Biology question and answers for September 26, 2023
- Q this is a personal question but feel free to talk about yourself i will edit some stuffbiology is the course please type the anwers at least one to twopagesOne topic...
- Q 1) Why are cutting boards often responsible for crosscontamination and subsequent food poisoning?2) What are the criteria for dishwashing procedures in publicestablishments?3) The bismuth sulfite agar is used specifically to...
- Q Potential solution 1:Describe the potential solution for environmentalthreats to mutualism, commensalism and parasitism. Give details asto who is in charge of this potential solution, what they aretrying to do, and...
- Q 1. Explain the difference between C-3 and C-4 plants in relationto primary carboxylation (carbon fixation)2. Give three examples of each including the common name andbinomial nomenclature.
- Q Biotechnological methods for gene regulation (control of theamount of protein in eukaryotes and prokaryotes). Two separatekeyword lists (Pro/Eu).?
- Q Consider two loci, A and B, at which multiple differentalleles are present in the human population (i.e., A1, A2, A3, etc.and B1, B2, B3, etc.). The diploid genotypes of you,...
- Q Scalloped (sd) is an X linked recessive and ebony (e) is anautosomal recessive mutation. What proportion of scalloped, ebonyfemales (relative to whole population) is expected in the F2starting with a...
- Q Your friend Anna’s husband Jose has not been feeling well forthe past 10 days. He has congestion in his lungs and has been verytired. She talked him into going to...
- Q Problem2You cross a true-breedingyellow-bodied, smooth-winged female fly with a true-breedingred-bodied, crinkle-winged male. The red body phenotype is dominantto the yellow body phenotype and smooth wings are dominant tocrinkled wings. Use...
- Q 1. A bacterium is inoculated into a medium containing two carbonsources, one of which is the bacterium’s preferred carbon source.The resulting growth curve shows two lag phases. Explain thisphenomenon. What...
- Q How should epidemiology play a role in the health policydeterminations that affect the application of screening tests? Yourinitial response should be 250 words in length.
- Q When during the primate line did the predominant process ofpattern recognition change from a “local bias†to a “global biasâ€.What were the adaptive pressures that presumably led to thechange.
- Q There are some light and radiation agents used in Microbiology.A total of five to be exact. Can you identify each agent and itsuse?
- Q A protein that functions as a corepressor for gene expressioncan modify chromatin structure as well as DNA structure. Describethe modifications that this protein performs, and explain how thisaffects chromatin structure...
- Q 1. What increases the chance of a patient acquiring aClostridium difficile infection?2. What is a common first-line and second-line drug usedto treat C. difficile?3. Extra Bonus Point - What does...
- Q The fluctuation test performed by Luria and Delbruck isconsistent with the random mutation hypothesis.Complete a brief outline of their experiment.Rank the steps of the experiment from the first to the...
- Q 1. Draw a detailed Eukaryotic cell2. Label the cell and all its structures3. Write a brief description explaining how 4 organelles (ofyour choosing) function and how their functions areinterconnected.
- Q Is there any overlap between the Innate and Adaptive ImmuneSystems? Are there any Immune system components that play a role inboth Innate and Adaptive?
- Q A protein you are studying is believed to have a beta barrelsecondary structure that consists of several duplicate hydrophobicamino acid sequence repeats. Describe the cell structure youanticipate finding this protein...
- Q 1-Describe features common to the immediate extant ancestors ofland plants and discuss how land plants are thought to haveevolved.. 100 marks2. Make brief notes on any two of the following:...
- Q Propose different mechanisms that could contribute to theregulation of the activity of a receptor. Use Schema and explicitsupporting legend.
- Q how are flexion and extension different?
- Q If 3 genes control one trait, how many different genotypes canoccur?
- Q - Briefly explain how can you remove residual gDNA from RNA.- What would be the issue(s) of having gDNA contamination in theRNA samples to be used for reverse transcription?- Briefly...
- Q In Both Chloroplasts and mitochondria, the transfer of electronsdown the electron transport chain involved hydrogen ions and leadsto a similar outcome. Describe the outcome, and explain howit contributes to the...
- Q The demographic transition:The 4 stages of this transition arevery important to know and understand.a For each stage below explain what is occurring with birth anddeath rates AND state if population...
- Q Ifa person was unable yo utilize beta ocidation, because of specificmutations, how would this complicated the persons life? what wouldbe the results?
