plz answer all the questions plz and also state the aim for this lab .. thank u 2:43Can't upload - Your online storage is full.Image 2: showing Petri dish with bacteria from mouthImage 3: showing Petri dish with bacteria from hairImage 4: showing Petri dish with bacteria from feetTable (GraphsDiscussionJustify the results gained, including differences in diversity and richnessConclusion:IIII - Saving...BIU|||A EO00500rTAT 2:43Can't upload - Your online storage is full.Interactions between microbes and the human bodyAim:Materials:• Agar plateSterile cotton swabs• Flame, Matches. Ethanol .Tape MarkerMethod1. Clean work station using ethanol2. Divide your agar plate into 4 equal parts and label them, mouth, hand, feet, hair3. Using ONE INDIVIDUAL and separate sterile cotton swabs, swab the inside of the mouth and make streaks in the respective section.4. Repeat these steps for hand, feet and hair5. Tape plate shut and place in incubator.6. After three days, record the number of colonies and the diversity of colonies among the 4 parts8. Create 2 bar graphs, one for abundance and the other for richness.ResultsImage: showing Petri dish with bacteria from mouth005001A2 A E = =OBI U 2IU|||r

Microorganisms are widely distributed and can be found in almost all types of environments. Most…

2:43 Can't upload - Your online storage is full. Image 2: showing Petri dish with bacteria from mouth Image 3: showing Petri dish with bacteria from hair Image 4: showing Petri dish with bacteria from feet III -Saving... Table ( Graphs Discussion Justify the results gained, including differences in diversity and richness Conclusion: B I U ||| A = OC 500 = = r

2:43 Can't upload - Your online storage is full. Image 2: showing Petri dish with bacteria from mouth Image 3: showing Petri dish with bacteria from hair Image 4: showing Petri dish with bacteria from feet III -Saving... Table ( Graphs Discussion Justify the results gained, including differences in diversity and richness Conclusion: B I U ||| A = OC 500 = = r

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter13: Diversity Of Microbes, Fungi, And Protists

Section: Chapter Questions

Problem 1ACQ: Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell...

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Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell wall formed from peptidoglycan. b. Gram-positive bacteria have an outer membrane. c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin. d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.
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Question:- Define the bacterial categories that each type of bacteria belongs to. You only have to name the categoriesNOT the actual species of bacteria Note: there will be more than one category . A bacterial species that grows best at 37 degrees Cand when a small amount of oxygen is present
Helping tags: Biology, microbiology . . . WILL UPVOTE, just pls help me answer the questions correctly and explain them clearly. Thanks.
Samples: - 1 & 5: Standard proteins (Ladder) - 2 &6: Uncut - 3 & 7: 5 mins - 4 & 8: 30 mins Human and Bovine (Left) Chicken and Pigeon (Right) What do you expect in the lane for #1 tubes? Explain the reason for your expectation. Do the results match the expectations? Do you observe differences in the lanes for tubes 2 and 3? What does that tell you? Are there differences among the species? What does that tell you about how closely related the proteins are from these species? Do the results match the prediction and support the hypothesis? How would your results have been different if an enzyme with a different amino acid sequence preference had been used?
12. A student makes a smear by applying a bacteria onto the slide. A simple stain is performed, but when the student looks under the microscope, no organisms are seen. What did the student do wrong when making the smear?
Helping tags; biology, food, scientists What topic may have been developed to address food safety issues in the Philippines if the following pairings had the opportunity to collaborate? Choose one pair only. Louis Pasteur, Watson and Crick Anton Van Leeuwenhoek and Alexander Fleming Nicolas Appert and Julius Richard Petri Hans Christian Gram and Robert Koch Joseph Lister and Peter Durand ** WILL UPVOTE, just pls help me answer the question. Thank
6a. A sample is given to you that contains 6 million cells per ml. You must make a series of serial dilutions in order to get a countable number on a plate to prove that there are indeed 6 million cells per ml. The plate that you eventually put a sample of bacteria on must have between 10 and 100 colonies for ease of counting. What dilutions do you make to get this many colonies on a plate? How many colonies do you have on that plate? Show what dilutions you make (Write exactly how much liquid you move into each test tube and how much liquid was in the test tube, ex. Move 1 ml of culture into 9 ml of water – 10x dilution). Don’t forget to tell me how much liquid you eventually put on your plate. (If you want to draw something out, you could draw then take a picture of it with your phone and submit the image along with the worksheet). 6b. Do the same problem as in 6a, but now you have to do it in 3 test tubes or less. What dilutions do you do now? please use drawings to help…
Question -Esther is completing her PhD project in bacterial distribution in mangroves and theirbiochemical characteristics. She manages to isolate and identify around 80 differentbacterial species from the various mangrove sites. She preserves the isolates by growingthem on a tryptic soy agar supplemented with sea salt and re-streaks them every week. After8 months she notices that some of the isolates have changed their genetic sequence whencompared to the initially identified sequence. Using a diagram explain what could havehappened to the isolates when she re-streaked them repeatedly and recommend a solutionto prevent this from occurring in the future and give explanation why it is moreadvantageous.
[itemC1] (refer to the photo below) Which of the 2 types of bacteria will soon die? Why?
13. A student makes a smear by applying a LARGE amount of bacteria onto the slide. A simple stain is performed, but when the student looks under the microscope, individual organisms can’t be distinguished. What did the student do wrong when making the smear?
Copy and paste the link below and watch the video in Youtube and Answer the Questionshttps://www.youtube.com/watch?v=8RBs0Ghg_48 Gel electrophoresis Questions 1. What are the chemicals and materials used in gel electrophoresis? 2. Draw a schematic diagram of a gel electrophoresis set-up3. 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?