Biology question and answers for August 06, 2023
- Q Name 2 careers in biotechnology that are of interest to you andwhy?
- Q Describe how a bacterial cell could harvest and convert theunstable high energy electrons contained in the redox cofactors toATPs.
- Q Module 05What is the definition of metabolism?The breaking down of body compounds is known as what?True or False: Amino acids becoming protein is an anabolicreaction.What is the sugar that helps...
- Q You are asked to produced a stealth liposome with theability to carry cDNA into the nucleus of a targeted cell carryinga specific type of receptor on its membrane.How would you...
- Q Calcium chloride, CaCl2, is an ionic compound in which? Question37 options: ?each chlorine atom has lost electrons. ?one chlorineatom transferred an electron to the other chlorine atom. ?calciumhas two extra...
- Q Which of these principles/laws explains why the F1 of amonohybrid or dihybrid cross all have the same phenotype?.a. Equal segregationb. Dominancec. Uniformityd. Independent Assortment.
- Q Explain at least three issues studies have found regarding elderabuse.
- Q When given the basis of the genetic test, analyse an agarose gelelectrophoresisresult to genotype individuals or identify mutations.
- Q why some type of viruses could cause cancel while their is notany bacterial could cause cancer? what is the reason that makevirus that virulence ?
- Q Comment on the reliability of each of the protein concentrationsin a set of test tubes where the absorbances are know but theunknown concentration were determine from a standard curve.
- Q Provide an overview of how gel electrophoresis can be used toanalyse genes aftertreatment with restriction enzymes or amplification usingPCR.
- Q 1a)Explain cell-matrix interactions. Why they are important forthe control of growth and development of tissue engineeredproduct?1b)b. What is the relation between a material surface and cellfate?
- Q How does primary endosymbiosis from more complex organisms?You are a scientist studying the possibility of life on otherplanets. You find a planet that has a harsher environment thenearth what type...
- Q In cell motility assays:a. Do we need to perform a cytotoxicity assay parallel with themotility assay? Why or why not?b. If you know the IC50 value of the compound to...
- Q Distinguish between morphological, phylogenetic, and biologicalspecies concepts. What are the advantages and disadvantages ofeach? What notion is common to each of the species definitions thatwe considered? Why do species definitions...
- Q Choose the safer one of each matches and explain in detailwhyâ¦Â  runny poached egg or hard-boiled eggâ¦Â  boiled potatoes or french friesâ¦Â  ground meat or slice of meatâ¦Â  dried eggplant...
- Q Predict the effect of a bottleneck or founder effect on allelicdiversity.
- Q Howis terrestrial/freshwater/marine biodiversity distributed acrossthe globe?
- Q Does evolution lead to perfect organisms? Why or why not?
- Q A. List the 3 stages of translation.  B. Brieflydescribe what happens at each stage.
- Q What types of energy were people living in the area nowcalled California using 500 years ago?What are the “three Rs†of waste reduction, which is themost efficient and important? Which...
- Q Explain the process of DNA replication in E.coli. Include adescription of the role of the key enzymes in your discussion. [14marks]
- Q Transcription of themammalian Cytochrome P450 1A1 gene is induced byxenobiotics such as dioxin. The mechanism of induction illustratesmany steps which are typical of signal-regulated transcriptionfactors. （16 marks）Describe in detail the...
- Q Haemoglobin A is produced in red-blood cell (RBC) precursorsbut not in neurons. Focusing on regulation of transcription andusing what we've learned of gene control, what factors would turn\"off\" gene expression...
- Q . Define plant development and explain which main developmentalprocesses are required to build a plant. Indicate why plantdevelopment is an essential trait in agriculture giving someexamples of developmental modifications selected...
- Q All mammals have oxygen sensing system to directly monitor theoxygen availability and energy sensing system which indirectlymonitors the carbon source supply. Considering the important roleof nitrogen element in biologic system,...
- Q During cocoa pulp fermentation, how does the cross-feedingdynamic between lactic acid bacteria, yeast, and acetic acidbacteria influence energy generation AND cell biogenesis inacetic acid bacteria and successful fermentation of cocoapulp.
- Q Discuss the events in the packaging of DNA to the final event, thechromosome. Be sure to mention names and sizes.
- Q How do the two enzymes, phosphorylase kinase and phosphoproteinphosphatase, work together to regulate the glycogen phosphorylaseenzyme?
- Q Use a numerical example to demonstrate that selection is notefficient at removing deleterious recessive alleles from apopulation.First, choose a value of q, the frequency of the deleteriousrecessive allele in generation...
- Q How many spermatids are formed afterspermatogenesis?What is the epididymis purpose?What is the function of the Ductus (Vas)Deferens?What does the seminal vesicle do? What volume iscontributed to the semen?Why is it...
- Q what are the major components of the cytoskeleton? Explain eachby listing.
- Q Part 4. For each of the following research hypotheses identifyis the MOST IDEAL (strongest evidence) epidemiologic study designto address the hypothesis AND justify your choice.[Design/Method Selection]a. Contaminated egg salad at...
- Q describe Impact of Eradicating SmallpoxFor the case study analysis is to be broken down into thefollowing steps.How is the Public Health Department integrated with the CDCand the FDA?Identify the most...
- Q Regarding the trp operon leader sequence:1.What would happen if the leader sequence was mutated in region3, such that the it was missing?2. Regarding Electrophoresis:Restriction endonuclease (why restricted?, why endo?  Why -nucl-?...
- Q 1-what tests can be used to detect Listeria monocytogenes?2- ?Treatment – common resistances and alternative treatments –mechanism of action? for L. monocytogenes?
