Biology question and answers for October 29, 2023
- Q Label the slides according to their gram stain results
- Q Use this key for a few selected Gram positive bacteria to identify the possible bacterium based on the following test results Acid fast Catalase activity Coagulase activity Colony color Test...
- Q The development of resistance to pesticides by insects was the result of O Inheriting genes that made them less affected by the pesticide O The special creation of a new...
- Q 1 resuspended the bacteria in 0 5ml of Solution 1 and then added lysozyme to a concentration of 50 g ml If we had a lysozyme stock concentration of 10mg...
- Q 6 Gram negative enteric bacilli produce enzymes that inactivate many antibiotics that target synthesis of the cell wall This is referred to as a MRSA b MDRTB c VRE d...
- Q Penicillin acts by O a inhibiting enzymes that cross link peptidoglycan Ob inhibiting RNA polymerase Oc inhibiting folate biosynthesis O d inhibiting protein synthesis Oe inhibiting DNA synthesis
- Q What is the relationship between decomposition and dissolved oxygen O Decomposition does not require dissolved oxygen O Decomposition releases dissolved oxygen into the water Decomposition uses dissolved oxygen removing it...
- Q II Understanding the Scientific Method 15 The previous questions illustrate that the process of science is more complicated than the ypical textbook description of the scientific method Based on this...
- Q L6 Assessment Should we take all of our antibiotics even if we feel better Write an explanation for your reasoning that tells how the mathematical model you co constructed in...
- Q Schistosoma can be transmitted by O Undercooked pork O Undercooked fish O Undercooked beef
- Q Study llowing Is a government insured account Limited to a certain number of transactions each month What answer best completes the chart Savings account Savings bond Certificate of deposit Mangu...
- Q NSAIDs are drugs that are used to A relax muscles B kill viruses C kill bacteria D decrease inflammation
- Q Dr Chung is a biologist who works on diseases of the liver She is studying infectious agents that invade liver cells She has narrowed down the cause of the disease...
- Q The graphs shown below represent a variety of microbial control scenarlos with the number of viable organisms shown on the Y a Drag the labels to describe the various aspects...
- Q What type of disease do prions cause O Spongiform encephalopathy O Hepatitis O Gastroenteritis O Haemorrhagic fever OPneumonia
- Q Which of the following statements is CORRECT Archaeal cell walls Oare disrupted by treatment with lysozyme or penicillin O do not contain peptidoglycan or D amino acids are similar to...
- Q 5 Of antibiotics which is false a Antibiotics have a bacteriostatic or bactericidal effect b Selective toxicity indicates that the drug should not affect the human host e Involve topical...
- Q 36 This is an example of a cytotoxin A Botulism toxin B Cholera toxin C Diphtheria toxin D Endotoxin E Tetanus toxin 37 Which of the following antimicrobial drugs interferes...
- Q 25 This man was able to identify and stop the cause of a cholera epidemic in London A Ignaz Semmelweiss B James Watson C John Snow D Louis Pasteur E...
- Q 30 A child comes up to you and gives you a hug and then immediately sneezes in your face If this causes a spread of disease the best term used...
- Q 15 The largest immune organ in your body is the A Intestines B Liver C Skin D Spleen E Thymus 16 Which of Koch s postulates cannot be strictly met...
- Q Colonies Colonies 30000 25000 20000 15000 10000 25400 25200 25000 24800 24600 24400 5000 24200 24000 0 Streptococcus Treated with Ampicillin 3500 3000 2500 Streptococcus Treated with Amoxicillin 2000 1500...
- Q 1 Vibrio cholerae causes intestinal cells of the human body to continuously secrete electrolyte and water leading to watery diarrhea The toxin that causes it is an example of a...
- Q Choose the statement that indicates how cytopathic effects are detected Perform biochemical tests on infected cells Examine infected cells with a microscope Grow infected cells in a variety of different...
- Q No you don t she said in awe He felt she was walking in a circle about him turning him end for end shaking him quietly and emptying his pockets...
- Q you need freshly grown young bacteria to do the catalase test and oxidase test O True False
- Q bacteria that tests positive for oxidase can use O cytochrome c oxidase nitrate oxygen pyruvate pyruvic acid as a final electron acceptor
- Q you are doing the nitrate reduction test You do NOT see air bubbles in the nitrate broth after incubation This tells you O you need to add other reagents before...
- Q The goal of drug metabolizing enzymes is typically to make the drug more lipid soluble less active more active more water soluble less water soluble more active more taste less...
- Q extra credit You suspect that your unknown bacteria might be contaminated by another bacteria What would you do to find out if this is the case transfer your bacteria to...
- Q The diagram shows two populations of bacteria April 2008 This diagram reveals that natural selection operated on the April population of bacteria This le A a slight decrease in the...
- Q T F A Sephadex G 25 gel filtration column can be used to separate alcohol dehydrogenase 1kD from amylase 23kD 29 30 T F Cheese is made by action of...
- Q Match the two columns regarding viruses Obligate intracellular parasites They have genetic information The genetic information is protected Limited genetic information Choose Choose Choose Choose
- Q Which of the following is NOT a step in bacterial cell division a Cell elongation b Replication of the genetic material c Disappearance of nuclear envelope d Splitting apart of...
- Q Which of the following best describes the pattern of microbial death a The cells in a population die at a constant rate b Not all of the cells in a...
- Q For this matching question consider these commonly prescribed drugs which inhibit protein synthesis Match each drug with the correct description and mechanism of action Chloramphenicol Aminoglycosides Tetracyline Macrolides 1 2...
- Q 6 513 a doad Grades suoissnasio Assignments Announcements
- Q Shown below is a branched reaction pathway in which both D and E are important for cell survival Imagine that E m be maintained below a certain concentration above which...
