Biology question and answers for July 20, 2023
- Q Performing Monohybrid CrossesA monohybrid cross is addressing the inheritance of one gene.Answer the following questions:Question 1:Drosophila melongaster, more commonly known as thefruit fly, can have red or white eyes. You...
- Q Describe the role of Shh in neural tube development
- Q 1.     Thechicken ovalbumin gene has five introns and interrupting the codingsequences or exons. How many R-loops will be observed if DNA of thegene and cytoplasmic mRNA are mixed under conditions...
- Q List 5 parameters of the human body that are maintained constant bythe homeostasis?
- Q Why can't people donate blood who recently have:a. had a tattoo or a recent piercing?b. been recently treated with antibiotics?c. are low on iron?d. if you don't weigh at least...
- Q 6. RNA ___________________ is post-transcriptional alteration ofsequences in mRNAs.10. RNA splicing involves two __________reactions?14. Peptide bond formation in translation occurs by an_______________catalyzed reaction17. The protein kinase Raf phosphorylates the protein...
- Q Hagrid is interested in breeding Hippogrifts, a magical creaturewith the head and wings of an eagle and the body, rear legs andtail of a horse. Hippogrifts usually have steal color...
- Q OPEN QUESTIONS: You are researching mechanisms involved in wdf1gene expression regulation in yeast1. Please shortly describe how to identify enhancers regulatingexpression of the wdf1 gene.2. You have discovered that Wou1...
- Q Use the following information to complete the chart below:ElementAtomic massCarbon12Oxygen16Hydrogen1Nitrogen14Phosphorous31MoleculeMolecularweightaH2ObC6H12O6cCO2dC12H22O11eC9H18O2fC4H3O2N3Which of the molecules in question #1 are macromolecules? Givea reason for youranswer.Which of the molecules in question #1 are carbohydrates?ExplainWhich...
- Q Discuss some practical benefits of DNA cloning. Please bethorough in your response
- Q Fragments of DNA can be separated by electrophoresis accordingto _____.a.sequenceb. lengthc.speciesd. compositionWhich of the following can be used to carry foreign DNA intohost cells? Choose all correct answers.a.RNAb. Virusc.PCRd. Plasmidse....
- Q What is the difference between gene therapy and stem celltherapy? What are some of the successes that have been achievedusing gene therapies?whats the Differentiate between embryonic stem cells and adultstem...
- Q Describe the steps in a bacteriophage and describe events thatoccur on an agar plate containing a bacterial lawn for a singlebacteriophage particle to cause the formation of a plaque.
- Q 5. The skin possesses a number of amazing protective properties,and one of the most notable is skin coloration as a protectionagainst U.V. irradiation. Briefly, describe the anatomical,biochemical and physical means...
- Q Clutch size vs. age at first reproductionTwo hawk populations (same species, different environment) startwith one individuals each. In one population, reproductive adultsmust attain two years of age, and their average...
- Q explain how photosynthesis can occur without the production ofoxygen, and how respiration can occur without requiringoxygen
- Q Two-Point MappingThe general strategy used to determine the genetic distance betweenlinked genes is to: 1. Make all of the genes of interestheterozygous in an individual or strain 2. Examine the...
- Q What kinds of science and technology are currently being used toinvestigate and/or monitor and prevent heart disease? Provide anexample and discuss at least one.
- Q Que .When phage infect a bacterial cell, they typically have atemporal program of gene expression, i.e., they express particulargenes at particular times. What are two regulatory mechanisms phageuse to control...
- Q Discuss what series of events may lead to septicemia and how itshould be prevented and treated.
- Q What must a pathogen that is outside the host accomplish inorder to infect the host successfully and have its descendantsinfect another host?
- Q Please describe the upstream molecular events that activatealpha, beta, and gamma subunits of G-proteins in a typicalcell-signaling event. (please do not exceed more than 15 sentencesin answer , thanks)
- Q 1 A) How does epistasis differ from Mendel’s principle ofdominance?1 B) A woman who owned a purebred albino poodle (an autosomalrecessive phenotype) wanted white puppies; so she took the dog...
- Q Explain your understanding of the purpose and process of primaryhomeostasis following an incision.
