The study of genomes of a particular community is called. Which of the following is not true of the light-dependent reactions of photosynthesis? Enzymes that are always present, regardless of the amount of substrate, are, uses 2 ATP, produces 4 ATP, does not require oxygen. Learn vocabulary, terms, and more with flashcards, games, and other study tools. All of the following are phenols or phenolics except, The easiest microbial forms to kill or inhibit are, denature proteins when in a 50-95% solution, The sterilizing gas used in a special chamber is, The chemical agent(s) that produces highly reactive hydroxyl-free radicals and also decompose to O2 gas is/are. decrease in most normal flora with overgrowth of an unaffected species. can be engineered to become factories for manufacturing proteins. E. All of the choices are correct Bacterial cells could have any of the following appendages except _____. Sources of heat stable DNA polymerases. Cloudflare Ray ID: 5e280c6b0bbf2f49 Primers are used in PCR technology. Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella _____. one phosphate, one nitrogenous base, and one sugar. A prokaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is _____. The size of a eukaryotic cell ribosome is _____. The four classic signs and symptoms of inflammation include all of the following, except, All of the following are events of early inflammation, except, macrophages appear first and begin phagocytosis, Complement proteins only appear in the blood during a response to a pathogen. Humans share how much DNA similarity with mice? Amination is the addition of a(n) _____ group to a carbon skeleton. A frameshift is caused by _____ mutations. Which PCR step causes the denaturation of double stranded DNA ? Add DNA polymerase and nucleotides at 72° C, Thermococcus litoralis and Thermus aquaticus are thermophilic bacteria that are, B. Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes? Recombinant plants and animals altered by additional genes from other organisms. Explain what it means to be an obligate intracellular parasite. shingles, chickenpox, and genital herpes. Sterols in the membrane allow for the fluid mosaic model. What is the final electron acceptor during aerobic respiration? Reactions involving electron removal are called _____ reactions. This is because, mammalian hosts do not meet their environmental requirements. The duplication of a cell's DNA is called. What is the clinical significance of gram positive vs gram negative? The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall is _____. D. commonly include mice. There are fewer antifungal, antiprotozoan, and antihelminth drugs compared to antibacterial drugs because these organisms, are so similar to human cells that selective drug toxicity is difficult to achieve, An antiviral that is a guanine analog would have an antiviral mode of action that. Specificity and memory are associated with which body defense mechanism? Discuss 5 specific contributing factors in the occurrence of health-care-associated infections, and then discuss 3 actions that can help decrease their rate at health-care facilities. Which body region is protected by fatty acids, acidic pH, lactid acid, and a tough cell barrier with its own normal flora? Explain what features of endospores makes them so resistant to microbial control, and what sterilizing techniques could destroy them. The process of using a cleaning technique to mechanically remove and reduce microorganisms and debris to safe levels is. The process in which organisms integrate catabolic and anabolic pathways to improve cell efficiency is called. Which of the following contain all the requirements for PCR? 203 212 25. DNA is in the nucleus, it gets converted into RNA, base pairs are changed because the protein that makes amino acid can only use RNA. Dna Biology Medicine. Performance & security by Cloudflare, Please complete the security check to access. Find evidence of a particular microbe in every case of a disease. A microorganism has been described to you as living in hot acidic habitats in the waste piles of coal mines that regularly sustain a pH of 1 and a temp of nearly 60°C. Transgenic chickens are now able to synthesize human proteins in the "white" of their eggs. According to FDA regulations, Food manufacturing companies do not have to label GM food. Target DNA removed from cells and isolated, B. Cloning host treated with calcium chloride and receives plasmid. a fetus acquiring maternal IgG to the chickenpox virus across the placenta. Transgenic animals are animals (most commonly mice) that have had a foreign gene deliberately inserted into their genome. -Prokaryotic cells are unicellular organisms, with no membrane bound organelles, but contain a nucleus (with genetic material), and ribosomes. Which is preferred? Which portal of entry is the most commonly used by pathogens? Which of the following techniques is mismatched with its use in DNA fingerprinting? Some history of transgenic animals: Refashioning animals by selective breeding: The ____ ____ is an example that through years of breeding, has become very different from its ancestor the gray wolf. A clinical microbiologist makes serial dilutions of several antimicrobics in broth, and then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. In recombinant DNA technique, what enzyme is needed to seal the sticky ends of genes into plasmids or chromosomes? Lipids are also a source of energy for the cell. Each NADH that enters the electron transport system gives rise to _____ ATP. Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle? 597 736 114. Which PCR step synthesizes complimentary DNA strands? -Microbicidal targets some microbes (preferred). Which process involves antibodies cross-linking cells or particles into large aggregates? Identify 5. 276 315 38. -The humoral response involves B cells that recognize antigens or pathogens that are circulating in the lymph or blood. Which of the following is not associated with every virus? What type of DNA map gives locations and sizes of DNA sections? -Nosocomial infections are acquired in a hospital directly or indirectly from fomites, surgical procedures, medical equipment, other patients, medical personnel, and exposure to drug-resistant microorganisms. The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is, The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the. These animals should eventually prove to be valuable sources of proteins for human therapy. Dna Biology Science. Why does the body have both humoral and cell-mediated immune responses? Which structures are found along lymphatic vessels but are heavily clustered in the armpit, groin, and neck? The human body typically begins to be colonized by its normal flora, The body site with resident flora that produces beneficial body products, including vitamin K and several other vitamins is the, Virulence factors include all the following, except, STORCH is an acronym that represents the most common, The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is, The time from when pathogen first enters the body and begins to multiply until symptoms first appear is the, The initial, brief period of early, general symptoms such as fatigue and muscle aches, is the, The subjective evidence of disease sensed by the patient is termed, Local edema, swollen lymph nodes, fever, soreness, and abscesses are indications of, The study of frequency and distribution of a disease in a defined population is, The principal government agency responsible for tracking infectious diseases in the United States is the, Centers for Disease Control and Prevention, The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the, The primary, natural habitat of a pathogen where it continues to exist is called the, Someone who inconspicuously harbors a pathogen and spreads it to others is a, An animal, such as an arthropod, that transmits a pathogen from one host to another is a, An inanimate object that harbors and transmits a pathogen is a. Transgenic animals A. can be engineered to become factories for manufacturing proteins. The most immediate result of destruction of a cell's ribosomes would be ____. 1. Which of the following is an example of vertical transmission? Which location would best support the growth of a halophile? D. Uses electrophoresis to separate the DNA, The function of the dideoxy (dd) nucleotides that are used in the Sanger method of DNA sequencing is to, D. Incorporate into newly replicated DNA strands and stop elongation, Dideoxynucleotides are used in DNA sequencing because. Primers are: Common vectors are used to transfer a piece of DNA into a cloning host are. In which pathway is the most NADH generated? Cells Human Medical. Which process involves antibodies covering surface receptors on a virus or toxin molecule thereby disrupting their activity? Of the following choices, which could be used in the treatment of a patient in order to determine their cancer subtype? The site/s for most ATP synthesis in prokaryotic cells is/are the _____.

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