Bacteria - Protein Virus Eukaryote Sugar Lipid a. Streptococcus pneumonia is a (an) b. E. coli is a (an) c. DNase is a (an) d. T2 Bacteriophage is a (an) A mouse is a (an) DNA Element Starch e. f. Saccharomyces is a(an) g. Transforming factor is a(an) h. Radioactive phosphorus is a(an) 1. Viral capsid material is a(an) j. S strain is a(an) Enzyme Fungi Protist and a(an) and a(an)
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- 1. In his transformation experiments, what did Griffith observe? a. Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form b. Mixing a heat-killed nonpathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic c. Mutant mice were resistant to bacterial infections. d. Infecting mice with nonpathogenic strains of bacteria makes them resistant to pathogenic strainsLO 64- Explain how Next gen sequencing is applied in different technologies In which of the following scenario would it be best to use Next-gen sequencing? (select all that apply) a-To separate fragments of DNA based on their size- b-To insert a mutation at random in a gene c-To idently a novel pathogen d-To determine the nucleotide sequence of a microbe e- To insert methyl groups to cytosines in a DNA sequence asap pleaseProvide a brief description behind your choice? Virus-mediated transfer of cellular genetic material from one bacterial cell to another by means of virus particles is called: (A) transduction (B) transposition (C) transformation (D) transfection One strand of double-stranded DNA is mutated, changing all cytosines to uracils. After one round of replication of the mutated DNA strand, the melting temperature of the resulting DNA will: (A) be higher (B) be lower (C) remain the same (D) be double The Southern blotting technique is used for: (A) the detection of RNA fragments onmembranes by specific radioactiveantibodies (B) the detection of DNA fragments onmembranes by a radioactive DNAprobe (C) the detection of proteins on membranesusing a radioactive DNA probe (D) the detection of DNA fragments onmembranes by specific radioactiveantibodies Superoxide dismutase is an important enzyme for maintenance of red blood cells and is defective insome neurodegenerative diseases. What…
- You don't need the internet to exchange "gene-mail" with your friends, you have your own way to share the latest genes for things like antibiotic resistance. a. What is the structure being described? b. What is the chemical composition of this structure? c. What is the function of the structure, and how does it benefit the bacteria? I'm not getting this riddle.Proteins are not suitable to the genetic molecules within cells because they? a) are large organic compounds b) are composed of building blocks called amino acids c) do not replicate themselves d) catalyze biochemical reactionsIf DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C? 27 percent 30 percent 23 percent 54 percent
- 1. In bacteria, Which of the following mechanisms is the least probable in promoting antibiotic resistance? A. receive a gene or genes that code for capsule production B. receive a gene or genes that code for a “multidrug resistant” bomb C. a chromosomal mutation that alters membrane permeability D. a chromosomal mutation that alters the shape of the drug receptor E. receiving a gene that codes for an enzyme that destroys a particular antibiotic 2. Why are Pseudomonas aeruginosa infections difficult to treat? A. Because they form biofilms, which are difficult for antibiotics to penetrate. B. Because they have a special endotoxin that degrades many antibiotics. C. Because we do not have any antibiotics that target P. aeruginosa. D. Because they are gram-positive bacteria, which are harder to treat. 3. Which of the following drugs is not used primarily to treat tuberculosis A. ethambutol B. rifampin C. isoniazid D. sulfonamideImagine that there is an E. coli outbreak in your area, and you would like to test the kangkong from your local grocery store. How could you modify this protocol to extract DNA from the kangkong (to identify the species) and check for presence or absence of E. coli.? Keep in mind that (i) E. coli is free-living and not an endosymbiont, and (ii) plant cells are encased in both a cell membrane and cell wall.Researchers are designing several experiments to test the ability of Salmonella bacteria to develop antibiotic resistance. A culture of Salmonella bacteria is exposed to the same concentrations (200 mg/L) of an antibiotic for four days. The table shows the number of isolated resistant bacteria over a four-day period. Which of the following statements best explains these results? A - The bacteria were not affected by the antibiotic. B - After being exposed to the antibiotic, the bacteria altered their DNA. C - A new species of bacteria emerged after the antibiotics were introduced. D - Random mutations led some bacteria to be resistant and, over time, they increased in the population.
- Finding drugs to treat viruses is far more challenging than finding drugs to treat bacteria. A. Why the difference? Ans: Viruses need a host cell to replicate and a bacteria needs food to continue to replicate. B. What can anti-viral drugs target in order to bring a viral infection under control, or to prevent a viral infection in the first place? Ans: To bring an infection under control you would want to inhibit protease so it could not break down the polypeptide protein chain down into new protein coats. C. What can anti-viral drugs target to prevent a viral infection in the first place? Ans: To prevent a viral infection in the first place you could take a medication that would alter the surface receptor, fill in the surface receptor or inhibits the viral surface protein all together. D. Offer 2 examples of drugs used to control viral infections (specify virus) and how do they work on different targets. Ans:…6. Nucleoside triphosphates a) are important in the building of nucleic acids b) always contain the 5-carbon sugar ribose c) can be important sources of cellular energy in metabolism d) a and c e) a, b, cii. Sound application of knowledge from molecular Biochemistry is helping HIV patients to lead longer fulfilling lives than previously. Based on what you know about enzymes and the Biochemistry of nucleic acid Biochemistry, briefly discuss how anti-retroviral treatments work