- Q 1.A single nucleotide mutation in the third position of a codonmore often than in the second or first positiona) has no effect on the amino acid sequence of the encodedprotein.b)...
- Q What are the methods of micropropagation of plants? List andexplain in detail what they consist of.
- Q Transcription cycle: what are the discrete steps traversedthrough in a round of transcription?What distinguishes one stepfrom another? What must occur for the polymerase to make thetransition from one step to...
- Q For primates, how is living in a “social system†anadaptation for survival? provide a very briefexplanation.
- Q Discuss why correlation does not necessarily means causality.After performing some research using JSU library and other onlineresources, identify some pertinent variables that may be highlycorrelated, and then discuss using actual...
- Q What do we know, both culturally and morphologically, about theemergence and geographic spread of the genus Homo?Please answer this question in more than 100word
- Q Question: The subject of modern human variation wasframed in lecture as being the result of what three major selectivepressures. List these and provide examples that illustrate howthese pressures have changed...
- Q Explain how the Female Gametophyte development process works ata mechanistic level?
- Q Gary, a middle aged salesman, complains of a burningpain in the pit of his stomach, usually beginning about two hoursafter eating and abating after drinking a glass of milk. When...
- Q Starting with the actions in the mouth describe the digestion,absorption, and elimination of a meal containing carbohydrates,lipids, and proteins (include mechanical and chemical digestion ineach of the structures of the...
- Q The megaspore in most flowering plants grows into amegagametophyte that has seven cells and eight nuclei. Name theseven cells.After pollen lands on a stigma, it is far away from theovule...
- Q Health Care FraudYour mission is to research health care fraud as manyinnocent people as victims of fraudulent health careadverting.  Do a web search for \"health carefraud\".  Choose a topic/article of your choice.Read...
- Q Explain in essay format two ways how one can change theirlifestyle to reduce green house gas emissions (carbon footprint)?
- Q Name the three pathways of complement activation, and describesimilarities, differences and major outcomes.
- Q 1.  Regulation of protein activity by phosphorylationrequires ________ activity.kinaseubiquitinproteasephosphatase20S proteasome2. Which of the following are substrates used by RNA polymerasein the process of transcription?DNA templateribonucleotie triphosphatesdeoxyribonucleotide triphosphatesinorganic phosphatesproteins3.  The ribosomeis an enzyme...
- Q Discuss how physician payments can be adjusted for theprice differences among various parts of the country.
- Q Correctly label parts of an IgG antibody: a. Heavy chains, b.Light Chains, c. Variable regions, d. Antigen binding sites, e.Constant regions or “Fc Crystallizable fragment regionsâ€, f.Antigen-binding (Fab) fragment, g....
- Q Describe the structure of a cadherin and contrast that basicstructure with ONE of the other types of cell adhesion molecules(immunoglobulin superfamily, integrins and selectin).
- Q 1. explain the properties of water and what makes it unique(need it for study guide).2. Describe the four major types of biological molecules andexplain their functions.
- Q Describe the graph of the primary and secondary response to anantigen by the human humoral (B cell-mediated) immune system; whatis would the X-axis be labeled and what would the Y-axislabeled?
- Q A patient suffers from a fungal infection; which medicine areyou going to prescribe?penicillindaptomycinNone of the proposed answers are good medicineTetracyclinePlatensimycin
- Q You can create a vesicle from the inner mitochondrial membranethat includes a functional ATP synthase protein with its fullyfunctional F0 rotor, central stalk, and F1 ATPase head. There isATP, ADP,...
- Q Construct a concept map by using the terms below. Use branchedarrows and/or another concept or two for better linking. Linkingphrases must contain a VERB.Respiration, Amino Acids, O2, CO2, Fermentation, Ammonia,...
- Q List the 5 classes of antibodies (immunoglobulins), explain thestructure of each, and state a role that each plays in the immunesystem.
- Q Aging Brain.pdfActions2) Address the following questions in your discussion boardpost:What are some reasons that brain research is a growing area ofinterest?What types of images can be used to study the...
- Q You perform a lumbar puncture on a patient with meningitissymptoms and see that the spinal fluid is cloudy. However,panbacteria PCR comes up with nothing. What is a likelyexplanation?
