Dyes and stains Study guides, Class notes & Summaries

1. Fabrics frequently are made from a blend or combination of --- Fibers 2. Natural fibers (rayon, cotton, linen) absorb water and other substances more easily than synthetic fibers, so they --- more slowly and --- more easily. 1) Dry 2) Stain 3. The cotton plant produces fibers from the --- --- of the plant. Seed Pod 4. Lignin is the binder in cellulose materials that dissolves in water to cause stains Called ---- ----. Cellulosic Browning 5. The flax plant produ...

Histopathologyhistopathology - correct answers the microscopic examination of tissue in order to study the manifestations of disease fixation - correct answers chemical or physical method of killing the tissue and yet retaining the characteristic peculiarities of shape and structure formalin - correct answers a chemical commonly used as a fixative How to cut tissue into thin sections? - correct answers freeze the fresh fixed tissue, dehydrate tissue in alcohols (embedding) embedding ...

MCB2010L Broward College Exam 1 Questions and Answers Graded A What is the total magnification of an oil immersion lens? 1000x magnification Resolution how clear an image appears Magnification making small things big Working Distance the distance between the tip of the objective lens and the stage What is the purpose of the oil in the oil immersion lens? the oil is used to minimize light refraction to create a sharper, larger image Inoculum the organism that is being transferred from one me...

Fabrics frequently are made from a blend or combination of --- Fibers 2. Natural fibers (rayon, cotton, linen) absorb water and other substances more easily than synthetic fibers, so they --- more slowly and --- more easily. 1) Dry 2) Stain 3. The cotton plant produces fibers from the --- --- of the plant. Seed Pod 4. Lignin is the binder in cellulose materials that dissolves in water to cause stains Called ---- ----. Cellulosic Browning 5. The flax plant produces --- fibers from the --- o...

Reverse osmosis (RO) is describes as a process: correct answer: In which water is forced through a semipermeable membrane that acts as molecular filter. Activated carbon filters remove: correct answer: Organic Compounds from water A 0.22 micron filter will remove: correct answer: Particles with a diameter of 2.2 microns The unit of resistivity is: correct answer: MQcm The electrical resistance measured between opposite faces of a 1.00 cm cube of an aqueous solution at a specified...

OpenStax Microbiology Test Bank Chapter 2: How We See the Invisible World * = Correct answer Multiple Choice 1. Which term is used to refer to a wave’s rate of vibration? A. amplitude B. frequency* C. trough D. wavelength 2. On the figure, which letter represents a refracted ray of light? A. A B. B C. C D. D* 3. On the electromagnetic spectrum, which type of wave has the shortest wavelength? A. cosmic ray* B. infrared ray C. ultraviolet ray D. visible light ...

Microbiology Lab Test, Micro lab 1 Exam Questions and Answers Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation? -Answer-It will diminish the amount o flight that can pass through making it difficult to see under the microscope. Why is it essential that smears be air-dried? Why can't they be gently heated over the flame to speed up the drying process? -Answer-1. Overheat will denature and rupture the cell wall. 2. excess water on the...

HN. MICRO FINAL EXAM: SHORT EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ Ignaz Semmelweis's contributions to microbiology? Correct Answer: Reduced childbed fever by enforcing more sanitary practices. Louis Pasteur's contributions to microbiology? Correct Answer: Helped disprove spontaneous generation. Developed technique of pasteurization. Associated specific organisms with certain diseases. Contributed to the development of vaccines. Joseph Lister...

What bacteria grows red at 25 degrees C but not at 37? Serratia marcescens What does Closterium look like? It is a crescent moon shape with individual dots in the middle of it What does Spirulina look like? It looks greenish, spiraled, and almost DNA like What does Tabellaria look like? It is a large square/rectangle with small pieces on the inside What does Pediastrum look like? Circular ball with lots of individual, smaller subunits in the center of it W...

MICROBIOLOGY FINAL TEST BANK| COMPREHENSIVE SOLUTIONS UPDATEMICROBIOLOGY FINAL TEST BANK| COMPREHENSIVE SOLUTIONS UPDATE Penicillin controls bacterial growth by: A) preventing synthesis of the lipopolysaccharide layer B) inhibiting protein synthesis C) preventing cross-link formation in peptidoglycan D) preventing generation of the proton motive force preventing cross-link formation in peptidoglycan Reproduction via binary fission leads to what type of growth under optimal conditions: A...