Biology question and answers for October 06, 2023
- Q Q1. Cell survival curvesSuppose you did an experiment to generate a cell survivalcurve.a) Describe what steps you would take to do the experiment.b) What is meant by plating efficiency?c) In...
- Q Think of the meal you ate last night for dinner (if you do noteat dinners, think of what you had for lunch). Discuss in detailwhat happens to the food you...
- Q What is the difference between chromosome, chromatin, andchromatid? Please provide examples.
- Q What is Bardeen’s relationship like with his twin brother whenthey are growing up?How does their relationship change?Why doesn’t Bardeen tell his brother his “secret†sooner?How does Bardeen’s brother react when...
- Q No one should ever consider aging a pathology. Aging is a normalpart of the life cycle, and as such is a part of normal anatomy andphysiology. However, aging can also...
- Q Describe the Cardinal signs of inflammation and why/how do theyeach arise?
- Q What is the concentration of bleach that is used to disinfectyour work area? Why is it     used todisinfect rather than to sterilize? When do you disinfect your workarea? (3           points)Can...
- Q summery of the chart of biological molecules concept
- Q Address the following (~200-300 wordstotal):How does a normal cell become a cancerous cell? What has tohappen to it?The video resources in the MasteringBio assignment focus on thetelomerase enzyme role in...
- Q 1. Which of the following is NOT true of Eukaryotes?A. their nucleus contains the chromosomesB. They contain membrane bound compartmentsC. They contain ribosomes which are smaller than those ofProkaryotesD. They...
- Q Explain how each of the following are evidence for biologicalevolution. Provide an example for each.A. Comparative anatomyB. EmbryologyC. FossilsD. BiogeographyE. Artificial selectionF. Vestigial structuresG. Molecular biologyH. Direct observationI. Experimental evolution
- Q Describe two ways an RNA virus can induce oncogenesis
- Q Transport of glucose into epithelial cells lining your smallintestine is dependent on a pre-existing electrochemical gradientof sodium (Na+) ions across the apical plasma membrane.If that gradient is eliminated, glucose transport...
- Q In human beings, the gene for red green colorblindness (r) issex linked and recessive to its allele for normal vision (R), whilethe gene for freckles (F) is autosomal and dominant...
- Q How did Watson and Crick's suggestion that nitrogen containingbases in nucleotides pair together in DNA support Chargaff's rule;and allow the double helix to have a constant width (as indicatedby Franklin's...
- Q Cystic fibrosis is an autosomal recessive diseasecharacterized by two copies of a mutated CFTR gene. If one in 100people in the United States have cystic fibrosis and one in5.0505050505 people...
- Q Examine the example of the media explosion surrounding theextinction of redheads. What problems does this exemplify in therelationship between science and the media? What are somesuggestions you have to mitigate...
- Q Discussion TopicJosh has been slightly overweight since grade school, but, as heprogressed into the junior high years, his weight grew worse; bythe time he graduated high school, he was considered...
- Q 1. What’s weird about the reproductivestrategy of the Striped Texas Lizards?2. What are 3 disadvantages or costsof sex?3. What is the Red QueenHypothesis?4. Summarize how the guppiesdemonstrated that variation is...
- Q 1. If you looked at a drawing of a lipid, how could you tellwhether it was saturated or unsaturated?2. Describe an example of kinetic energy being transformed intopotential energy.3. Describe...
- Q What you have to do:Your task for this activity will be to compare and contrast thelocomotor strategies of the following three hominin species:Ardipithecusramidus,Australopithecus afarensisand Homo erectus. Youwill accomplish this by...
- Q what enzyme does Rubisco catalyze and why is itimportant?
- Q You perform the disk diffusion test to test the antimicrobialdrug resistance characteristics of a strain of Salmonellatyphi. The ciprofloxacin disk produces a 15 mm zone ofinhibition. Why exactly is the...
- Q You must respond to the 2Â Â discussion promp. Make sureyou address the question that was posed to you. In your post, youmust include information from at least two references . 200...
- Q Define genetic testing, list potential barriers togenetic testing, what is the greatest potential barrier to genetictesting and why?
