CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Chapter 27, Problem 10TYU
SYNTHESIZE YOUR KNOWLEDGE
Explain how the small size and rapid reproduction rate of bacteria (such as the population shown here on the tip of a pin) contribute to their large
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Consider two species of bacteria A and B with the same initial population. The species grow exponentially with growth rate
rA = 0.05 for species A and rg =
-0.025 for species B. Will the two species of bacteria ever have the same size?
Type your answer here
(Enter YES or NO)
The time at which they reach the same size is t =
Type your answer here
(Enter -1000 if their size is never equal)
In a minimum of 5 sentences,explain "Biodivesity starts in the distant past and it points toward the future".
How well do you think bioremediation achieves the goal of cleaning up pollution?
Your claim should be well explained and backed up with logical reasoning and facts.
Support you answer with evidence about the success of genetic technology in
manipulating bacterial characteristics, and historical facts about oil spill clean-ups in
other parts of the world using the bioremediation process.
Chapter 27 Solutions
CUSTOM BIOLOGY
Ch. 27.1 - Describe two adaptations that enable prokaryotes...Ch. 27.1 - Contrast the cellular and DNA structures of...Ch. 27.1 - Prob. 3CCCh. 27.2 - Although rare on a per gene basis, new mutations...Ch. 27.2 - Distinguish between the three mechanisms by which...Ch. 27.2 - In a rapidly changing environment, which bacterial...Ch. 27.3 - Distinguish between the four major modes of...Ch. 27.3 - A bacterium requires only the amino acid...Ch. 27.3 - WHAT IF? Describe what you might eat for a...Ch. 27.4 - Explain how molecular systematics and metagenomics...
Ch. 27.4 - Prob. 2CCCh. 27.5 - Explain how prokaryotes, though small, can be...Ch. 27.5 - MAKE CONNECTIONS Review Figure 10.6. Then...Ch. 27.6 - Identify at least two ways that prokaryotes have...Ch. 27.6 - Prob. 2CCCh. 27.6 - Prob. 3CCCh. 27 - Describe features of prokaryotes that enable them...Ch. 27 - Mutations are rare and prokaryotes reproduce...Ch. 27 - Describe the range of prokaryotic metabolic...Ch. 27 - How have molecular data informed prokaryotic...Ch. 27 - In what ways are prokaryotes key to the survivaI...Ch. 27 - Prob. 27.6CRCh. 27 - Genetic variation in bacterial populations cannot...Ch. 27 - Photoautotrophs use (A) light as an energy source...Ch. 27 - Which of the following statements is not true? (A)...Ch. 27 - Prob. 4TYUCh. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 27 - WRITE ABOUT A THEME: ENERGY In a short essay...Ch. 27 - SYNTHESIZE YOUR KNOWLEDGE Explain how the small...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The following graph shows the trends in bacteria and viruses after they infect an organism. Part A: Explain how reproductive differences between these two pathogens attribute to the differences shown in the graph. Identify whether viruses are organisms and describe how this graph supports your claim. Part B: Most antibiotics target the cell wall of a pathogen. Use the graph to explain why antibiotics can be ineffective against some pathogens.arrow_forwardMicrobiomes can be characterized using a number of molecular biology approaches. Which approach would provide a better functional description of a community: metagenomic or metatranscriptomic sequencing? Briefly explain your reasoning.arrow_forward. This flowchart helps distinguish among organisms by asking questions that have one of two possible answers. As a result, this flowchart can also be called a dichotomous key (from Greek dikho- 'in two' + temnein 'to cut'). Complete the flowchart by properly placing these genera: Bacillus, Corynebacterium, Escherichia, Mycobacterium, Neisseria, and Staphylococcus. You may need to look up additional information about these genera. Gram reaction Rod-shaped Negative Coccus-shaped Rod-shaped Positive Coccus-shaped Acid-fast Not acid-fast Spore-former No sporesarrow_forward
- How well do you think bioremediation achieves the goal of cleaning up pollution?Support you answer with evidence about the success of genetic technology in manipulating bacterial characteristics, and historical facts about.arrow_forwardConsider the fact that the use of 16S rRNA sequencing as a taxonomic and phylogenetic tool has resulted in tripling the number of bacterial phyla. Why has the advent of this genetic technique expanded the currently accepted number of microbial phyla?arrow_forwardconsider 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?arrow_forward
- Describe the relationship between the original bacteria kingdom called monera and the domain called bacteria.arrow_forwardIn studying Lokiarchaeota, researchers identified eukaryotic signature genes and used this information to better understand the relationship between archaeans and eukaryotes. Many other types of genetic analysis can be used that focus on certain types of genes. One example of this is multilocus sequence typing (MLST), which focuses on examining genes called housekeeping genes. Microbes encode both housekeeping and pathogenic genes in their genome. Drag the examples of genes to the correct bins to indicate whether they are housekeeping genes, pathogenic genes, or eukaryotic signature genes. Place the phrase describing a gene product in the correct bin. ► View Available Hint(s) peptidoglycan synthesis genes Housekeeping genes membrane remodeling genes cytoskeletal genes membrane lipid genes Pathogenic genes endotoxin genes Reset ribosomal genes exotoxin genes Eukaryotic signature genes Helparrow_forwardGive correct typing answerarrow_forward
- Bacteria are by far the most numerous organisms on earth. Some estimates indicate that the total biomass of bacteria is larger than that of all plants and animals, despite their tiny size. However, biologists' knowledge of bacteria is very uneven. In some ways, biologists know more about certain bacteria than we do about most animals, including humans. In other ways, biologists still know very little about bacteria and the Bacteria Kingdom. For example, there might be about a million species of bacteria, or there could be billions of different species. Think about benefits and complications related to the biological study and knowledge of bacteria. What are some ways in which bacteria are very well-known and/or easy to study? What are some ways in which bacteria are very poorly-known and/or difficult to study (other than the total number of species). Discuss how this relates to technology, other developments in biological research, and/or characteristics of the bacteria…arrow_forwardThe white lines drawn indicate different lineages of bacteria throughout the experiment. The black arrows on the y-axis indicate three horizontal regions of increasing antibiotic concentration — low, medium, and high. Describe what the different groups of colored circles represent in the image to the right and explain how they differ. What has occurred to make them different? Recall that “fitness” in evolution refers to the number of offspring that survive to reproduce in a particular environment. Which group of bacteria, light brown (A) or light blue (B), has the higher fitness as depicted in this image? Explain your selection.arrow_forwardQuorum sensing is one of the coolest things we've learned about this semester, because it is one way that bacterial cells can actually communicate with each other. Which are true about Quorum Sensing? (Choose all that apply.) Group of answer choices Quorum sensing depends on the sensing of signal protein molecules. Quorum sensing is a synonym for biofilms. Quorum sensing allows bacteria to monitor their own population density. Quorum sensing is present almost exclusively in non-pathogenic bacteria and does not contribute to virulence.arrow_forward
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