If the stain is too red to the naked eye, what can be done to correct this? O that is normal O check pH and decrease it if it is required decrease staining time. B increase staining time
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- QUESTION 4 Match the following regarding the Gram stain. A. last step in the procedure primary stain В. crystal violet counterstain C. nigrosin mordant D. 95% ethanol docolorizing agent E. methylene blue F. jodineThe significance of using immersion oil when using 1OOX objective lens is The significance of using immersion oll when uskng 100X objective lens is: It will increase the contrast by having same refractive index as the lens, loss of light by refraction, reflection and diffraction is minimized. the specimens need not be killed, fixed and stained more light is captured for better illumination, allowing the specimen to fluoresce i. il. iii. iv. A light microscope should have the following features contrast Resolution magnification fluorescence ii. iv.QUESTION 37 of your The ability to distinguish between two closely spaced, adjacent objects is a result of the microscope. O magnification O field of view O parfocal O working distance O resolution
- Lesson Focus Specimens Using the Compound Microscope be seen with the naked eye, we use an the observer, This instrument is called a Te magnity ohjects specially thoe kwo small nshuent thal magalfies so ial it may be seen mkcencope. It is an eavential ool especialty in studlving and observing very tiny objects. Aside h magnillealion ming a micrescope aho provides resolution that is necessary to clearly view speeien. Te property fous a speoimen, you need to follow some steps. These steps shall be diecussed in detail in the prepared activities of this module. What's In Belore we go on with the lesson, it is important to recall your past lesons that are related to in he iR ui nd mim Vam kin wieden nht this leson that you have leaned from the past lesson will be very helpful to better understand our topic. Are you ready now? Let's stact! Match the parts of a compound microscope to its fanction Write your anvwers on a separate paper. 1. This part controls the amount of light parving thugh…יון S All Media Christine 6/7/22, 6:03 PM Question 21 All of the following are types of light microscopes EXCEPT O fluorescent. O scanning tunneling. O phase-contrast. O bright-field. O confocal. > 7 ▬Question 6 Why do you use immersion oil with 100X objective lens? to increase image resolution to lubricate the objective lens O to make the light brighter to increase focus
- Question 3 To see the slide at the highest magnification, turn in between the 40x and 100x and add drops of immersion oil onto the slide. Carefully slide the [Select] ✓lens into position. Use only the fine focus to make the image clear.Question: The students have some wool samples that they have dyed. They want to find out how much of the dye washes out of the wool at different temperatures. They decide to use colorimetry. Describe a suitable method for this experiment. Include the control variables in your answer. Im stuck answering this question, pls help.Question 2 MSA is a selective medium and contains a higher salt concentration, a pH indicator and Mannitol sugar. Which of the following makes it selective me Staphylococci? OA Mannitol O B. PH indicator OC Agar O D, Salt
- QUESTION 2 To establish a standard curve for a BSA standard curve using Bradford, the spectrophotometer wavelength is set on which value? O the wavelength at which the BSA-Bradford complex's absorption value is the highest O the highest wavelength possible O the wavelength at which the BSA-Bradford complex's absorption value the lowest O the wavelength at which the Bradford's absorption value is the highest the wavelength at which the Bradford's absorption value is the lowest O the lowest wavelength possibleQuestion 15 While viewing a slide under the microscope, I can use 100 x lens directly. O True O False1:07 < Вack Untitled 6 Brownian movement of bacteria: O a. Can be observed by the of soft agar technique O b. Can be observed by staining of Staphylococcus aureus Oc. Is common in Escherichia coli or Proteus vulgaris O d. Is common in Staphylococcus aureus O e. Can be observed at the edge of a microscope CLEAR MY CHOICE
