How does UV light harm organisms?

Q: 1.At which wavelength is UV radiation most germicidal? Explain. 2.What limited protection do cells…

A: Cells are the basic unit of life, and they are the smallest and simplest structure that can perform…

Q: (b) Why is selectivity of photodynamic very important? How can it be treatment achieved?

A: Photodynamic treatment involves use of molecules called photosensitizers which gets activated in the…

Q: What is the effect of light on microbial growth?

A: Introduction:- The quantity of bacteria in a population, rather than the size of individual cells,…

Q: What is Circular Dichroism? Discuss its theory and applications.

A: Circular dichroism is a form of light absorption spectroscopy. This method was first described by…

Q: Why is ionizing radiation more effective than UV radiation forsterilization of food products?

A: Ionizing radiations are the radiations that are released by the atoms that travels in the form of…

Q: Why might Gamma irradiation be considered better than using UV radiation?

A: It is required to provide reason that Gamma irradiation is considered better than using UV radiation…

Q: What is the best wavelength to study light scattering with bacteria?     260 nm     260-280 nm…

A: 260-280 nm The best wavelength to study light scattering with bacteria depends on the specific…

Q: Considering the effects of UV light on bacteria and other microbes, what might you conclude about…

A: Ultraviolet (UV) rays are electromagnetic radiations from the sun. Purines and pyrimidines absorb…

Q: What color of light results from the addition of cyan light and red light? green blue white magenta

A: Green, blue and red are primary colours. When these colours are mixed in different proportions new…

Q: Is biological magnification still a problem?

A: Any concentration of a toxic substance, such as insecticides, in the tissues of resistant organisms…

Q: What is the difference between basic and acidic dyes?

A: Dye or stain is the synthetic chemical which is derived from aniline or nitrobenzene. Strains are…

Q: all toxic materials subject to biological magnification? What are the requirements for magnification…

A: Biological magnification is the process by which certain substances become more concentrated as they…

Q: I need some help understanding Gram staining I have so much trouble understanding what colors are…

A: Gram staining is a differential staining technique that divides bacteria into two groups,…

Q: What makes graffiti effective?

A: Graffiti means picture on wall or in public places.This is one of the type of art which makes Happy…

Q: How is household bleach like a weapon against pathogenic bacteria?

A: pathogenic bacteria are those bacteria which can cause disease . they have to be eradicated .

Q: Define the term pure pigment.

A: A material that changes the color of transmitted light due to absorption of selective wavelength is…

Q: How many different enzymatic activities are required in human cells to repair the most common damage…

A: Introduction - five major repair pathway- 1—base excision repair (BER) 2. nucleotide excision repair…

Q: What stains best enhance the visibility of cellular structures?

A: Microorganisms are minute organisms with colorless cellular structures. They are visualized under…

Q: What could potentially happen if you leave the slide exposed for too long to the open flame? Why do…

A: If the slide is overheated the cell wall of the smear will be ruptured . Concentration and freshness…

Q: What is the parts and its functions of fluorescence spectroscopy and uv vis instruments

A: Spectroscopy is the study of the absorption and emission of light and other radiation by matter.

Q: What is the value of uv?

A: Introduction UV is the invisible rays that are part of the energy that comes from the sun, Excessive…

Q: Which stains are selective in microbiology?

A: INTRODUCTION Gram staining, acid fast staining, capsule staining and volutine granule staining are…

Q: Why are film formers and solvents important in sunscreen formulations

A: In generating medicines or cosmetics formulation plays a key role as it makes sure that the active…

Q: Specifically explain how UV light kills bacteria.

A: Ultraviolet (UV) light is an electromagnetic radiation with the wavelength ranging from 10 nm to 400…

Q: 1. How is ultraviolet light used in forensic photography? 2. How is infrared light used in forensic…

A: According to the question, we have to discuss the procedure of how ultraviolet light and infrared…

Q: Explain the concept of Ultraviolet Light ?

A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and…

Q: Classify H and E staining?

A: Hematoxylin and eosin staining (H and E staining) is a widely used histological staining method used…

Q: If you travel north from the equator, what generally happens to the intensity of ultraviolet light?

A: The intensity of UV ray coming from sun depends on the angle of elevation. The angle of elevation of…

Q: Describe some applications of ionizing and ultraviolet radiation.

A: APPLICATION OF IONIZING RADIATION it can be used in smoke detectors. It can be used in…

Q: How can UV radiation, Gamma radiation, and Filtration of controlling microbial growth affect cells?

A: Several physical methods are used to control the growth of microorganisms. Radiation and filtration…

Q: Contrast the concepts of magnification, refraction, and resolution.

A: The technical field that uses microscopes to observe objects and their areas that cannot be seen…