Biology question and answers for September 14, 2023
- Q If a person were to refuse vaccinations, and therefore transmit adeadly disease to a susceptible person such as a young infant,should the unvaccinated person be criminally prosecuted? Why or whynot?
- Q Beable to identify and explain ways where innate and adaptiveimmunity are interconnected.
- Q Why doesn't nonrandom mating directly change allele frequenciesand is thus not, a mechanism of evolution? However, nonrandommating does influence genotype frequencies. Can someone explainthis in more depth?
- Q describe the function of mrna rrna and trna
- Q 1a. List and describe 3 types of epigenetic inheritance.1b. Describe the process of translation termination.1c.What are the 3 main differences in how bacteria undergotranslation?
- Q Twoarms of a U-tube are Separated by a semi permeable membrane. In theleft arm is a sucrose solution with the solute potential of -0.5MPa and the right arm is a...
- Q a) You have an exponentially-growing population of rodents, withan annual λ of 1.35.Calculate the number of individuals added to thepopulation in a given month whenthere are 250, 500, 1000, 5000,...
- Q Compare channel and carrier transport proteins.
- Q In paragraph form, explain how an electrochemicalgradient is generated and how it is used to synthesize ATP in themitochondrion during cellular respiration. In your answer youshould discuss (A) which structures/enzymes/proteins...
- Q In paragraph form, explain how photosynthesis is anoxidation/reduction reaction in detail. (A) What is the chemicalformula showing the reactants and the products? (B) What isoxidized and what is reduced? (C)...
- Q why different alcohol yield different reults for membranedissolution?why we use buffer, ethanol, SDS in DNA and Protienexperiements?
- Q Answer this question in a 1-2 paragraphsThe experiment that was performed was size exclusionchromatography. it involved:- sephadex G75 (separates up to 80,000 g/mol)- buffer: 20mM sodium Phosphate @ ph 7.0-...
- Q 1. Which of the following transcription factor complexes isactivated by Jak upon interferon (cytokine) activation?a.NF-kBb.Smadsc.STATsd.c-June.CREB2. Interactions between intracellular signaling proteins aremediated by modular binding domains. Which of the following domainbinds...
- Q 1. What are secreted proteoglycans found in the extracellularmatrix?a.they are proteins covalently linked to any polysaccharidesb.they are proteins covalently linked to fibronectin fibrilsc.they are proteins covalently linked to anyoligosaccharidesd.they are...
- Q The experiment is about whether the concentration of sodiumbicarbonate will have an effect or not on the rate ofphotosynthesis in spinach by recording the time taken by the leafdisks to...
- Q True or False? If false, explain why.a) The ribosome moves along the mRNA in a 5’ à 3’ directionb) The overall structure of the ribozyme is dictated by rRNAc) Ribosomes...
- Q Organisms that live in fresh water are almost hypertonic to theirenvironment. In what way is this a serious problem? How could someorganisms cope with this problem?
- Q what is the relationship between social media usageand academic performance outcomes in college students? one page
- Q The experiment is about whether the concentration of sodiumbicarbonate will have an effect or not on the rate ofphotosynthesis in spinach by recording the time taken by the leafdisks to...
- Q what would be different for bacterial cells that happened to beinside the agar and those that were on top of the agar in platesfrom the pour plate method? explain.
- Q 1.) Come up with one (1) example of how two (2)sympatric species of Apis bees couldpotentially be prevented from successfully mating with each otherin the wild. The mechanism could be...
- Q If the egg-to-adult survival rates of genotypesA1A1,A1A2,andA2A2are 90 percent, 85 percent, and 75 percent, and theirfecundities are 50, 55, and 70 eggs per female, respectively, whatare the absolute fitnesses(W) of...
- Q you decide to determine the effect of used cigarette butts onwater from Morses Creek NJ and how it affects the water qualityindex. In the lab you set up 3 large...
- Q 6. How does spatial structure affect competition andcooperation? This is a microbiology question.
- Q Punnett squares use the  ____________  ofgametes to determine the genotypes and phenotypes of all possibleoffspring.Two laws of probability apply to genetics. The product rulestates that the chance of two eventsoccurring  ____________  is equal to...