- Q 3)  In enzyme kinetics why does the initial reactionrate (vo) resemble the steady state in livingcells?  4)  Also, in enzyme kinetics the Km value is anindicator of enzyme binding efficiency, is...
- Q Please describe the overall mechanism for DNA polymerasefunction as discussed in class. What is the role of conformationalchanges in insuring substrate specificity? Do DNA polymerases sharea universally conserved mechanism?
- Q What do we know about the relationships that have lowconfidence? 6. What about the ones with high confidence?
- Q PART ONE 1-51. In the cross AaBb X aaBb, what are the gametes for AaBb?2. What is the genotype of a white-eyed male fruit fly?3. Suppose you count 40 green...
- Q Find at least one internet source which questions rhe validity ofhomology as evidence of evolution. Briefly summarize theirargument. Find and describe a response by proponents ofevolutionary theory. Evaluate the evidence...
- Q a. In what ways are living agnathan fish not representative ofthe anatomy and ecology of the most primitive vertebrates?b. How are hagfish “degenerate†early vertebrates?
- Q We would like to align two DNA sequences: (v) C G A T A C T, and(w) G A T T C G T :i) s(i, j) = 1.5 if...
- Q What developmental abnormalities could occur if contractileproteins were dysfunctional? What would the resulting effect in thebrain look like? Would there be any obvious loss of function in theorganism?
- Q unusal circumstances in immunohematology:CwLW AntigenV, VS deletionsWhat is happening genetically? How is it inherited?Will this cause a type discrepancy? What will the results looklike?How can you resolve the discrepancy (if...
- Q White eye is a recessive X-linked mutant in fruit flies. A wildtype male is mated to a white-eyed female. What is the probabilitythat an F1 son will be white eyed?A....
- Q You have a lot of pet goldfish in a tank in your living room.You started your fish colony a couple of years ago from just 4goldfish that were from the...
- Q ifI have resultsgram positive and Acid fast negativerod shape baciliyou thing it's endospore or not?
- Q Discuss the adverse effects of free radicals in the body at thecellular level and explain the relationship they have withdegenerative diseases such as cancer, heart disease, andothers.(( answer this in...
- Q Differences between viruses that infect eukaryotes andprokaryotes. Describe the genome classification of viruses thatinfect eukaryotes according to their structure.
- Q 1)A mutant E. coli was constructed containing anonpolar null mutation in the lacZ gene. The null mutationresulted in a nonfunctional LacZ product. In the presence oflactose, would this mutant E....
- Q Create a table of the following Nervous System and EyeDiseases  :African TrypanosomiasisCryptococcal MeningitisLeprosyTetanusPoliomyelitisCreate columns as shown below:Name of DiseaseCausative Agent(s)Virulence factorsPathogenesisSequelae
- Q Heating a broth culture of microorganisms to 140∘∘C for threeseconds would ___ the culture.View Available Hint(s)autoclavepasteurizepressurizesterilize
- Q Extend the HW principle to apply to three alleles/locus within apopulation (A, a, a’) Answer these questions: 1.How many genotypesare possible 2. Extend the binomial theory to develop an equationto...
- Q A protein you are studying is believed to have a beta barrelsecondary structure that consists of several duplicate hydrophobicamino acid sequence repeats. What potential analytical issues wouldyou encounter in the...
- Q What would happen if all the plants died? Few people care aboutthe impact of vegetation other than for consumption.Discuss the impact photosynthesizing plants have on ourlives.
- Q about how Much energy from our food is transformed into unsablechemical energy
- Q 1. Write chemical reactions for both DNA polymerization activityand 3'-->5' exonuclease activity of a DNA polymerase. Are the 2reactions reversible to each other? Explain why 3'-->5'exonuclease activity is essential for...
- Q Stem cells have the potential to treat many diseases such asdiabetes and Parkinson’s. These diseases are caused by the death ormalfunction of particular cells.a. What is meant by a stem...
- Q [AP Bio] Light wavelength significance for photosynthesis?I am writing an analysis based on a theoretical labreport made by other ''students,'' and for the lab they were goingto experiment on 'the...
- Q An acute viral disease infects a population of chipmunks, andonly those homozygous for allele b are resistant. (Thoseindividuals heterozygous or homozygous for allele B aresusceptible and suffer 100% mortality).A. If...
