a) The number of flounders in Sea-attle doubles every 24 years. In the year 2000, there were 7500 flounders in – Assignment Help

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a) The number of flounders in Sea-attle doubles every 24 years. In the year 2000, there were 7500 flounders in Sea-attle. I need the function f (t) for the number of flounders in Sea-attle, t years after 2000.b) The number of groupers in Sea-attle increases by 4.2% per year. In the year 2018 there were 2 groupers per flounder. I need the function g(t) for the number of groupers in Sea-attle, t years after 2000. c) In what year will there be 3 groupers per flounder?

Microbial control by chemical and physical means involves the use of antiseptics, disinfectants, antibiotics, ultraviolet light and many other agents.An

Microbial control by chemical and physical means involves the use of antiseptics, disinfectants, antibiotics, ultraviolet light and many other agents.An antiseptic is a chemical that inhibits microbial growth without necessarily killing the organisms. Thus, antiseptics are essentially bacteriostatic agents.Antibiotics can also act as bacteriostatic or bacteriocidal agents. They were first discovered as natural products of bacteria and fungi. However, modern antibiotics may be synthetic derivatives of their natural counterparts.The filter paper disk method is a simple, satisfactory method to use for comparing antiseptics and antibiotics on the basis of their ability to inhibit bacterial growth. In this exercise, we will measure the relative effectiveness of three antiseptic agents (phenol, formaldehyde and iodine) and one antibiotic (ampicillin) against two organisms: S. epidermidis and E. coli.PREPARATION QUESTIONS1. Is there a negative control in this experiment? If so, name it and explain why it is the negative control.


The influence of money in the government and law enforcement is pervasive. Lobbyists pour billions each year into influencing politicians.

The influence of money in the government and law enforcement is pervasive. Lobbyists pour billions each year into influencing politicians. Similarly, some police departments are provided incentives (federal grant money, forfeited assets and increased income) to enforce certain crimes (primarily drug-related). How does monetary temptations lead to corruption?


Menstruation, or __________, is normal __________ bleeding that occurs as part of a woman’s __________ cycle. Every month, the woman’s

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Menstruation, or __________, is normal __________ bleeding that occurs as part of a woman’s __________ cycle. Every month, the woman’s body __________ for __________. If no pregnancy occurs, the __________, (also known as the __________), __________ its lining. The menstrual blood is partly __________ and partly __________ from __________ the uterus. It passes __________ of the body through the __________. vaginal, monthly, pregnancy, lining, tissue, prepares, period, blood, womb, inside, sheds, uterus, inside, outsideFill in the blanks 2Menopause is a __________ of life in women that __________ the end of their __________period. It __________ the end of __________. This means that the __________ of the women __________ producing an __________ every four __________ and there is no __________ period. Beyond __________ a woman will no __________ be able to have __________. phase, signifies, reproductive, signifies, menstruation, ovaries, stop, egg, weeks, monthly, menopause, children, longer

According to Critical Thinking and Logic Skills for Everyday Life, clarity, credibility, relevance, completeness, and soundness are some of the

Writing Assignment Writing ServiceAccording to Critical Thinking and Logic Skills for Everyday Life, clarity, credibility, relevance, completeness, and soundness are some of the criteria we use to evaluate arguments. Choose one of these and discuss how it can be used to evaluate arguments.How would you describe, the differences between inductive and deductive arguments?


In a certain economy, the components of planned spending are given by: C = 500 0.8(Y – T) –

In a certain economy, the components of planned spending are given by: C = 500 0.8(Y – T) – 300r Ip = 200 – 400r G = 200 NX = 10 T = 150 where C, Ip, G, NX, and T denote consumption spending, planned investment, government spending, net exports, and taxes respectively. The real interest rate is denoted by r. a. Calculate the multiplier for this economy. Why is the value of the multiplier usually greater than one? b. Given the information about the economy above, what would be the impact on autonomous expenditures due to a one-percentage-point increase in the real interest rate (r)?