- Q 11. Which ofthe following statements correctlydescribesthe difference between ATP and thenucleotides used during DNA synthesis?A. ATP contains three high-energy bonds; the nucleotideshavetwo.B. The nucleotides have the sugar deoxyribose; ATP has...
- Q I believe you have all been through the D.A.R.E. program in highschool and college orientations with the warnings of alcohol, what2 things stood out
- Q A cell that is synthesizing insulin is lacking SignalRecognition Particle (SRP) receptors at the level of the roughendoplasmic reticulum. In your own words,describe the impact, if any, on the synthesis...
- Q explain the importance of protons to the production ofATP in animal cells. Refer to all relevant cellular structuresand/or molecules in your explanation.
- Q The cells accumulate neutral red (pKa=7), their lysosomesswell-up to many times their normal size. The swelling cannot beaccounted for simply by the mass of accumulated neutral red. Canyou suggest what...
- Q Look at this undecapeptide: Arg Asp Cys Glu Leu Lys MetPhe NH4+. What would each step do to the udecapeptide?Draw the final structure.a. treatement with iodoacetate that had noaffect on...
- Q explain genomic fingerprinting
- Q Q3 In the presence of a template DNA, a primer anddeoxyribonucleotides, DNA polymerase synthesises DNA by addingcomplementary bases at the end of the primer/growing chain. The DNAtemplate and the primer...
- Q discussed two different methods of energetic coupling betweenexergonic and endergonic reactions. In your ownwords, describe each of these energetic couplingmechanisms and provide a specific example of each.
- Q The sports saga with MRSA continues. A recent article in the NYTimes about college sports described “To prevent teammates fromsharing towels to wipe their faces or arms on the sideline,trainers...
- Q 1. Most cyanobacteria are photoautotrophs. Some other bacteriaare called photoheterotrophs. What do you think this means in termsof metabolic capability and production? Explain. Would you thinkphotoheterotrophs represent an ancestral group...
- Q explain the importance of protons to the production ofATP in animal cells. Refer to all relevant cellular structuresand/or molecules in your explanation.
- Q anantibiotic that targets the process of peptidoglycan synthesis isintroduced to some bacteria but has little to no effect on them.what type of bacteria is this and why did this happen
- Q Draw by hand a 3 pass transmembrane protein of your own creation(not a known one) through a plasma membrane. In your drawingclearly draw and label: The plasma membrane and the...
- Q 1-Give any two differences between archaea plasma membrane VSthe bacterial and eukaryotic membrane.2-What is difference between the L wall of gram-positive andnegative bacteria?3-Name any 2 structures that are outside the...
- Q Compare and contrast the activities of AMP-activated proteinkinase and cAMP dependent protein kinase. To answer this question,address each of the points given here, labeling each point withwhat you are addressing.Describe...
- Q Briefly assess the relationships between Biological andArtificial Neural Network
- Q Answer the following about metabolic syndrome in as much detailas you can recall (10 pts)Â Â Â Â Â Â Â Â i. What ismetabolic syndrome and what are the causes or the conditions thatcause and/or associated...
- Q At the end of the semester we discussed DNA damage and repairsystems. Then we read some papers on gene editing tools becausethese tools depend on DNA repair mechanisms in the...
- Q Provide two examples of how therapeutic genes can be delivered intocells, and discuss the challenges scientists face in making genetherapy an effective technique for treating human genetic diseaseconditions.basic biotechnology
- Q what is a cotyledon? what are the two types of cotyledons that canbe made by angiosperms? whaf are some difference between the twocotyledon types?
- Q What would be the metabolic effects of liver failure? Describein detail. Discuss the pathways which will be affected and theeffects on other organs of the body. Remember the many functions...
- Q Ribavirin is an antiviral drug commonly used to treat viralinfections such as hepatitis C and the highly lethal Hantavirus,Ebola, and Marburg infections. During the SARS outbreak in 2003, itwas also...
- Q You have been appointed as the new planning officer ata district assembly. The DCE has asked you to produce a five pagereport(reference if possible) outlining the environmental servicesthat would be...
- Q What are the step to do electrophorese 2D in order to purify theprotein after cloning ?
- Q Classify microorganisms based on their nutrientrequirements
- Q when some monosaccharaides are in solution: what structuralmodification occurs?considering the structural modification above, what type ofisomerisation can occur?
- Q A) Imagine that you found a white colony on a LB plate(containing Ampicillin, X-gal, and arabinose) that did notfluoresce green E. coli. Propose a hypothesis for how this couldhave occured.B)...
- Q 5. A man whose blood type is B, and whose mother wastype O, marries a woman with type A, whose father was type O. Whatare the genotype for the man...
- Q How Specimen will be obtained, and streak plates doneName of UnknownBacillus SpeciesDescription of colonies and HemolysisColony of Agar PlateGram stain results under the microscopeName a Genus and SpeciesOne example of...
- Q how does Canada's stance on DNA finger print compareto the international community?
- Q Write in your own words without copy and paste from the netabout \" describe the differences between mitosis andmeiosis\" total words ( 700-800 ) In detail pleasethe short essay must...
- Q What are the benefits of fingerprinting in our dailylife/career?
- Q why is fingerprinting controversial?
- Q Discuss growth kinetics in the fungal organism.
- Q What is the difference between dependent and independent variable ?What is phytophthora I destiny and how it change u.s history?
- Q In the past, fungi were thought to be plants. Explain why. Whyare they no longer considered to be plants?What characteristics do fungi share with animals?What is the 3 – 4...
- Q Explain the location and mechanism of the resistant mutation,and why it allows the mosquito to be resistant to pestisides.
- Q 2. A biochemist wanted to study how various substanceswere used in cellular respiration. In one experiment, she allowed amouse to breathe air containing O2 \"labeled\" by a particularisotope. In the...
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