- Q In various reptiles, temperature determines sex duringdevelopment. Some scientists suggest that as Earth's climatebecomes warmer, sex ratios in these species will be biased and theanimals will become even more endagered....
- Q Complex III isan integral membrane proteina peripheral membrane proteininvolved in active transport of H+involved in redox reactiona, c, and d are correct
- Q Births, deaths, and emigration/immigration define lifehistory1a. What are the different strategies for reproduction ofsemelparous and iteroparous pecies? What environmental strategiesfavor each one and why? (Inlude the trade-off strategy indiscussion) (Explain...
- Q how many HIS 3 and URA 3 enzymes are needed when we add 10 mM3-amino-1,2,4-triazole (3 AT) to the growth medium as a competitiveinhibitor of HIS3?
- Q The best fossil evidence suggests that life began 4 billionyears ago. But free atmospheric oxygen didn't really peak untilabout 2.5 billion years ago. Multicellular animals did not ariseuntil about 600...
- Q Describe why the nitrogenase enzyme complex has to cycleelectrons through 3 separate cycles during nitrogen fixation andexplain what role ATP hydrolysis plays each time the electronscycle through the complex.
- Q In Vitro fertilization allows for selection of an embryo withspecific genetic traits. Have you read the book by Jodi Picoult, MySister's Keeper or watched the movie based on the book?...
- Q Mitochondria with lamellar cristae and rough endoplasmicreticulum.what is the relation between them?chemical changes thatgo on in mitochondria and rough endoplasmic reticulum and functionsof both
- Q Food Science QuestionYou have developed ‘on-the-go’ jellyand butter packet containing equal amounts of grape jelly andunsalted butter. The product does not receive any heat treatmentand is to be stored at...
- Q Examples of endergonic reactions/ processes is/ arechemotaxisTranscriptionH+ gradient generationCalvin- Benson cycleAll proposed answers are endergonic
- Q The Sucker's Gambit cancer therapy relies on what evolutionaryphenomenon or strategy? (Select one).A. Cells in a tumor differ from one another and actually competewith one another. Thus a goal is...
- Q Dideoxynucleotides terminatetranslationtransformationDNA replicationTranscriptionCrisper editing
- Q Write the reactions by which aspartate donates itsnitrogen for synthesis of arginine and urea. Where does theaspartate nitrogen bind to citrulline? Where do the carbons ofaspartate go after the nitrogen...
- Q Explain how the processes of photosynthesis and aerobiccellular respiration are dependent on one another by identifyingthe molecules that cycle between them and where they are producedand consumed in the cycle. Â
- Q Identify what keeps this entire cycle of photosynthesis andaerobic respiration going indefinitely and why. (3) Explain howincreasing amounts of atmospheric carbon dioxide and deforestationhave affected this cycle and climate.
- Q In this section we studied epidemiology. Give an example of aninfectious disease and how the etiologic agents would spread fromthe reservoir to the members of your community. Be sure to...
- Q Does the second cranial nerve pass OVER the hypophysis?
- Q you have been shown two cells under a microscope. One is small,contains many mitochondria and numerous glycogen granules. Theother is somewhat larger, has only a few mitochondria and noglycogen granules....
- Q Describe a feature of endospores that make them resistant tomicrobial control. Name a sterilizing technique that could killthem.
- Q A. Describe how T cell receptors differ from immunoglobulins.Include information on their generation, structure, andfunction.B. Explain the primary difference in how B cells recognizeantigens verses T cellsC. Explain the effect...
- Q A diploid organism produces four gametes from one parent cellthrough the process of meiosis. Two gametes are found to have 4chromosomes, one gamete is found to have 3 chromosomes and...
- Q Explain how Agrobacterium, CRISPR-Cas9, and RNAi are all used togenetically engineer plants for our benefit. What are someapplications of these strategies? What are some causes fordoubt?
- Q doall microbes present in human milk only have the ability to bebeneficial? what about harmful? how in comparison to other milk ifso
- Q Although multiple molecules are important in modern molecularlabs, in Genetics Lab, we will be focusing on DNA. Throughout thesemester, our treatment of the DNA can determine if we aresuccessful or...
- Q As part of development of a new test for detection of misuse ofhuman erythropoietin (EPO) by world athletes, Sydney researchershave studied the signals arising from native and administered EPOwithin 2D...
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