene expression by controlling the rate of…

Q: Table 5.1. Motility of the observed microorganisms Microorganisms Motility (+/-) Bacillus megaterium…

A: Introduction Motile refers to moving ability. It means that any substance that may move from one…

Q: What are the four most important chemical nutrients for microbial growth? O Carbon, copper,…

A: Microbial growth refers to the growth of a population, not to an increase in the size of the…

Q: Lysogenic Cycle   Domain   Anaerobic   Cellulose   Species   Heterotroph   Conjugation.…

A: Lysogenic Cycle It's a type of viral replication, where the virus inserts its genome into the host…

Q: The image above shows tubes A-F, starting from the left side. Each tube shows a different kind of…

A: Bacterial growth is the proliferation of bacteria into two daughter cells which are genetically…

Q: Would an obligate anaerobe or an obligate aerobe be more likely to produce catalase? Why?

A: Introduction :  obligate anaerobes are those bacterium that can live only in the environment…

Q: S. Epidermidis E. Coli E. aerogenes P. búlgaros B. subtilis Record results of each organism for the…

A: Bacteria are single-celled microorganisms that belong to the domain Bacteria. They are among the…

Q: A bacteria colony's radius is measured as a function of time. t r(t) 0 1.01 0.1 1.031 Estimate the…

A: In microbiology, the growth rate of a bacterial colony is an important parameter that helps us…

Q: Table 6.3 Generation Time Escherichia coli Pseudomonas Lactobacillus Nitrobacter Medium aeruginosa…

A: The growth requirements of bacteria can be understood by observing the generation times in different…

Q: An organism that thrives in highly saline (salt rich) environment would be considered a:

A: Some primitive microorganisms are defined by their habitats,  for example methanogens can release…

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: Plateau Phase Death Phase Lag Phase Exponential Growth Phase Fen Ive cels Many e cees Dead cets 15…

A: Bacteria grow rapidly under a favorable environment where all the necessary conditions for its…

Q: Do you think Rickettsia rickettsii can grow on blood agar? Explain.

A: Rickettsia rickettsii is an vital example of gram negative coccus bacteria

Q: Compare and contrast the four phases of growth in a bacterial growth curve.

A: Microbes or microorganisms are visible under the instrument named microscope. Various organisms like…

Q: If you are working at a sewage treatment plant, which microbial process would you use to reduce…

A: denitrification;to reduce HAB's.

Q: You are a technician working in a microbiology lab. You grow two bacteria cultures, Bug A and Bug B,…

A: The cell culture medium is a liquid nutrient solution used to grow and maintain cells in vitro. It…

Q: A pilus could be used for all of the following except: Motility Attaching to a surface Conjugation…

A: There are several cellular projections found in bacteria that perform several functions. The major…

Q: Older people have a higher concentration of PFOAs bio-accumulate. Explain why bioaccumulation is…

A: PFOAs is a pollutant.

Q: Bacterium Z had the lab results below. What can you tell me about the protein metabolism of this…

A: Bacteria are much the same as other life forms so far as proteins are concerned — they contain…

Q: The production of a product P from a particular gram-negative bacteria follows the Monod growth law…

A: Given that,                       rg=μmaxCsCcKs+Cs with     μmax=1h-1, Ks=0.25g/dm3,…

Q: Each Escherichia coli cell weighs 5ng. How many cells are present in a colony that weighs 1mg?

A: E. coli is a rod-shaped, Gram-negative, facultative anaerobic coliform bacteria of the genus…

Q: For a bacterium that prefers a neutral pH and has an optimal (best) growth pH of 7, how would growth…

A: The optimum pH for the growth of microbes is the favorable pH for that organism. The lowest pH value…

Q: A bacteria having a generation time of 30 minutes will undergo 6 cell division/hr. During 6 hrs of…

A: Cell culture provides mechanisms for the investigation of cell physiology and fundamental…

Q: This is a drawing of a Giardia cell. It has flagella, two nuclei and vacuoles. flagella vacuoles…

A: Microscopic single membrane bound thread like structure that Peter out from the cell surface and are…

Q: Where do spoilage microorganisms come from? What are some of the most common spoilage…

A: Food spoilage is a metabolic process which causes food to be undesirable or unacceptable for…

Nutrient Growth Medium

It is a culture medium or nutrient broth for all kinds of microorganisms to grow properly and create their colony. This matrix provides support to increase the population of microbes through the method of cell proliferation. It is regarded as the food material for those organisms. It is a type of in vitro mechanism, in which the development of life is processed outside the host body. It can be solid, semi-solid, or liquid in nature. Different kinds of cells develop in different types of media.