Dyes and stains Samenvattingen, Notities en Examens

What are the three measurements used and what's the relationship between them? millimeters (mm) - 10^-3 M micrometers (Mm) - 10^-6 M nanometers (nm) - 10^-9 M 1000 nm = 1 Mm 1000 Mm = 1 mm Humans can see up to what measurement? ~100-200 Mm What are three contradictions to the definition of a microbe? Supersize microbial cells, Microbial communities, and viruses What are Robert Hooke - Built the first microscope - First to observe mold, fleas, and cork under a micro...

Angelman syndrome Deletion of normally active maternal allele. Mental retardation, seizures, ataxia, inappropriate laughter ("happy puppet") Canavan disease autosomal recessive, chromosome 17 enzyme aspartoacylase hypotonia, poor head control, GE reflux of poor weight gain, demyelination, progressive leukodstrophy, and death in 1st decade coeliac disease protein gluten is not properly broken down cystic fibrosis Hereditary condition that causes the exocrine gland...

Microbiology Lab Review Questions with Certified Answers Explain why the body tube of the microscope should not be lowered while you are looking through the ocular lens. to ensure that the slide or lens is not broken For what purpose would you adjust the Iris diaphragm? adjust the amount of light coming through the specimen For what purpose would you adjust the course-adjustment knob? to bring the specimen into view For what purpose would you adjust the fine adjustment knob? to bring the spe...

BIOL 2325L: FUNDAMENTALS OF MICROBIOLOGY LABORATORY| LAB REPORT 4|LATEST UPDATED 2024 /SCORED A+ Bacterial Structure, Simple Stains, Negative Stains, Gram and Acid-Fast Stains Introduction: Visualizing bacteria is difficult because of their small size and also because their refractive index is close to their aqueoussurroundings, making them nearly transparent. To effectively visualize bacteria,they must be stained to enhance the contrast between the cells and their surroundings (Leboffe a...

Portage Learning: Microbiology Module 3 Already Graded A Define the measurements micrometer and nanometer. A micrometer (μm) is defined as being one-millionth of a meter and is commonly designated at 10-6 meters. A nanometer (nm) equals 10-9 m or one-billionth of a meter. What are the two critical factors that influence your ability to see an object? Resolution and contrast. Resolution refers to the distance between two objects at which the objects still can be seen as separate. Poor or low r...

Microbiology Lab Test, Micro lab 1 Questions with Correct Answers Graded A+ Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation? 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? 1. Overheat will denature and rupture the cell wall. 2. excess water on...

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...

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 Difficulty: Easy ASM Standard: N/A 2. On the figure, which letter represents a refracted ray of light? A. A B. B C. C D. D* Difficulty: Easy ASM Standard: N/A 3. On the electromagnetic spectrum, which type of wave has the shortest wavelength? ...

MLPAO Test Prep ~ Hematology Questions and Answers Graded A+ What does CBC stand for? Complete Blood Count What are the formed elements of blood? WBC, RBC, and Platelets Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen EDTA Anticoagulant Maintains cell shape and size and prevents blood from clotting by binding to calcium Heparin Anticoagulant Initiates cell clumping and provides blue backgroun...

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...