Bio lab practical exam. Praxis Biology: Biology Lab Techniques 2019-01-21

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Lab Practical

bio lab practical exam

. Give the gram stain, shape, and arrangement of this organism. In other words, what are the 5 things that can cause evolution to occur?? Choose the statement that best describes the experimental results. Fibrous connective tissue root sheath 9. Definition water potential decreases Term Hemolysis Definition when the cells burst from having too much diffused into them when the solution becomes clear Term As molecular weight increases.

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Biology Lab Practical Exam 1 Flashcards

bio lab practical exam

Part of the pushed out cell body 6. How are protozoa categorized into the 4 major groups? Exam Instructions: Choose your answers to the questions and click 'Next' to see the next set of questions. Given this information, which of the following statements are true? What are these holes called? Which organism is + on this methylene blue lipid agar plate? If provided the genotype, be able to describe the phenotype. Examine the following diagram of an agarose gel electrophoresis setup. Click it to see your results. What do you call these filaments found in fungi? Note: Browser Pop-up Blockers must be turn off to view these slides.

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Interactive Quizzes

bio lab practical exam

Consider the following transformation results. What is this technique---streak plate, spread plate, or pour plate? The gel was not stained with ethidium bromide. The plasmid is inserted into a bacterial cell, so more plasmid can be produced. The following image represents the agarose gel electrophoresis results from a restriction digest experiment. Which of the following experiments uses a selectable marker? Name a bacterial genus for which this test is important. Identity the citrate reaction---+ or -.

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Biology Lab Practical #1 Flashcards

bio lab practical exam

What is the stain procedure that malachite green is used for? Bone Tissue and Axial Skelton: Bone Model without labels:. A scientist believes she has discovered a new nucleic acid dye that is visible to the naked eye. Definition permeability decreases Term As solute concentration increases. Name the labeled structure on the microscope, and its function. Internal epithelial root sheath 8e. With no blank in the holder turn the left knob to 0% transmittance, 100% absorption 2.

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Lab Practical

bio lab practical exam

Which organism is the organism motile--left, right, or both? When you have completed the practice exam, a green submit button will appear. Skin Model without labels: Skin Model Key: I. A fruit fly experiment in which a lethal gene kills all progeny except those of the desired genetic makeup. This worm is a----hookworm, tapeworm, fluke, filarial worm, pinworm? A scientist believes she has discovered a new nucleic acid dye that is visible to the naked eye. Be able to work simple single trait problems regarding these autosomal characteristics. The formula and Chi-Square table would be provided, but you must know how to use the formula and table.

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Biology Lab Practical Exam 1 Flashcards

bio lab practical exam

Work this dilution problem, solving for the number of bacteria per ml. Is this organism + for acid production in the methyl red test? Which of the following statements is true? What is the reagent used? The following three bands were generated by digesting a gene with a single restriction enzyme. These online resources can assist you in preparing for your lab quizzes and practical exams. Is the organism + or - for ornithine decarboxylase? And, lane 3 represents the product of the restriction digest. At the end of a bacterial transformation, the scientist observes the following results: no bacterial growth on any plate regardless of the transformation state of the bacteria plated. What is the total magnification if you were viewing a specimen using this objective lens? External or outer epithelial root sheath 8f.


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Anatomy Open Lab

bio lab practical exam

Then, he briefly heat shocks the mixture at forty-two degrees Celsius. A 600-base pair fragment is labeled blue, a 1-kilobase fragment is labeled green, and a 100-base pair fragment is labeled red. Which of the following are examples of genetically modified organisms? Name the dye used to color the spores. Consider the following restriction enzymes and restriction sites. Definition a lower charge because less hydrogen ions stick less H+ concentration Term Permeable Definition ability of a molecule to pass through a cell's membrane Term Impermeable Definition if a molecule cannot pass through a cell's membrane Term Dependent Variable in Cell Membrane Permeability Lab Definition permeability Term Independent Variable in Cell Membrane Permeability Lab Definition size, charge, lipid solubility Term H50 Hemolysis 50 Definition time required to reach one half the maximum value indicated by the plot Term Turbid Definition mixture is cloudy Term Spectrometer Instructions on how to calibrate Definition 1.

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Microbiology Lab Practicals

bio lab practical exam

Good streak plate or bad streak technique? After the recommended recovery time, he plates the cells on kanamycin plates. What does this nitrate test mean? Which of the following statements about ethidium bromide are true? Since its founding in 1974 as State Technical Institute at Knoxville, the College has expanded the teaching of technology, the use of technology in instruction, and the transfer of technology to local business and industry in support of regional economic development. He wishes to assay the effectiveness of the drug at lower concentrations. At the end of a bacterial transformation, the scientist observes the following results: a lawn on both the antibiotic and non-antibiotic plates regardless of the transformation state of the bacteria plated. Click on any of the slides listed above on the tissue slide box image to view. Which of the following statements explains the results? However, your particular lab instructor may have emphasized material that is not on this study guide.


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Biology 2401: Lab PowerPoints

bio lab practical exam

Pellissippi State is a vital institution accustomed to transformation and growth. Give the gram reaction and shape of the bacterium. What is the name of the organism doing it? Was your population large over 20 individual or small less than 20 individuals. Is this organism + or - for caseinase? What is the difference between a deoxyribonucleotide and a dideoxyribonucleotide? Ho do expression vectors differ from other vectors? Measures absorbance of light, directly related to cell density. Try to answer these questions without help from notes or books. When you have completed the practice exam, a green submit button will appear.

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