TESTSOLVER9 STORE

microbiology - Answer study of small (microscopic) organisms tree of life - Answer bacteria on one side; archaea and eukarya on the other structural characteristics of bacteria - Answer -~1 micrometer in length - lack organelles -store DNA in nucleoid (no membrane) -have circular chromosomes -70S ribosomes -peptidoglycan cell wall prokaryotes - Answer bacteria and archaea (have nucleoid) structural characteristics of eukaryotes - Answer -large -mem...

Streptococcus pneumoniae - Answer -Mistaken for a eukaryotic fungus -Gram positive, soil bacterium -Linear chromosomes -Hyphal growth, cell division is rare -Multiple chromosomes per cell -Developmental cycle -Sporulation -Polyketide antibiotics -Problem with linear chromosomes: Can't replicate ends of chromosomes. Tpg proteins somehow fill in the DNA gap. Yersinia pestis - Answer -Causes Bubonic plague -Black Death () killed 30% of Europe's population -Carried bet...

bacterial species - Answer a collection of strands that share important traits and 70% DNA/DNA genome hybridization with a type strand type strain - Answer an arbitrarily selected bacterial strain that has all of the hallmark traits of the species to which it belongs numerical taxonomy - Answer compare organisms based on similar traits - what is closest to "type strain"? DNA/DNA hybridization - Answer compare organisms based on total genome similarity >...

During conjugation... - Answer The donor cell actively transports DNA out of itself Which of part of the bacterial flagellum is assembled last? - Answer Filament The inter-species quorum sensing autoinducer AI-2 is... - Answer Bound by membrane receptors Changing the antigens on the bacterial cell surface as a defense against attack is called... - Answer Phase Variation What is the most accurate term to describe the flagellar arrangement shown in the sketch at...

Bacillus subtilis - Answer Gram-positive found in soil industrial workhouse: produces proteases, riboflavin, fungicide Powerful genetic system "competent" takes up free DNA from the environment sporulation, cascade of sigma factors Fremyella diplosiphon - Answer cyanobacterium fixes carbon, fixes nitrogen heterocysts protect nitrogenase oxygenic photosynthesis makes gas vesivles "chromatic acclimation" In green light, makes green absorbing pigment- default ...

FtsZ - Answer cell division protein forms contractile ring in center of cell & recruits cell wall synthesis machinery MinC - Answer inhibits FtsZ polymerization MinD - Answer membrane-bound anchor and MinC activator MinE - Answer determines FtsZ positioning by inhibiting MinC & MinD from the center Noc - Answer Nucleoid Occlusion -coats chromosome; inhibits FtsZ from polymerizing over chromosome Autolysins - Answer cell separases; peptidoglycan...

What conditions limit bacterial growth? - Answer temperature desiccation oxygen radiation acidity pressure chemicals nutrients Heat damages by: - Answer 1. disrupts membrane fluidity 2. melts/denatures proteins 3. dsDNA -> ssDNA Cold damages by: - Answer 1. shatters membrane 2. prevents proteins from bending and breaks them 3. slows metabolism Types of halotolerance: - Answer non-halophile halotolerant moderate halophile extreme halophile Type...

What is the "Tree of Life" and it's three branches? - Answer shows the evolutionary relatedness of organisms. 3 branches are eukarya, archaea, and bacteria In what 4 major ways to bacteria differ from eukarya? - Answer -bacteria have nucleoids (not a nucleus) -lack organelles -and have usually one circular chromosome -have a cell wall of peptidoglycan, where eukarya have no cell wall or one made of cellulose/chitin the feature of a bacterial cell that many antibiot...

Respiration - Answer The use of an electron transport chain to create a proton motive force Eating - Answer Taking electrons off of a molecule Breathing - Answer Putting electrons onto a molecule OOTW: Geobacter metallireducens - Answer Gram negative soil bacterium, consumes sugars and oil-based pollutants, respires metals (iron, uranium, technetium), bioremediation, pili conduct electrons outside the "nanowires," bio fuel cells, anaerobic respiration Na...

Microbiology - Answer The study of microorganisms Microscopic, single cell , cluster, chains carry out life processes dependently or independently? - Answer Carry out life processes INDEPENDENTLY as SINGLE CELLS What are Viruses? - Answer microscopic, non-cellular, RNA or DNA Bacterial and their processes and their effects on society, humans, animals, and the environment what are the two basic themes? - Answer 1. Basic - cellular processes 2. Applied - pra...

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Upperworks - Answer Where is the best location for leveling a crane? When determining the gross load, the best method is: - Answer Get an accurate load weight and add the rigging By order of hitch strength, which is the correct answer? - Answer Basket, vertical, choker What is the purpose of using a jib? - Answer Increase height. When taking a side strain on a boom, what concerns the operator most? - Answer Boom damage You should always have at least ...

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - Answer The front What is the definition of "operating radius?" - Answer The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - Answer They are based on the stability of the crane In which quadrant are rough terrain crane capa...

To provide protection in the cranes work area, barriers MUST be erected in accessible areas; - Answer Within the equipment's rotating structure All of the following can cause a two-block condition except: - Answer Raising the boom When rotation of load may be hazardous, the operator must - Answer Ensure tag line is used According to OSHA 1926 Subpart cc, which of the following individuals is not allowed within the fall zone? - Answer Qualified evaluator The...

lift planning steps - Answer 1 determine the lift required 2 determine the load weight 3 verify the proper crane has been selected for the load and configuration. 4 set up the crane in the configuration needed 5 secure and mark the working area of the crane 6 perform pre-operational equipment check 7 perform a dry run (no load) and verify the configuration with maximum height and radius you would be using. 8 verify the lifting solution 9 make your lift Types of Lifts - Answer ...

Before leveling a mobile crane on outriggers, an operator should ensure: - Answer there is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Answer Keeping 90-degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - Answer Separate the boom hoist lines How many randomly broken wires in a lay length mus...

A Certified Person is ________________. - Answer An individual who has passed certain requirements set forth for operating cranes as outlined by an accrediting organization such as NCCCO and CIC. A Competent person is ________________. - Answer An individual who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous or dangerous to employees, and who has authority to take prompt corrective measures to el...

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Alveoli: Characteristics - Answer -air chambers in lungs -high surface area -small distance: to get nutrients across & aid diffusion through capillary walls to alveolar walls Alveolar Walls - Answer very thin, surround the air pockets Alveoli Type I: Gas Exchange - Answer -sit alongside the walls of air pockets Alveoli Type II: Surfactant - Answer -do NOT have high surface area/thin walls -look like regular cells -serve to lengthen lifespan of the alveolar ce...

[Exam 7] An example of mechanical lateral inhibition could be: A) Feeling a mosquito biting you. B) Ignoring a mosquito bite. C) Swatting away a biting mosquito. D) Scratching a mosquito bite. - Answer D [Exam 7] Which is a correctly ordered pathway for afferent information where immediately adjacent is NOT required? [For example, ABDG is correctly ordered alphabetically even though NOT immediately adjacent like ABCD.] A) Spinal cord - cerebellum - cerebral cortex B) Afferent neur...