Micro lab - Study guides, Class notes & Summaries

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...

Streak plate To isolate colonies Colony selection To get a Pure Culture Gram stain to prove purity Broth subculture To provide fresh nutrients Biochemical testing To identify species Purpose of the Carbohydrate fermentation test To test the organisms ability to anaerobically use sugars to produce pyruvic acid from glycolysis, and eventually lactic acid OR lactic acid and carbon dioxide through fermentation pathways Purposed of the indole production test To test if the organism has...

Streak plate To isolate colonies Colony selection To get a Pure Culture Gram stain to prove purity Broth subculture To provide fresh nutrients Biochemical testing To identify species Purpose of the Carbohydrate fermentation test To test the organisms ability to anaerobically use sugars to produce pyruvic acid from glycolysis, and eventually lactic acid OR lactic acid and carbon dioxide through fermentation pathways Purposed of the indole production test To test if the organism has...

UAMS Micro Lab Exam 1 questions with complete solutions

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...

Microbio Exam 2 Study Guide Key

LAB 1 What patterns do you observe based on the information in Table 4? - correct answers At first as the amount of oxygen increases, so does the amount of fish. When the oxygen reaches 14 parts per million, the number of fish observed decreases, but then begins increasing again. LAB 1 Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water. - correct answers If more oxygen is added to a body of wa...

simple stain - ANSWER-Single stain for cell morphology, arrangement, and internal storage materials Composed of _ water and _ cell material - ANSWER-80%,20% smear prep - ANSWER-Common mistake of too much bacteria Grams staining - ANSWER-Hans Christian Gram differential stain - ANSWER-stains one kind of cell but not another gram positive - ANSWER-Purple gram negative - ANSWER-pink crystal violet - ANSWER-primary stain gram iodine - ANSWER-mordant Ethanol - ANSWER-decolorizer Safranin -...

UTA Micro Lab Practical One Review (Quizzes) Latest Update Graded A+ If you are using the 40x objective and have a 10x eyepiece, what is your total magnification? 400x __________ is the ability to see or distinguish detail or the clarity of the image. Resolution What can be done to increase the contrast of a specimen to bright background of a light microscope? You could stain the specimen. Based off of your lab activities, what is this image of? bacterial capsule When using a p...

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...