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Briefly describe how DNA is able to be visualized by UV light. Use words like direct absorbance of DNA)
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- What type of DNA damage results from UV radiation? Name two pathways a cell might use to repair UV damage to DNA.Fluorescence intensities depends on the molecular structure and its environment. Discuss the factors that can affect the fluorescence intensity and explain how the factors increase or decrease the intensity.Describe and diagram the DNA damage done by UV radiation on a single strand of DNA. Describe in at least 1 sentence.
- Complete table in photo then answer these Nucleic acids involved in protein synthesis include DNA sense strand DNA anti-sense strand mRNA tRNA Which nucleic acids have the same nucleotide sequence (except T in DNA and U in RNA)? Which nucleic acids are complementary (A with T/U and G with C) to each other?In your own understanding, answer the following: (No copy paste) Differentiate plane and section?A concept map for staining technique.
- Explain how X rays and UV light damage DNA.Write down the name of major product formed due to absorption of photon in DNA and its consequence.Copy and paste the link below and watch the video on Youtube https://www.youtube.com/watch?v=8RBs0Ghg_48 Answer the following Questions: 1. What are the chemicals and materials used in gel electrophoresis? 2. Draw a schematic diagram of a gel electrophoresis set-up 3. Describe the procedure in doing a gel electrophoresis experiment. Why is there a need for a leveling bubble/leveler? What is the use of the rubber dam? 4. What is the use of ethidium bromide and why must you wear gloves when you handle it? 5. What makes the DNA fragment move towards the positive plate? 6. What is the purpose of glycerol in the sample buffer? 7. What is the use of a DNA ladder? 8. What will happen when you increase the voltage of the set-up? 9. Can gel electrophoresis be used to separate amino acids? If so, how is it done?
- What technique was used to photograph DNA in franklins famous photo #51? A- gamma ray photography B- atomic force microscopy C- electron microscopy D- x-Ray crystallographyWhich technique used to manipulate genetic material results in a significant increase in DNA or RNA fragments? Group of answer choices heat shock treatment electroporation gel electrophoresis polymerase chain reactionIn histopathology, why do different stains have different affinities for different organisms or different parts of organisms? Explain and include the Hematoxylin and Eosin staining as an example to further understand. Please answer the question concisely and don't just simply give the meaning of Hematoxylin and Eosin staining.