Biology question and answers for October 24, 2023
- Q Question 1 The flow of charge through a wire is called Points 1 electricity magnetism O heat light
- Q needs to be done in an aqueous solvent 25 26 T F A Sepharose gel filtration matrix is made up of agarose beads IT E The number 150 in Sonhad...
- Q A ball with a mass m strikes a wall horizontally with the velocity v and rebounds back with the same velocity What would be the impulse imparted by the wall...
- Q Question 7 Points 1 Which of the following is an example of inertia A football lying still on the ground until it is kicked Falling forward when the bus in...
- Q T F Sephadex G gels are types of ion exchange resins 11 After a TLC run an experimenter determines that two spots that migrated the same distance are not the...
- Q 19 In gel filtration chromatography the molecular weight limit for entrance into the gel matrix is known as the limit 20 T F If you need to store a gel...
- Q 13 T F A Sephadex G 75 column will not be able to separate proteins that have a molecular weight higher than 300 000 daltons 14 T F An important...
- Q 9 T F The best resolution on a TLC chromatogram depends upon how well you apply the sample 10 T F Sephadex G gels are types of ion exchange resins
- Q Which of the CRISPR Cas9 mediated edits might do an even better job of restoring function O An insertion of 3 bases within exon 23 A deletion of 9 bases...
- Q Question 6 Points 2 Identify the kinematic equation which relates the displacement and time O v 2 2a x xo O x xo vot 2at Ov vo at x xo...
- Q Question 5 Points 1 The slope of the velocity time graph of a car represents the acceleration of average velocity of distance covered by time spent by Complete Later Complete...
- Q Velocity v m s 80 60 40 20 0 A 0 10 30 Time t s Which of the following best describes the motion of the cyclist B 20 40...
- Q One of the main problems in the early growth of cities was O a lack of planned development O a shortage of workers O child labor O destruction of forests
- Q 6 Type the correct answer in the box Spell all words correctly Which book asserted that due to the expanding human population the ecosystem will collapse by the middle of...
- Q Select the correct answer from each drop down menu Which is a step of the scientific method in environmental science is a step in the scientific method The step that...
- Q 20 pts In chapters 16 and 17 we learn more about function of DNA as well as what happens when things go wrong such as mutations or telomere loss We...
- Q An autotrophic microbe with a nucleoid is Oan algae O a fungi a phototrophic bacteria a slime mold O a plant
- Q 2 What is the volume of a 2 5kg block of wood if wood has the density of 0 8 g cm
- Q Question Evaluate how well the refinement you suggested will affect the stability of the natural system being impacted and the feasibility of the refinement cost reliability available technology research
- Q Question Identify the scientific knowledge and reasoning on which using biofuels instead of fossil fuels is based Provide both the quoted evidence and the source reference s USE COURSEARC OR...
- Q Question Describe how using biofuels may help in stabilizing the natural system you identified as being impacted
- Q Which statement best describes how the research of Hutton and Lyell relates to the theory of evolution OA Geological forces that cause biological changes must be very powerful to have...
- Q A A null hypothesis of There is no statistical difference between two sets of data must be to show that there is a statistical difference correct B close C void
- Q Choose the correct answer Countries which provide extensive social services at little or no cost to the users are welfare states Ofree states O social states O highly taxed states...
- Q Points 1 Question 4 What type of government operates in Great Britain O Monarchy Constitutional O Constitutional monarchy O Republic
- Q What is the name of theory that describes sap transport through xylem Describe this theory including the relevant cell types that are involved in sap water transport Base your answer...
- Q A simple microscope consists of a single Odouble three lens es
- Q DNA fingerprinting can be used to A resolve paternity disputes Mark all that are correct B identify body parts in mass disasters C determine the source of contaminated food like...
- Q Griffith s experiment with mice and different Streptococcus pneumoniae species demonstrated this A Conjugation B Transformation Trance
- Q 1 pts You cut a plasmid with a restriction enzyme that cuts it into three pieces one fragment is 240 base pairs one fragment is 600 base pairs and one...
- Q Bacteria can become resistant to tetracycline in various ways Please match the mechanism of resistance with the most likely genetic variation event 2 4 a tetracycline inactivating enzyme appears that...
- Q more difficult to find good antifungal drugs compared with antibacterial drugs why Mode of action many antifungal drugs exploit differences between human and fungal cell membranes Human cell membranes contain...
- Q 29 What has Wade learned at the end of this novel Write at least 100 words in paragraph format
- Q What technique was used to make the grey band become narrower and narrower in the image below HOURS 21 8 5 10 7 12 0 14 9 IZI 19 2...
- Q If the intracellular reaction A B C proceeds in the presence of a specific enzyme and no other components you can conclude that A the reaction would not proceed in...
- Q Read the excerpt from a reference article on London then answer the following question The capital of England and the United Kingdom London has thrived for nearly two millennia as...
- Q Which two sentences describe what scientists have discovered about red algae and sponges A The earliest fossil evidence of multicellular life is of red algae while the earliest fossils of...
- Q regulation OA Both control whether RNA polymerase can bind to and transcribe genes B Both use enhancers far from the gene to regulate the rate of transcription C Both have...
