Lysozyme in tears and other secretions - particles by cilia in nasopharynx Mucus lining trachea Skin surface (physical barrier), fatty acids, normal flora Stomach (pH 2) Rapid pH change Normal flora Flushing of urinary tract 33. From the figure, explain how each mechanism serves as a defense agalnst infection.

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 is not a factor of distortion? DNA, pressure, temperature, chemicals

A: Here we need to figure out that from the supplied possibilities which is not  a factor of…

Q: While measuring the turbidity of a bacterial culture in class, Kevin recorded both the absorbance…

A: Turbidity is the measurement of the suspended particles in a fluid that makes it opaque. Quality…

Q: bacterium is grown in an environment with tryptophan added to the medium.  Describe how the bacteria…

A: Tryptopham  is an amino acid and is a necessary ingredient to  synthesise its protein. There are…

Q: Imagine that a bacterial cell finds itself in a solution that contains toxic molecules. What are TWO…

A: Introduction:Bacteria are microorganisms that are clearly visible under the microscope. They come in…

Q: Question 12: Why is the first step of this procedure (the mixing of haploids) performed on rich…

A: We tested the hypothesis that the time course of the evolution of antifungal drug resistance depends…

Q: Efflux pumps seem very energy inefficient. Why don’t bacteria simply fail to take up antibiotics…

A: "Antibiotic resistance is an inevitable consequence of [antibiotic] use, the more you use them the…

Q: If isolated keratinocyges are placed in a hypotonic solution for 24 hours, explain the net direction…

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: Which process uses proteins to move molecules against a concentration gradient?

A:

Q: If the bacteria within your medium suddenly die, can an alteration in osmotic balance be the reason…

A: The passage of water through a membrane is known as osmosis. The movement of water to the side of…

Q: Acid rain is caused by the release of ___ and ___.

A: Air pollution is caused by the release of pollutants into the air that are detrimental to human…

Q: Describe the steps in biofilm formation using the words planktonic organisms, quorum, quorum…

A: Biofilm: Biofilm is defined as the complex aggregation of microorganisms on the surface by…

Q: What role does osmotic pressure play in regard to the action of the drug penicillin against a…

A: Antibiotics formed from the Penicillium molds are termed as penicillin. The group of penicillin…

Q: 10% NaCl solution presents a more environment than a 5% NaCl solution. isotonic O hypotonic…

A: The solution is considered to be hypertonic if a cell with a NaCl concentration of 0.9 percent is…

Q: Colin and Enterobacter aerogenes sho

A: Escherichia coli is a kind of bacteria that is generally present in the intestines of humans and in…

Q: Give typing answer with explanation and conclusion  Why 70% Alcohol is better than 100% Alcohol (as…

A: Introduction :- Alcohol is widely used as an antiseptic due to its ability to kill or inhibit the…

Q: Tetracycline is a drug of preferred use for Mycoplasma infections. Explain how this may relate to…

A: A class of antibiotics known as tetracyclines is effective against a variety of bacteria, including…

Q: Describe the difference between the size of bacteria and size of an ion.

A: Bacteria are microscopic, single-celled organisms belonging to the prokaryotic group. While ion can…

Q: Explain why osmosis is really just a special case of facilitated diffusion

A: Impediments for Bioremediation of Soils Contaminated with OrganicsBioremediation isn't with next to…

Q: About Transport Mechanism What are the concept of Fluid mosaic model related in the following terms?

A: Fluid Mosaic Model-----Many types of molecules which make along  molecules of lipids , both bound…

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.