- Q how can a virus encode a protein larger than the size of itsgenome?
- Q Write a short paragraph describing the drawbacks to maintainingDNA databases such as CODIS as tools to solve crimes(Original).
- Q What is product feedback inhibition? Explain how product feedbackinhibition happens in Lac operon.
- Q Answer the questions below regarding the Histology:1. Key characteristics of epithelial tissues2. what simple refers to? stratified refers to? Preustratifiedrefers to? squamous and cuboidal cells refers to?3. Explain how many...
- Q Question 1:Name three actual species by scientific name and classify thenaccording to species, genus, family, order, class, phylum, kingdom,and domain. At what point do your organisms share a commonancestor? Which...
- Q Provide some examples on the enormous diversity seen in theMolluscs . Discuss body types and give examples of somespecies.
- Q You have an Hfr strain of E. coli that contains wild-type genesfor maltose catabolism and alanine biosynthesis. You want totransfer these two genes into an F- strain that cannot use...
- Q what does the endosymbiotic theory explain? Give 3 pieces ofevidence that supports the endosymbiotic theory
- Q what effect would DNP have on ATP production? if added to culturemedia, which of the following do you predict would happen? pleaseexplain.1) obligate aerobes would be able to grow but...
- Q please answer allWhich of the following statements is false?A.Ciprofloxacin inhibits DNA synthesisB.Acyclovir inhibits viral DNA synthesisC.Artemisinin would be a treatment for MalariaD.Niclosamide would be used to treat fungal infections2)Which of...
- Q 1.The TCA cycle in a particular tissue has been inhibited byfluoroacetate. However, it is not the fluoroacetate that isresponsible for the inhibition. It gets converted to anothermolecule that enters the...
- Q The life cycle of flowering plants exhibits the same alternationof generations seen in lower plants (n gametophyteà 2n sporophyte;where 2n = diploid number of chromosomes of the species). How doesthis life...
- Q You are performing a three-point test cross in order to map theorder and distance between three genes, designated X,Y, and Z, and you obtain the followingresults:Phenotypes     Number Observed+ Y+                         1+...
- Q Biomaterial Interface QuestionList and briefly describe 5 design features you couldincorporate in the design of a blood contacting biomaterial.Select a tissue you would like to interface with. Based on thephysiology...
- Q 1. In Drosophila, the genes for body coloration and eye size areon different chromosomes. Normal-colored bodies are dominant toebony-colored bodies, and normal-sized eyes are dominant toeyelessness. Line A is true...
- Q Questions 9-13 concern general information about each of theinvertebrate phyla we discussed this semester. If none of thechoices are appropriate, type ‘not applicable’.9. Phylum Chaetognatha (6)Highest level of organization (cellular,...
- Q Sodium-coupled transport is an important way of moving moleculesin and out of the cell. Cardiac cells have a transporter for bothNa+ and Ca+2; for every 3 Na+ that come into...
- Q What effect will the following mutations have on intestinalepithelial transport? Consider all the players that are beingtransported (water, Na+, glucose, K+)a.  a mutation that inhibits the Na+/K+ ATPaseb.  a mutation that blocks...
- Q what is the mechanism that allows the HIV virus to remain in thecell, to get passed down to all descendants of that cells and toretain the ability to be reactivated...
- Q Draw one water molecule with 4 hydrogen bonds to 4 other watermolecules. Indicating partial positive and partial negativecharges.
- Q Auxin, Jasmonic acid and Gibberellin have the same basicsignalling pathway.Create a diagram of this generalized pathway that can be usedto describe any of these hormones (this is another example of...
- Q which antibiotic target could have the most toxicity associatedwith it?a. 50 S ribosomal unit b. cell wall c. cell membrane
- Q Assuming DNA polymerization by each polymerase in the DNA PolIII holoenzyme proceeds at a rate of 1000 nucleotides per second,how long would anormal E.coli cell take to replicate the entire...
- Q 1. Name and draw two derivatives of amino acids beyond the 20common aminoacids.2. What effects the efficiency of enzymatic reaction(describethose)?3. CJD and early-onset Alzheimer’s Disease was shown to betransmittable through...
- Q How does an autoclave kill microbes so efficiently?
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