Find the connection among the words below and choose the letter of the word which is different. O A. casting tray OB. combs OC. 55 degrees Celsius OD. electrical leads
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- write the procedure for the following a. celloiding embedding b. epoxy embedding c. vacuum embeddingWrite the procedure for the following embedding. a. Celloidin embedding b. Vacuum embedding c. Epoxy embedding d. Resin embeddingWhich statement(s) describe(s) a microplate reader?A. It is spectrophotometerB. It can read the absorbance of one sample with adjustable path lengthC. It can handle multiple samples in parallelD. It will do all measurement jobs without our supervision a. A & B b. A, B & C c. A, B, C & D d. A e. A & C
- 3. Fibre Content a look for labels in 4 different types of textile products and find out what the Fibre Con- tent is for each product. A Draw the product as a careful line diaagram and write the fibre content in percent- ages. e Include at least one product made from 100% natural fibre, and one product made from 100% a synthetic fibre. Ext. Find out the name of 2 other modern, natural fibres and give1 advantage & disad- vantage of each.natural indicator can you use if you run out iodine? A. Ampalaya C. Purple camote 11. B. Ginger D. Carrots rerers to a sample of a plant, animal or microorganism placed in a glass slide, water as its magnifving liquid and covered by a very thin cover sip. A. Wet mount slide B. Glass slide C. Dry mount slide D. lodine Solution 12.The onion bulb skin is the best plant specimen to be viewed under the microscope because of its observable properties like A. small ,thin and B. small, thick D. big, thick C. big, thin 13. What can replace a cover slip if you accidentally broke it? A. Paper C. Plastic cover B. Paper tissue D. Cloth 14. Which part of the microscope allows you to bring the low power objective closer or farther to the specimen being view? A. Fine adjustment knob C. Course adjustment knob 15. Under the high power objective, the small letter "e" as seen under the microscope is inverted and B. Inclination joint D. Revolving nose piece in the magnification view. B. only portions are…In starch test describe and explain the change color in results:A. Yellow to BrownB. Blue to Black
- O c. bends the light toward the eye and makes the specimen app d. Magnify the apparent size of the specimen Clear my choice What is the purpose of a wet mount slide preparation? Select one: a. None of the answers are correct b. improves the image quality and supports the specimen c. helps to identify diff ent types of cells O d. helps to dilute the specimen. What is the purpose of xylene (xylol) in the isolation and identificat Select one: a. it is used as a clearing agent. O b. it is used as a counter stain. O c. it is used as a decolorizer. d. it is used as staining agent. Clear my choice MacThe primary difference between a TEM and SEM is in a. magnification capability b. colored versus black-and-white images c. preparation of the specimen d. type of lensesWhen a mixture of various molecular sized dyes are run through a gel chromatography column, what is eluted in the Void Volume? A. Blue Dextran B. Flourescein C. Both D. Nothing
- Which of the following WILL INCREASE gelling if addition of Ca2+ ions was added? a. starch b. alginates c. agar d. chitinAnalogies An analogy is a relationship between two pairs of tems or phrases written as a : b C d. iF symbol : is read as "is to", and the symbol : is read as "as". In the space provided, write the lette the pair of terms or phrases that best completes the analogy shown. 20. virus : bacterium : a. lamp : light bulb b. pumpkin : strawberry C. desk : doorknob d. sidewalk : street 21. DNA or RNA : viruses:: a. capsids : viral envelopes b. RNA : DNA C. white blood cells HIV d. TMV : bacterial cell 22. photosynthetic bacteria: sulfur compounds: a. chemoautotrophic bacteria : sulfur compounds b. chemoautotrophic bacteria: organic material C. heterotrophic bacteria : organic material d. photosynthetic bacteria : ammonia 23. Clostridium botulinum : botulism :: a. E. coli : diphtheria b. E. coli : Salmonella c. Staphylococcus aureus : Salm d. Corynebacterium diphtheriaeChoose the one answer that fits best. Which of the following statements regarding loading the well of a gel during electrophoresis is NOT correct? a. Holding the tip far above the well will make sure your solution sinks into the well properly b. Depressing the plunger too fast or too far can cause air bubbles in the well c. Depressing the plunger too fast while in the well may cause your solution to squirt out of the well d. Inserting the tip too far into the well may poke a hole into the well bottom e. You should always add glycerol to your supernatant to help your solution settle at the bottom of the well