- Q 1.Create a chart to organize serological tests listed below thatuse antigens and their corresponding antibodies. Create columns forthe name of the tests, the category of the tests, the descriptionof the...
- Q Assess the use genetic mutant analysis and reporter genes (greenfluorescent protein) tools in the study of the of development. Whatare the advantages of these tools? Do they have any limitations...
- Q Consider the table below giving the numbers of juveniles andadults for one generation.Calculate fitnesses (viabilities), relative fitnesses, theselection coefficient, and the heterozygouseffect. What type of selection is this? What will...
- Q 1.You are studying gene X, a methylation sensitive gene. Youobserve that when X is expressed, there is also a non-codingtranscript, Y, that is expressed on the same chromosome.–Outline experimental methods/techniques...
- Q Why might a small deletion be viable ifheterozygous?How does a small duplication result in a phenotype whenheterozygous?Larger deletions are typically not viable even as heterozygotes.Why? And what genetic term is...
- Q Question: 1. Neatly, draw two cross sections showing differencesin the arrangements of the vascular tissue... 1. Neatly, draw twocross sections showing differences in the arrangements of thevascular tissue found in...
- Q What is the difference between a woman with 45, X andone with 46, XX given that in all of the cells of a 46, XXindividual one X chromosome is inactivated...
- Q The ubiquitin protein from the malaria parasite was treated withchymotrypsin, and the resulting fragments were sequenced. A secondsample of the polypeptide was treated with trypsin, and thefragments were sequenced. What...
- Q 8. Imagine a lake receives acid rain for an extended period oftime. The original pH of the lake was 6, but it has now dropped topH 3. How many times...
- Q Cystic Fibrosis is a disease caused by a defect in a Chlorideion transport channel protein. The channel performs a criticalfunction in the lungs; thus, disease sufferers have troubleclearing mucous from...
- Q BiochemistryHow many molecules can one molecule of myoglobin bind? Why isthis number different from that of hemoglobin? Why do you thinkthat myoglobin binds oxygen more tightly than hemoglobin?
- Q What is responsible for the transition from the occasional orinitial drug taking to habitual drug taking, and why does this notoccur in everyone who has used addictive drugs? What is...
- Q how does dna work
- Q Describe the 4 levels of structure of a protein and describe howthe R groups influence these structures.
- Q In Drosophila melanogaster, black body (b) is recessive to graybody (b+), purple eyes (pr) are recessive to red eyes (pr+), andvestigial wings (vg) are recessive to normal wings (vg+). Thesethree...
- Q What can we learn from the story of Titus about each of thefollowing: (a) the importance of females in gorilla troop socialstructure (10 points) ; (b) how males compete for...
- Q What is the basic constraint in recombination dictatedby the 12/23 rule? Why doesVkjoin toJkonly, andVltoJl only, and VH toDH to JH only?
- Q I have sequenced roughly 24 genomes from two differentcontinents (Africa and South America), specifically for theenvelope gene of yellow fever virus. I used software to generatethe dN and dS ratio...
- Q 1. Some traits are not transmitted via Mendelian inheritance.Describe three forms of inheritance that do not follow Mendelianinheritance or laws. Hint: These are alternative to dominance andrecessivness.
- Q For The introduction include1) Background about bacteria. specifically the differencesbetween gram + and gram - bacteria. Talk about B. subtilus and E.coli (what they are?)2) Background on antibiotic resistance, How...
- Q 1. Use a Punnett’s squares to show a monohybrid cross betweenpure breeding parents of tall (T) and dwarf (t) pea plants. Thetall trait is dominant and thus is represented by...
- Q Please answer allDescribe transcription and translation in bacteria. How isgene regulation in bacteria achieved? What is the two componentsystem of regulation? Give some examples of negative and positiveregulation. How do...
- Q Describe the rusting of a car in terms of the Firstand Second laws of Thermodynamics at the level of the organizationof the molecular structure of the car (steel/alloy, in a...
- Q Origin and insertion of the IT BandOrigin, insertion, and action of sartoriusOrigin, insertion, and action of ischiocavernosusOrigin, insertion, and action of bulbospongiosus(female)Origin, insertion, and action of bulbospongiosus(male)Origin, insertion, and action...
