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Where does Taq polymerase come from?
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- Bacterium A Bacterium B Bacterium C Bacterium D A Phylogenic Tree is a way to show the relationships between species, the way a family tree shows relationships between people. We use similarties and differences between organisms to determine their relationships by placing them within the tree. Instructions (1) Pick an unknown bacterium from the top of this sheet, and beginning at the top of the tree use the prompt at each junction to decide which branch to move down. (2) Once at the bottom, the bacterium has been identified within the C phylogeny. Yes (3) Repeat with the remaining bacteria to determine how they're related! CILIA? No Yes ADD BACTERIA HERE ADD BACTERIA HERE ADD BACTERIA HERE GREEN? No Outside ADD BACTERIA HERE Bacterium E CHERIE START BACTERIA HERE! SHAPE? Round PROTEIN? No Yes Inside BLUE? Yes Bacterium F ADD BACTERIA HERE www. Rod CILIA? No ADD BACTERIA HERE www Bacterium G E SHAPE Yes Round ADD BACTERIA HERE Bacterium H Rod CHLOROPLASTS? CILIA? FLAGELLA? No No Yes Yes…Match the bacterial adaptation to its function. Fimbrae Flagella/Archaellum Capsule Pili Endospore Additional layer of protection Allows bacterial cultures to redevelop when less harsh conditions are found DNA Transfer Swimming and movement Many functions, allows bacteria to stick to surfaces & eachotherNumber of Bacteria X Temperature (°C) At the After 1 After 2 After 3 beginning day days days 6. 8. 12 15 48 187 15 27 126 678 (a) What is the relationship between the temperature and the rate at which the Bacteria X reproduces? (b) When the number of Bacteria X increases, it causes food to turn bad and cannot be eaten. Based on the results above, what can Rose do to preserve food for a longer period of time? Explain your answer.
- Which of the following is NOT a reason for the high levels of bacterial genetic diversity? mutation rapid reproduction genetic recombnation vertical gene transferWhat do you know about the ecology of the first cells that might suggest that we should look for similar cells among the bacteria and archaeans that currently live in extreme environments (such as salt mines, hydrothermal vents, deep in caves, etc.)?Which of the following does NOT describe a mechanism of antibiotic resistance among bacteria? enzymes to hydrolyze or chemically alter the antibiotics mutations in target molecules so that antibiotics can no longer bind efflux pumps cell wall diffusion barrier, e.g. Gram-negative outer membrane, Acid Fast cell wall of Mycobacterium O increased synthesis of porins to increase antibiotic diffusion across membranes
- A) A bacterium that has an F plasmid is able to do which of the following? Group of answer choices resist antibiotics survive in very harsh environments such as hypersaline lakes grow a cell wall form conjugation tubes and pass on their DNA to other bacteria reproduce sexually B) horizontal gene transfer refers to bacteria's ability to Group of answer choices make peptidoglycan for their cell walls transfer DNA to offspring, or "daughter" cells transfer DNA only when on horizontal surfaces, such as a table top transfer pieces of DNA to other cells in the population engage in mutualisms with certain speciesA mutation that prevents a bacterium from making any ATP will be detrimental in all environments. True False MacBook Air DII DD 吕0 F9 F8 F7 F5 F6 F3 F4 & $ 7 4 Y RThe Archaea is similar to the Eukarya in the following characteristic except? initiator 1RNA (protein synthesis) O 16S FRNA nucleotide sequence sensitivity to antibiotics types of RNA polymerase The Archaea differ from the Eubacteria in the following characteristic except: * O initiator tRNA (protein synthesis) origin of DNA replication sensitivity to antibiotics types of RNA polymerase
- Fill in the blank spacesconsider the following terms: Envelope Fusion Gene therapy Pathogen Vaccine Capsule Decomposer Epidemic Mold Spore Yeast Choose 2 terms from the list and answer the following questions for each term: What familiarity and prior knowledge do you have about the term? What does the term mean in everyday language to everyday people? Use examples to help describe your thoughts. How do people use the word? What does the term mean in technical language to biologists? How is the term related to the course student learning outcome: Describe classifications of biological diversity? What are the similarities and differences between the everyday and technical meanings and uses of the term? What impact might the similarities and differences have on your learning of biology concepts in this course?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.