Go to the FDA’s site and examined through the highlights of the proposed changes: Proposed Changes to the Nourishment Truths

Go to the FDA’s site and examined through the highlights of the proposed changes: Proposed Changes to the Nourishment Truths Name (Joins to an outside link.)https://www.fda.gov/food/food-labeling-nutrition/changes-nutrition-facts-label#SummaryRead at least to “Questions and Answers” and skim the Q


Which of the following can result in frameshift mutations? a. alkylating agent d. ethidium bromide b. tautomeric shift e. deamination

Which of the following can result in frameshift mutations? a. alkylating agent d. ethidium bromide b. tautomeric shift e. deamination c. base analogImmediately after replication, the old and new strands can be distinguished by:a. DNA glycosylasesb. methylation patternsc. 3′ -> 5′ exonuclease activityd. AP endonucleasese. altered DNA structure. A population of E.coli cells is subjected to UV irradiation and then placed in the dark. There will be significant:a. production of base tautomersb. breakage of phosphodiester bondsc. formation of pyrimidine dimersd. photolyase activityAmong Betazoids in the world of Star Trek®, the ability to read minds is under the control of a gene called mindreader (abbreviated mr). Most Betazoids can read minds, but rare recessive mutations in the mr gene result in two alternative phenotypes: delayed-receivers and insensitives. Delayed-receivers have some mind-reading ability but perform the task much more slowly than normal Betazoids. Insensitives cannot read minds at all. Betazoid genes do not have introns, so the gene only contains coding DNA. It is 3332 nucleotides in length, and Betazoids use a four-letter genetic code. The following table shows some data from five unrelated mr mutations. 9a: How long is the normal protein? . Fill in the blank with the appropriate mutation (mr-1,2,3,4, or 5).a. The _____ mutation changes a single amino acid that is not critical for protein function.b. The _____ mutation is a deletion that causes a frameshift. Most or all of the amino acids downstream are changed.c. The _____ mutation is a deletion that produces a protein that is 17 amino acids shorter than normal. It does not cause a frameshift.d. The _____ mutation would terminate translation prematurely. The mutant protein is missing 4 amino acids at the carboxyl end.e. The _____ mutation changes a single amino acid, disrupting a critical region of the protein.


Construct the role and evolution of race in the Southern politics. What is going on? Why is it happening? What

Construct the role and evolution of race in the Southern politics. What is going on? Why is it happening? What is at stake? What role has it played in party politics? Make sure to bring evidence to the table. How did all of that play into the 2016 election?


Choose the best answer1. Which are beta-lactam antibiotics? none of the other answeres are beta-lactum antibioticserythromycin and azithromycinsulfonamide and trimethoprimstreptomycin