- Q What is quorum sensing? How is it used? How does it affectvirulence and biofilms? What is a biofilm?Need help with all parts please answer and explainthanks
- Q Define convergent evolution and give an example. Why isconvergent evolution often tricky for phylogenies?
- Q essay question: 1.explain why all cells must have the four partsall cells have.2. Be able to compare and contrast prokaryotic and eukaryoticcellular characteristics. (including DNA location, cell wallmakeup)
- Q Please Show work for full creditFruit flies that breed true for normal wings, grey bodies andred eyes are crossed with flies that breed true for vestigialwings, black bodies and brown...
- Q 1. Meat, eggs, and dairy are good sources of protein. When youeat these foods, proteins are digested and absorbed. Follow aprotein through the digestion process from the mouth through to...
- Q i NEED TO FIND AN ARTICLE ABOUT USING OF ENERGY IN SUCH ASWORKING, EXERCISE, OR BEING SEDENTRY THEN SUMMERIZE ITplease help me to find an article and summarize it t(...
- Q How can the environment affect gene expression? Morespecifically, what is it that the environmentdoing to change gene expression?
- Q Fermentation produces only a fraction of the energy that aerobicrespiration does, and therefore does not produce as much ATP. Sincethey both begin with the same molecule, where is the rest...
- Q Enterobacteriacea is part of which sub group ofproteobacteria?BetaproteobacteriaGammaproteobacteriaEpsilonproteobacteriaAlphaproteobacteriaDeltaproteobacteriaAntinemotodal compounds can be extracted fromMethylobacterium sp.Neisseria ghonorrhoeaeaBurkholderiales cepaciaSerratia marcescensChromobacterium violaceumA 10-4 is performed on a culture of bacteria in orderto perform viable...
- Q Subphylum MyriapodaList two derived characteristic for this subphylum.List two differences between class Diplopoda and classChilopodaDuring a sunny vacation abroad you put your foot into your shoeand feel something within. Would...
- Q You are an epidemiologist concerned about the relation betweentoxic waste exposure and nervous system disorders. You decide toconduct a case-control study. Feel free to use your imagination andbe creative!Describe how...
- Q Study Designs - Part 1INSTRUCTIONS: In working through thesequestions, take time in designing your study to consider how bestto reduce confounding, various biases, and improvegeneralizability.Randomized TrialsImagine that you just read...
- Q 1. What are the latest developments HIV and AIDS?2, What are the challenges of HIV and AIDS today?3, What will the future look like for the visus HIV and AIDS?4....
- Q 1. Which of the statements below accurately reflects theassumptions of the competitive exclusion principle?A.The competitive exclusion principle assumes that thecompetitors have the exact same resource requirements and thatenvironmental conditions may...
- Q Pictures of cell division
- Q When writing a biology prac report, what is the differencebetween introduction and discussion ?
- Q answer the following regarding DNA repairmechanismsWhat is \"direct repair\"? Give a couple of examples of theenzymes involved. Which one requires light and what kind ofmutation does it repair? Which one...
- Q Discuss and evaluate the decision of the EPA to allow the use ofChlorpyrifos. Discuss the effects of this chemical, and the reasonswhy the EPA has decided to allow its use....
- Q please answer the following regarding MutationWhy do methylated cytosines produce hotspots for mutation?What happens if an insertion or deletion mutation does notconsist of a multiple of three nucleotides? What is...
- Q Pulp and Paper Question,•H factor calculations.–1. Cooking temp 175C. TTT: 35 minutes and TAT 120 minutes.–2. Cooking temp 165C. TTT: 30 minutes and TAT 145 minutes.
- Q Based on the article, Hydrogels for tissue engineering: scaffolddesign variables and applications:Why are hydrogels used so often in tissue engineering?Compare and contrast hydrogels with other non-hydrogel basedbiomaterial.
- Q what are some indirect effects (feedbacks) found inRachael Carson \"American Experience\"?
- Q Howare transport vesicles made?How do they select their cargo?How do they find their target membrane?How do they fuse with the target membrane?
- Q how to increase the hydrolysis ability of enzyme?
- Q How is evolution not just 'chance'?Your answerAre humans the only species that can learn 'language'? Considerthe story of \"Kanzi\".What segregates human communication from those of otherapes?
- Q Factors leading to degradation of DNA include all but:a.humidityb.timec.temperatured.darkness
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