imagine you discover a new species of bacteria that derives energy from sunlight but requires carbon...
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imagine you discover a new species of bacteria that derives
energy from sunlight but requires carbon...
1) A researcher discovers a new species of bacteria that obtains its energy from other organisms...
1) A researcher discovers a new species of bacteria that obtains its energy from other organisms and its carbon from the atmosphere. This species can be categorized based upon its mode of nutrition as a: chemoheterotroph, photoautrotroph, photoheterotroph, or chemoautotroph? 2) A colony of antibiotic-resistant bacteria is mixed with a colony of antibiotic-sensitive bacteria. After a few days grown in the presence of antibiotics, all of the bacteria are resistant to the antibiotic. Which of these is most likely to...
1) Many species of bacteria are able to ferment sugars. This process: a. involves the reduction...
1) Many species of bacteria are able to ferment sugars. This process: a. involves the reduction of organic compounds, which serve as terminal electron acceptors b. involves the oxidation of NADH to NAD+ c. requires a fully functional electron transport chain so that a proton gradient can be generated to drive the synthesis of ATP d. answers (a) and (b) are both correct e. answers (a), (b), and (c) are all correct 2) Which of the following statements are true...
If a bacterium obtain its energy and carbon from organic molecules how would you classify it?...
If a bacterium obtain its energy and carbon from organic molecules how would you classify it? Bacteria that cause the disease anthrax, bacillus anthracis, can survive for extremely long periods of time in harsh conditions because they possess a protective structure called a ? The produce known as the ______ highlights differences in the cell walls of bacteria. A[n] _______ is the most common genetic source of antibiotic resistance in bacteria A[n] ________ (type of bacteria) can use oxygen, but...
Imagine that you have discovered a prokaryote growing on some leftovers in your kitchen. You analyze...
Imagine that you have discovered a prokaryote growing on some leftovers in your kitchen. You analyze the structure of its cell wall with an electron microscope and discover that the cell wall is very thick and has a meshlike structure. To which domain does the organism most likely belong? a) Bacteria b) Archea c) Eukarya explain your answer. ;)
You have isolated a new species of bacterium, Mustget caffeinum, from a compost heap that was...
You have isolated a new species of bacterium, Mustget caffeinum, from a compost heap that was heavily enriched with coffee grinds. You discover that it can grow using caffeine as its only carbon source but seems to grow better on other carbon sources, You decide to compare its growth rate in defined minimal media (MM) supplemented with either sucrose or caffeine as the sole carbon source. You inoculated M, caffeinum into both MM-caffeine and MM-sucrose at 8 AM. Because this...
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild...
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild type strain of this bacteria can synthesize its own alanine (alat) and its own tryptophan trp' ), both of which are essential amino acids. A mutant strain of the same bacterium cannot synthesize either of those two amino acids (ala trp'). You are interested in the degree of linkage between the ala and the trp genes in this new bacterial species. Fortunately, this species...
Imagine you are a paleontologist and you found a plant fossil of a brand new species!...
Imagine you are a paleontologist and you found a plant fossil of a brand new species! What traits would this species exhibit for you to classify it as a bryophyte vs a fern vs a gymnosperm? Describe this hypothetical species's traits and your classification.
- Describe a circumstance (e.g. in its’ natural environment) where Staphylococcus species bacteria might benefit from...
- Describe a circumstance (e.g. in its’ natural environment) where Staphylococcus species bacteria might benefit from being salt tolerant. - How might the ability to perform hemolysis benefit a hemolytic organism in its’ natural environment? - Imagine that you have a culture containing a single bacterial species. This culture may be one of several possible species. Describe a scenario where you use Mannitol Salt agar, Blood Agar, and EMB plates to identify the unknown bacterial species. That is, how would...
(a)You isolate a new pathogenic bacteria, from the sputum of a human patient, which you hypothesize...
(a)You isolate a new pathogenic bacteria, from the sputum of a human patient, which you hypothesize was the cause of a severe respiratory infection. How could you use Koch’s postulates to prove your hypothesis? Which postulate would not be satisfied if the organism was a human-only pathogen? (b)What steps would you take to obtain a pure culture of the bacteria? What staining methods would you use to visualize the sample if you knew that the bacteria had a flagella? (c)...
You discover a new plant species and you decide to conduct two mating experiments investigating mutant...
You discover a new plant species and you decide to conduct two mating experiments investigating mutant genes. The results from your experiment are outlined below. Which alleles are recessive? Parents F1 F2 1 Round x wrinkled All round seeds 5474 round; 1850 seeds wrinkled 2 Yellow x green All yellow seeds 6022 yellow, 2001 seeds green Select one around and wrinkled b.round and yellow winded and green dround and green inkled and yellow
You have isolated a new species of bacterium, Mustget caffeinum, from a compost heap that was heavily enriched with coffee grinds. You discover that it can grow using caffeine as its only carbon source but seems to grow better on other carbon sources, You decide to compare its growth rate in defined minimal media (MM) supplemented with either sucrose or caffeine as the sole carbon source. You inoculated M, caffeinum into both MM-caffeine and MM-sucrose at 8 AM. Because this...
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild type strain of this bacteria can synthesize its own alanine (alat) and its own tryptophan trp' ), both of which are essential amino acids. A mutant strain of the same bacterium cannot synthesize either of those two amino acids (ala trp'). You are interested in the degree of linkage between the ala and the trp genes in this new bacterial species. Fortunately, this species...
You discover a new plant species and you decide to conduct two mating experiments investigating mutant genes. The results from your experiment are outlined below. Which alleles are recessive? Parents F1 F2 1 Round x wrinkled All round seeds 5474 round; 1850 seeds wrinkled 2 Yellow x green All yellow seeds 6022 yellow, 2001 seeds green Select one around and wrinkled b.round and yellow winded and green dround and green inkled and yellow
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