Choose the best answer1. Which are beta-lactam antibiotics? none of the other answeres are beta-lactum antibioticserythromycin and azithromycinsulfonamide and trimethoprimstreptomycin and neomycinpencillin and cephalosporin.2. In which phase of the bacterial growth curve is the generation time the shortest?Group of answer choiceslog/exponential growth phaseoptimum phasedecline phasestationary phaselag phase3.Which is an indirect method of estimating microbial growth?Group of answer choicesSpectrophotometerMicroscopic cell countMembrane filtrationCoulter counter Serial dilution and viable plate count4. Which best describes why extracellular polymeric substances (EPS) are important?Group of answer choicesThey are components of a biofilm secreted by the microbes present.none of the other answers is correctThey are components of a biofilm secreted by the host cells as an immune response to wall off the pathogens.They are chemicals produced as part of the immune response to microbial invasion.They are secreted by free-living bacteria as virulence factors to allow them to penetrate the bloodstream.5. All are true about quorum sensing except:Group of answer choicesMicrobes can change enzyme production, cell shape and leads to biofilm formation.Is defined as microbes responding to density of nearby microbes.Genes can be turned on or off by autoinducersInvolves cells secreting autoinducers that bind to receptors. All of the other answers about quorum sensing are true.6. Which best describes how a microaerophile would grow in a thioglycolate (FTM) tube culture?Group of answer choicesthroughout the medium evenly distributedthroughout the medium but more growth at the toponly grows a short distance below the top of the medium, but not at the topat the bottom of the medium only, with no growth in the middle or topnear and at the top of the medium, with no growth at the bottom7. Which is the most common category of bacteria?Group of answer choicesalkalinophilesacidophilesthermophilescapnophilesmesophiles8. Placing thermophile organisms at 37oC is:Group of answer choicesbactericidaldecontaminatingsterilizationbacteriostaticnone of the other answers is correct9. All happen higher than the maximum growth temperature of a microorganism except: Group of answer choicesAll of the other answers happen higher than the maximum growth temperature. Proteins become denatured.Hydrogen bonds break.Lipids become too fluid.10. A medium which contains substances whose exact chemical composition is known is called Group of answer choicesselectivecomplex/nonsyntheticdifferentialsyntheticenriched11. What method of handling microbes prevents infection or contamination?Group of answer choicesnone of the methods prevent infection of tissuesseptic techniquedrug resistance techniquemicrobial techniqueaseptic technique12. Which would be used to achieve sterility?Group of answer choicesfungicidesporicidevirucidebactericidegermicide13. All affect how successful disinfection of an object will be except:Group of answer choicesthe type of microbe presentall of the other answers affect disinfectionthe microbial loadthe concentration of agent and time appliedthe pH14. The presence of saliva, blood, and feces can inhibit an agent from killing a culture of bacteria.Group of answer choicesTrueFalse15. The lowest temperature required to kill a suspension of bacteria in 10 min is:Group of answer choicesThe cardinal temperatureThe thermal death pointThe therapeutic index40°CThe thermal death time16. When would you use an oven for microbial control?Group of answer choicesto sterilize used syringes and dressingsto sterilize glassware, powders or oilsfor drinking waterfor food preservation17. This type of radiation can be sporocidal:Group of answer choicesX-rays onlyX-rays and ultraviolet radiation onlygamma rays onlyX-rays, gamma rays, and ultraviolet radiation all can be sporocidal.ultraviolet radiation only MatchingGroup of answer choices 18. [ Choose ] Heavy metal that toxic to humans in minute doses, Halogen used to disinfect swimming pools, Kils microbes by producing oxidizing free radicals, Gaseous chemosterilant used in a chemiclave, Triclosan is a type found in handsoaps and can be an endrocrine disruptor. ethylene oxide phenolics chlorine mercury hydrogen peroxide 19. Which is effective against spores?Group of answer choicesalcoholsoapsheavy metal silverquaternary ammonium compoundsformaldehyde20. Who is credited with first finding a naturally occurring antimicrobial agent (Penicillin)?Group of answer choicesEdward JennerAlexander FlemingJoseph ListerPaul EhrlichDorothy Hodgkin 21. Bacillus licheniformis secretes a compound that inhibits the growth of other bacteria. This is an example of a(n):Group of answer choicesbroad spectrum drugnarrow spectrum drugsemisynthetic antimicrobialantibioticsynthetic drug22. Broad spectrum drugs that disrupt the body’s normal balance of microbiota can cause:Group of answer choicesnephrotoxicitydrug toxicityallergic reactionsAll of the other answers are correctsuperinfections23. Which molecule looks like a substrate, sits in the active site, and is a competitive inhibitor of enzymes?Group of answer choicessynergistic effectprotease inhibitorsresistance (R) factorergosterolantimetabolites24. Which antimicrobial agent inhibits DNA gyrase?Group of answer choicespenicillinfluoroquinolonetrimethoprimbacitracinquinine25. Which antihelminth drug is used to treat tapeworms, liver flukes and Schistomoma blood flukes and induces calcium influx resulting in paralysis?Group of answer choicesimidazolesartemisininbenzimidazolespraziquantelquinolones26. Which neuraminidase inhibitor is commonly used to inhibit the avian flu virus?Group of answer choicesquinolinesprotease inhibitorsTamiflu (oseltamivir)nucleoside analogsAZT (azidothymine) 27. Drug resistance is:Group of answer choicesnone of the other answers is correcta non- adaptive response where microbes mutate to become sensitive to the druga response where the drug causes chromosomal changes in the microbe.a response where microbes exhibit a larger zone of inhibitiona response where the population contains increasing numbers of microbes that are not killed by a drug.28. Which about microbial drug resistance is correct?Group of answer choicesDiscontinuing an antibiotic as soon as you feel better may prevent resistance.Antimicrobials used in the meat and poultry industry reduce resistance.All of the other answers are correct.Microbes in nature evolve to overcome antibiotics.Overuse of antibiotics inhibits microbial resistance.29. Pathogen A is more resistant to an tetracycline disc on a Kirby-Bauer diffusion susceptibility plate compared to pathogen B. Pathogen A will have a(n) ___________ zone of inhibition compared to pathogen B.Group of answer choicesequalsmallerlarger


Name 4 of the major regions of the adult brain and briefly identify its function? List the cranial nerves in

Name 4 of the major regions of the adult brain and briefly identify its function? List the cranial nerves in order of anatomical location and give a brief description of its function?Where is CSF fluid formed and name one problem that could arise if the flow is disrupted? What layers make up the meninges? Why can the circle of Willis maintain perfusion of the brain even if there is a blockage in one part of the structure? Why are ganglia and nerves not surrounded by protective structures like the meninges of the CNS?


What is the midpoint of the line that ends at (2,-5) and (-6,-7)? The lengths of the sides of a

What is the midpoint of the line that ends at (2,-5) and (-6,-7)? The lengths of the sides of a triangle are 6,8,10. Can the triangle be a right angle?A function is always a relation and a relation is ______ a function. (sometimes, always, never) 4. Given: y-3x-4 what is the x-interception?



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