The mixture of different light waves is a(n) _____ mixture, and the mixture of paints is a(n) _____ mixture. a. subtractive; subtractive   b. additive; subtractive   c. additive; additive   d. subtractive; additive

Q: Which of the following results in green output in spectrophotometry experiment? a. Violet light b.…

A: Spectrophotometry: it is used for quantitative analysis of spectra of various wavelengths to compare…

Q: Imagine that you have a jar of syrup A and a plastic Ziploc bag of syrup B. You poke tiny holes in…

A: Answer Water moves from the bag to the jar

Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…

A: Magnification means the image produced is more than the size of the object.

Q: Which of the following wavelengths in the electromagnetic spectrum has the most energy? a.…

A: Wavelength is considered as the distance between two consecutive crests and troughs.

Q: Transmission Electron Microscopes allow us to see structures at a high resolution. When do we use a…

A: INTRODUCTION Fluorescence microscope The fluorescence microscope is any microscope that use…

Q: What is the comparison between acrylic and chrome cobalt

A: Dentures are the frames that hold one or more artificial teeth together. These are the prosthetic…

Q: QUESTION 2 The LIGHTER the solution the GREATER its absorbance. O True False QUESTION 3 A particular…

A: 2. The absorbtion is directly proportional to the concentration of the solution. It means if the…

Q: One reason given by Peruvian officials for not chlorinating their water supply is that chlorine can…

A: Chlorination of water is one of the widely accepted methods used worldwide to eliminate the possible…

Q: Select ALL the correctly matched terms: a. Immersion oil/ Oil with a different refrative index than…

A: diffraction is a physical phenomenon in which the light waves bend when meet with an obstacle like a…

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: A natural reflective practice in which sunlight bounces off of ice or other surfaces is known as?

A: Sunlight or solar radiation is an electromagnetic radiation produced by the sun. The radiation from…

Q: Pigment molecules absorb light energy of all wavelengths and reflect other wavelengths Select one:…

A: Photosynthetic organisms like plants (Producers) contain light-absorbing molecules called pigments…

Q: Why do we have to start with the lowest magnification to examine a new slide? a) If the light is too…

A: Microscope is an instrument used to see minute / microscope sample very clearly . It consists of two…

Q: which among the following will not produce a translucent spot when placed in a paper? a. none of…

A: Oils and fats are major components of our body and play a vital role in growth, maintenance of…

Q: Which of these substances are considered hazardous waste? A. Corrosive materials B. Flammable…

A: Introduction Hazardous waste is defined as waste that comprises organic or inorganic components or…

Q: Select the correct statement from the following option: O a. Spectroscopic methods require less time…

A: The branch of science that deals with the study of the interaction that can be described between the…

Q: The UV Index is a standardized scale that forecasts the intensity of UV radiation at any given time…

A: UV (ultraviolet) rays are non-ionizing radiations of the light spectrum. Exposure to these rays…

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: Which statement(s) describe(s) a microplate reader? A. It is spectrophotometer B. It can read the…

A: Introduction :  microplate reader is used to detect biological,  chemical and physical events of…

Q: The following is an UV-Vis schematic diagram. Based on this diagram, answer the following questions:…

A: UV-vis spectrophotometer A spectrophotometer is an instrument or apparatus that is used in the…

Q: 5. The Figure below shows two images A and B. A 4 B Which image has better image quality and why?…

A: Digital radiography (DR) is a high level type of x-beam investigation which delivers a computerized…

Q: In X-ray imaging, a film often displays white areas. This is due to:   (a) High absorption. (b)…

A: X-rays are a form of electromagnetic radiation, similar to visible light. Unlike light, however,…

Q: Why is it important to use radioisotopes in medicine?

A: Health is referring to a condition of complete physical, mental and social well being. Health is an…

Q: O 1) brightfield O 2) TEM 3) fluorescent O 4) confocal O 5) phase contrast

A: Different microscopes are used in terms of conditions in which we want to visualize the specimen.…

Q: Explain how total magnification is calculated. Select an answer. a. It is the magnification of the…

A: An instrument that creates an enlarged image of a small object, thus revealing details too small to…

Q: What happens to the field of view as magnification is increased from low power to high power? A. It…

A: Introduction A microscope's ability to produce a picture of an object at a scale bigger or even…

Q: CHOOSE FROM THE FOLLOWING You should always position the cells or tissues in the center of view…

A: Question -    CHOOSE FROM THE FOLLOWINGYou should always position the cells or tissues in the center…

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: Why are some medical clinics experimenting with natural lighting the use of water , such as…

A: Natural lighting, aquariums, waterfalls and music influence the physicians and patient mental state…

Q: What happens to image resolution as the distance between a patient and a parallel hole collimator…

A: Medical imaging is a technique that refers to various different processes and techniques in order to…

Q: what are 3 things a photon of light can do

A: Photon :- A photon is the basic unit of electromagnetic radiation. Also called a packet, quantum or…

Q: on 4 The cuvette used for UV range in spectrophotometer is: red d out of a. All of the above b.…

A: Introduction: The method used for the quantification and characterization of colorless substances is…

Q: The image below is an example of A C D H. G

A: Microorganisms are the organisms that are not visible to the naked eye. These are usually viewed…

Q: If a bottle of aspirin tablets has the aroma of vinegar, it is time to discard those tablets.…

A: Aspirin belongs to a class of organic molecules called esters i.e. good smell compounds. These…

Q: Which of the following is denoted by hue in the Munsell color chart? O Purity O Dominant spectrum O…

A: Munsell color system is a colour arrangements scheme and is consist of hue,value and chroma.it is…

Q: Identify the FALSE statement about visualization of thin layer chromatography results. A. The spots…

A: Introduction:-  Thin Layer Chromatography is a method for separating non-volatile substances. The…

Q: What color does an object appear if it absorbs light at both 420-500 nm and at 620-700 nm?   a.…

A: The human eye can detect and is sensitive to visible light in the electromagnetic spectrum. The…

Q: What molecular force holds your chlorophyll solvent together? a. hydrogen bonding b.…

A: Chlorophyll molecules are arranged in and around photosystems which are embedded in thylakoid…

Q: Give a specific example on how to use UV-Vis spectrophotometer in Cosmetic Science.  Provide a…

A: The UV/Vis spectrophotometer is thermo Scientific Multiskan SkyHigh Microplate Spectrophotometer.…

Q: High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent.…

A: * LDPE and HDPE are thermoplastic materials that are petrochemical based plastics includes…

Q: White, gray, and black are identified as a. monochromatic hues b. complementary hues c. analogous…

A: Hue It is defined as the property of the color through which it is recognized as ranging from the…

Q: Adding white to a hue creates a ____ while adding black to the same hue creates a _____. A.…

A: Hue The dominating color family is referred to as hue. Hues include primary and secondary colors…

Q: if water is not a good conductor of electricity then why does the lifeguard make you get out of the…

A: A material or substance which allows electricity to pass through them easily are known as good…

Q: Which of the following has the shortest wavelenght?  A. Radiowave B. infrared  c. visible light  d.…

A: The question asks about the correct option for having the shortest wavelength.A). Radio-waves B).…

Q: Pretend you are performing an experiment with a pigmented substance similar to BPB. As the…

A: Part a As the concentration increase, the colour of the solution becomes intense. To produce the…

Q: If a hospital were storing radioisotopes, what is the minimum containment needed to protect…

A: A matter is made of fundamental material called an element. A chemical element comprises only one…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.