- Q cember 12 2022 Sports stars go after eir goals They give their all to score nts and win Many have another aim to make a difference in the lives of...
- Q What is the decolorizer in the spore stain procedure Acid alcohol Acetone alcohol Acid Acetone Water
- Q 6 A In paragraph 10 of New Alert System Designed to Warn Residents of Storms and Other Dangers what does the author mean when he says the new system is...
- Q reduces the number of vegetative forms reduces the number of endospores kilk all vegetative forms None of the choices are correct increases food nutrient value
- Q Microbial death occurs when there is a change in appearance Opermanent loss of reproduction All of these occur no movement a decrease in size
- Q Cyanobacteria are a type of bacteria that had a profound effect on the development of life as we know it What specifically is important with respect to cyanobacteria and the...
- Q wnload 3 17 jpg 29 1 KB SAV fe 14
- Q The graphic is a grassland in Africa It is A a closed s tem with regards to matter B an open system with regards to energy and matter C a...
- Q Provide an example of a microorganism that could act as an opportunistic pathogen ude met cave opportunistic infection but act are an opportunic pathogen
- Q Clostridium botulinum is an anaerobic soll bacteria Which of the following describes how Clostridium botulinum produces ATP Clostridium botulinum uses its mitochondria to meet its ATP needs Clostridium botulinum uses...
- Q Courses General Biolog GOCELLULAR RESPIRATION CUS Fill in the correct nu Total number of each component in the Ox Pyruvate
- Q In humans straight hair ss and curly hair cc are codominant traits that result in hybrids who have wavy hair sc Cross a curly hair female with a wavy haired...
- Q are 10 multiple choice questions on Question 5 What do the Gram stain acid fas
- Q multiple choice questions on this qui Question 3 Which type of microscope is the most wi Electron Dark field
- Q Right handed is a dominant trait RR Rr Left handed is a recessive trait rr In the pedigree below the shaded symbols show the right handed trait From the pedigree...
- Q Most medically important organisms are Photoautotrophs Chemoautotrophs Photoheterotrophs Chemoheterotrons
- Q The autoclave setting required to kill all organisms and endospores except prions is 134 degrees Celsius 17 psi for 15 minutes True False
- Q Worth 0 25 Points Given the components below what type of media is this Choose the best answer Media Components 3 65 mL H 0 4 55g MgCl2 7 82g...
- Q reproduce sexually resulting in multiple unique offspring Examine the diagram below Tan body with normal wings Parents Ebony body with vestigial wings Offspring possibilities Tan normal Ebony vestigial Tan vestigial...
- Q If Listerine kills 99 9 of germs in 30 seconds then what is the D value of Listerine If there were 1 million bacteria on your teeth how long would...
- Q Pros and Cons of diagnostic testsCompare/contrast the PROS and CONS of these types of diagnostic tests - can they be dangerous? Overused? Long wait time?How does this technology affect society?...
- Q One problem with newly discovered antibiotics is that they were only effective against a few microbes, whereas original antibiotics were broadly applicable. If an antibiotic only kills one, or a...
- Q Diagnostic test(s)Provide a description of 2 diagnostic test used to identify/diagnosis the disease/illness/conditionWhat is the main function of this test - treatment/curing/diagnostic onlyWhat are the risk factors associated with the...
- Q Which of the gram positive rods has high resistance to antibiotics and other antimicrobial drugs? Select all that apply.Bacillus anthracisClostridium difficileClostridium botulinumClostridium tetaniMycobacterium tuberculosis
- Q Match the possible solution for slowing antibiotic resistance to its mode of action. > New antibiotics > Phages > Vaccine > Resistance inhibitor 1. Blocks degrading enzymes produced by bacteria....
- Q According to the "Why Vaccines Work" video about vaccines, what is the minimum percentage of a population that should be vaccinated for measles to make the disease disappear over time?Was...
- Q The single most important measure to prevent the spread of an infection is?
- Q What is a noticeable similarity in the structures of one of the drugs from the list to Psuedoephedrine, or perhaps on functional groups that seem to be common throughout these...
- Q True or False: Because the microbiome is important for fitness, many organisms have developed specific strategies for passing the microbiome on to progeny.
- Q Dr. Chung is a biologist who works on diseases of the liver. She is studying infectious agents that invade liver cells. She has narrowed down the cause of the disease...
- Q The most common way microorganisms are transmitted to foods is by:A. Liquids dripping on foods in the refrigeratorB. Food workers' handsC. Sneezing or coughing on foodsD. Improper food tasting procedures...
- Q Which of the following is used by some bacteria to survive the acidity of thestomach?peptidoglycan in cell wallcapsulelipids in outer membranetwo of the aboveA, B and C of the above
- Q You wish to enumerate the phage in a stock culture. You do 4 10-fold serial dilutions of theoriginal phage culture, then perform a standard plaque assay using these samples. The...
- Q Streptococcus pneumoniae isSelect one:a. alpha-hemolytic on blood agar.b. found in up to 50% of people as normal biota.Oc. a gram-positive diplococcus with a capsule.d. a pathogen with endotoxin.e. All of...
- Q Which of the following microbial forms has the highest resistance to physical and chemical controls?Select one:a. Naked virusesb. Protozoan cystsc. Fungal sporesd. Bacterial endosporese. Yeast
- Q Which is the correct order for the application of reagents in the Gram stain?Select one:a. Crystal violet, safranin, iodine, alcohol/acetoneb. Crystal violet, alcohol/acetone, iodine, safraninc. Crystal violet, iodine, alcohol/acetone, safranind....
- Q Alcohol is a waste product produced by yeast in the presence of ___ and the absence of ____Oxygen, GlucoseGlucose, OxygenCO?, OxygenATP. CO?
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