- Q Amos works for a medical device company and was tasked with creating new educational material to market the device He is deciding between two statements to 5 points describe the...
- Q A negative option plan is a marketing device through which the consumer responds to the seller only if she wishes not to receive the product True False
- Q The Federal Trade Commission can order a company to remove or modify a deceptive trade name True False
- Q 2 In the clinical trials for a new diagnostic antibody test the experimental test had 32 of the undiseased test group test positive for the disease Based on this what...
- Q First step Place a microscope slide on the benc Submit Place the prepared slide on the microscope stage Previous Answers Request Answer Put one or two drops of the sample...
- Q questions Place the labels on the image of a compound light microscope Group 1 labels identify the parts group 2 labels identify the functions Stage clip Coaxial stage controls Move...
- Q Question 8 Cartoon and movie characters such as Wolverine Mystique and Storm lead to the notion that genetic mutations always cause profound changes in the phenotype of an organism However...
- Q every day had a 61 higher risk avoided diet drinks For this study Hannah Gardner about their eating behaviors exercise habits as well as cigarette and alco also given physical...
- Q X Biology Area D Asses Time Limit 0 35 00 8 12 6 ww 3 Time Left 0 30 09 10 Sara Jah Lymphoma Carcinoma Adenoma Luna CSarcoma No tumor...
- Q QUESTION When beetles were introduced as predators to the Leopard frog tadpoles and the pest Malathion was added the results were unusual Which of the following is a plausible hypothesis...
- Q Litera Microscope lens should be cleaned with soap and paper towels True False Question 6 1 point 1 Listen Where are the objectives located
- Q Listen What is the total magnification for an image that magnified by a 10x ocular lens and 4x objective Ax Question 3 1 point Listen tmont knob is used to...
- Q 9 What does the field of biology study O A Living things OB Insects and arachnids OC The mind and how animals learn O D Elements and compounds
- Q Which one of the following statements is true DDT does not help prevent disease from passing from agricultural animals to humans Cost was a major factor in the United States...
- Q A complex tone composed of a 440 Hz tone an 880 Hz tone and a 1320 HZ tone is presented What is the fundamental frequency 440 Hz 880 Hz Othere...
- Q Where are MHC Il proteins found and what cells recognize them all body cells Thelper cells antigen presenting cells APC Thelper cells antigen presenting cells APC T cytotoxic cellis all...
- Q 2 The table below shows partial diploid E coli with lac operon mutations 15 pts For each mutant indicate whether expression of beta galactosidase is None absent Basal on but...
- Q Match each type of water pollution with its description Nonpoint Source
- Q Why does Jason Stanley feel optimistic about this snail invasion They are only in one area that is already being treated Dogs like Mellon have tracked down most of the...
- Q Genetically modified organisms GMOs have included corn crops engineered to produce a natural pesticide to kill a certain insect which would normally destroy the corn The benefits include a larger...
- Q Problem Our current energy sources are not sustainable and are causing increases in carbon emissions which contribute to global climate change We need to find alternative energy sources that are...
- Q Describe the strengths of each solution Corn Switchgrass Miscanthus Native Grasse
- Q uppose that 45 mL of water was added to the acids in Experiments 1 and 2 instead of 85 mL How would this affect the results of the experiments The...
- Q Controlled burning is the intentional introduction of light fires into forest regions What is the main benefit of controlled burning for human populations O A It stops the cycling of...
- Q A fish species with little diversity exists in a single pond A long term drought causes the pond to dry out What is the likely result of natural selection in...
- Q How can the bacteria growing on this Sheep s Blood Agar plate be classified Gamma hemolysis Alpha hemolysis
- Q The first commercial application of genetic engineering was the use of bacteria to make insulin a medicine needed by many people with diabetes Before the use of genetically engineered bacteria...
- Q The legally recognized status of someone within a nation is known as O political party affiliation O citizenship O diplomacy
- Q 70 Nearly all peptide bonds are in the trans configuration because A trans peptide bonds are stronger B cis peptide bonds prevent R groups from interacting C cis peptide bonds...
- Q Nitrogen atoms are part of the structure of some organic molecules such as all amino acids and some modified carbohydrates What other organic molecules contain nitrogen O A fatty acids...
- Q the correct answers Which of the following is true about nucleic acids Glucose cellulose and starch are examples of nucleic acids found in most cells Both DNA which stores genetic...
- Q Drag and drop the terms to complete the history of the study of DNA 1 ONA was first isolated from white blood cells by 2 3 Avey MacLeod and Experiments...
- Q Which of the following is NOT a step in enzymatic catalysis A Substrates enter the active site B Products are released Substrates are held C at the active site D...
- Q What can biodiversity influence within an ecosystem well the ecosystem grows after rain how poorly the ecosystem responds to a drought how well the ecosystem recovers from a disturbanc
- Q 17 Record your results in the following Table 2 Table 2 Band 1 2 3 4 Distance traveled mm 2 3 Table 3 Band color Distance solvent front moved 18...
- Q top predator carnivores herbivores producers Energy Herbivores In the energy pyramid here which organisms have the most energy available Carnivores Producers Top Predator
- Q The pH of skin that is believed to discourage the growth of many microbes is 6 to 7 4 to 7 3 to 5 6 to 8 3 to 8
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