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A nurse is working in a unit with several less-experienced nurses. Which attribute displayed by the senior nurse would make her leadership of the less-experienced nurses most effective? - Answer Ability to inspire the others to commit to the team's goals. According to the behavioral view of leadership, how are leaders formed? - Answer By being educated With training Through life experiences. Behaviorists believe leaders are made, not born. The vice president for nursing service...

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Which group of organisms form the foundation of the carbon cycle as primary producers? A). Anaerobic chemolithotrophs B). Chemoheterotrophs C). Chemoorganotrophs D). Phototrophs - Answer D). Phototrophs A process where different microbial taxa work in cooperation to degrade a compound is called... A). Allotropy B). Commensalism C). Anabolism D). Syntrophy - Answer D). Syntrophy One important difference between the C, N, and S cycles and the P, Ca, and Si cycles is that... A)...

Antigen - Answer Any type of molecule that causes an immune response in a host by interacting with antigen-specific receptors on the membrane of host lymphocytes What is the strongest antigen - Answer proteins primary tissues - Answer They create and educate the immune response Bone marrow, Thymus gland and MALT Secondary immune tissues - Answer Look after mature cells that are an active part of the defense Spleen, lymphatic system, lymph nodes, MALT What tissues are p...

Microbes affect our health by helping in...? a. Nutrient and fluid uptake b. Tolerance to food allergens c. Protection against food pathogens d. All of the above - Answer d. all of the above 1. Where on the human body might you find methanogens, besides in the large intestines? A. On the skin B. in the mouth C. in the respiratory tract D. nowhere besides the large intestines - Answer B. in the mouth Overweight and obese individuals who lose weight often struggle with weig...

Cas proteins - Answer recognize and destroy foreign DNA The world's oxygen is generated by photosynthesis. More than half of this is performed by A. Cyanobacteria B. Protozoa C. Mushrooms D. Methanogens - Answer A. Cyanobacteria On land about _____ % of primary production in any environment is mineralized by fire, fungi, and bacteria. 95 80 50 25 - Answer 80 Molecular microbial ecology is essential to understand any environment because culturing microbes recover at b...

What are the parts of a plasmid? - Answer Circular double-stranded DNA --Ori—origin of replication --Amp—antibiotic resistance gene --Restriction enzyme sites Range in size from 2 kb to 1,000 kb Encode accessory functions that are not essential for survival under most conditions What is the difference between a plasmid and chromosome? - Answer Chromosomes: carries essential genes --Copy # varies · Haploid—one copy · Diploid—two copies · Polyploid—many copies -...

Metabolism - Answer Sum of all biochemical reactions that occur in a cell Cultured Based Methods - Answer Grow microbes in the lab and examine their physiological traits How do you grow microbes? - Answer Complex (Rich) Medium Enrichment Medium Selective Medium Single Cell Isolation Complex (Rich) Medium - Answer Fastest growing, best adapted to those conditions No Targeted Selection Many Microbes can grow Ex. yeast extract, beef heart etc. Best Adaptive organ...

Microbiology - Answer the study of the microbial world microorganism/microbe - Answer small living organism that is not visible to the naked eye what % are microorganism in respect to other living organisms - Answer 90% all animals are... - Answer hosts to symbiotic relationships how many bacterial cells are associated with our body, and what % belongs to the GI tract - Answer 100 trillion, 95% how much weight is contributed by bacteria in the body? - Answer 2-6 ...

Which of the following are NOT found within the photosynthetic gene cluster of Rhodobacter (a purple phototrophic bacterium)? A). Genes ecoding reaction center and light-harvesting antenna pigments. B). Genes encoding proteins involved in phycobiliprotein biosynthesis. C). Genes encoding proteins involved bacteriochorophyll biosynthesis. D). Genes encoding proteins involved in carotenoid biosynthesis. - Answer B). Genes encoding proteins involved in phycobiliprotein biosynthesis. Anamm...

The designations Phe-, Leu-, and SER+ refer to an organisms... A). Phylotype B). Genotype C). Phenotype D). Mutation Type - Answer C). Phenotype Integration fo linear transforming DNA into the chromosome... A). Is not required for the expression for the transformed genes. B). Is catalyzed by the RecA gene C). Almost never occurs because restriction endonuclease will degrade the DNA before it is integrated. D). Only occurs in laboratory-based systems in artificial competent cells. ...

producers and consumers and how they work together - Answer one organism produces a product that another organism will consume Syntropy - Answer Metabolic process by which two different organisms cooperate to degrade a substrate General pattern of degradation - Answer depolymerization and then either fermentation or respiration. Aerobic degradation - Answer Aerobic respiration predominates Oxidized products such as CO2, nitrate, sulfate are produced Monomers are converted ...

microbiology - Answer the study of of organisms that can exist as single cells, contain a nucleic acid genome for at least some part of their life cycle, and are capable of replicating their genome pathogenicity - Answer the ability to cause disease in another organism microbe - Answer -not visible to the naked eye (sort of) -exist as single cells -have DNA as genome -replicate that genome bacteria - Answer -single-celled organisms -asexual reproduction -simple morpholo...

methanogens - Answer -archaea -many diverse species -obligate anaerobes produce methane methanogenesis - Answer -a type of anaerobic respiration -various electron donors are possible (common=hydrogen) -electron acceptor (CO2) is reduced to methane (CH3) -unique set of C1 carriers and electron carriers -electron transfer generates PMF or NaMF, used to make ATP via ATP synthase B (in the mouth) - Answer Where on the body might you find methanogens, beside the large intestine?...

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compound microscope - Answer a compound microscope has two types of lenses: ocular and objectives. magnification - Answer enlargement of objects resolution - Answer the ability to distinguish structures separated by short distances. parfocal - Answer the ability of a microscope to maintain approximate focus when switching between lenses. working distance - Answer the distance between the specimen and objective. refractive index - Answer the angle at which light r...

Simple stain - Answer Stain used to contrast between the specimen and its background Basic/cationic dye - Answer Color in the positive ion of the dye (eg methylene blue) Acidic/anionic dye - Answer Color in the negatively charged ion How are dyes used? - Answer The difference in the charge produced affinity between the dye and the bacterial cell Cocci - Answer Sphere-shaped bacteria Diplococci - Answer Pairs of cocci stuck together Streptococci - Answer Cha...

Ocular lenses (eyepieces) - Answer Lenses closest to the eye, typically magnify 10X Ocular width adjustment - Answer Adjust for your eye span. Revolving nosepiece - Answer Can be rotated to change from one objective to another Objective lenses - Answer Three or four magnifications: 4X (very low power) 10X (low power) 40X (high power) 100X (oil immersion) Immersion oil used with the 100X objective has a refractive index approximately the same as glass - light passes thro...

Eukaryotes Reproductive Strategy - Answer Asexual and sexual Bacteria and Archea Reproductive Strategy - Answer Asexual (budding, multiple fission, spores) Binary fission steps - Answer 1. Cell elongation 2. Chromosome replication and separation 3. Septum formation 4. Cell division Growth in multicellular orgamisms - Answer Size of organism Growth in bacteria - Answer Observation of pop 1. Increase in # of cells or mass 2. Average number of cells Growth Curve -...

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