- Q tsiresult. A/NR. (acidic slant/ no reaction butt) the teacher say thatthis may not be a reliable result. why?
- Q report on Iron deficiency and Vitamin B12 deficiency. how theyoccur? and what can be done to help?
- Q 1.) In the first step of glycolysis, the cell SPENDS an ATP andphosphorylates glucose as soon as it enters the cell. Why does thecell do this? Give two reasons!2.) Speculate...
- Q A59-year-old male calls the paramedics after experiencing an episodeof chest pain while shoveling snow. He describes his pain as acrushing, tight feeling that radiates to his left arm and jaw....
- Q 1.Which genus contains acid-fast bacteria?a. Bacillusb. Staphylococcusc. Streptococcusd. Mycobacterium2.What component of the cell wall is responsible for the manner inwhich acid-fast bacteria absorb andrelease stain?a. isoniazidb. mycolic acidc. lipopolysaccharided. peptidoglycan3.In...
- Q Regarding biotechnology/biomanufacturing/cGMPs, what tools doesthe FDA utilize to assure compliance?
- Q What pathways feed glycolysis in biologicalsystems?This is how it is written and all the informationgiven.
- Q Recently, the power of cloning to rescue endangered or extinctspecies was demonstrated by applying nuclear transfer methods tosave the mouflon, a species of wild sheep (left half of figure).This result...
- Q 1. In humans, the autosomal gene allowing us to see the colorblue (symbolized as B) is dominant over adifferent version of the same gene (b) which causes us to be...
- Q Question 10Which of the following statements about biological nitrogenfixation is true?Answers:a.It is a strictly aerobic processb.It is a strictly anaerobic processc.It is confined to symbiotic bacteriad.It is a process carried...
- Q describe what will happen to an individual plant cellin varying solution conditions, and effects this may have on thecell's structure.
- Q (a) Does the mother with the wrong embryos have the right tohave an abortion (Roe v. Wade says yes prior to viability).(b) Does the mother who carries the baby but...
- Q Explain the importance of how Polymerase Chain Reaction, GelElectrophoresis and Restrictions Enzymes can be used in the realworld.
- Q What behavioral adaptations do the larval stages of intertidalinvertebrates use to avoid being swept offshore and settling inunsuitable habitat?Discuss how the effects of limpets and chitons on other speciesallow barnacles...
- Q What feature of amino acids give protein their structure andfunction?Why do phospholipids spontaneously form bi-layermembranes?Does RNA base pair? Explain.What area of biology studies how DNA works?What are the monomers of...
- Q Suppose you want to isolate viruses that infect marinecyanobacteria. Describe how you would do that compared to using thekinds of agar plates you were exposed to in this first laboratorysession....
- Q Sickle cell anemia is a recessive disorder in which hemoglobinloses the ability to effectively deliver oxygen to the tissues.Gene therapy in which hemoglobin gamma-chain is introduced tosickle cell anemia patients...
- Q Which 3 terms correctly describe the kind ofbacteria most likely to form pink colonies in toilets andbathtubs?AlphaproteobacteriaRhizobialesMethylobacterium sp.BetaproteobacteriaSerratia marcescensChromobacterium violaceumGammaproteobacteriaThe causative agents of Typhus and Rocky Mountain Fever aremembers of...
- Q Where is nitrogen found in living organisms?How do living organisms uptake nitrogen?What percentage of the atmosphere is nitrogen?Describe the nitrogen fixation process. Be sure to includenitrate, nitrogen gas, nitrite, and...
- Q Can radiation change our DNA? And if it does how does ithappen?If certain enzymes were removed from a given system, how couldthis affect a given body?
- Q (a) What is the difference between absolute fitness and relativefitness of an organism? [5 marks](b) Co-dominance is a type of non-Mendelian inheritance patternthat finds the traits expressed by the alleles...
- Q You work in a laboratory that studies the molecular biology oftribbles. [Although tribbles are an alien life form, assumehere that the molecular biology of tribbles is identical to that ofeukaryotes...
- Q Researchers have been trying to gauge the impact of the grayingof America. They report that currently 5% of the US population isover the age of 75 and it is expected...
- Q Select from the terms below to answer questions #17-22.One term is not used.R) Genomic imprintingS) MethylationT) Sex-influenced inheritanceU) Maternal inheritanceV) Sex-limited inheritanceW) ComplementationX) X-linked inheritancePattern baldness is controlled by two...
- Q Please explain the following questions in detail:1. The introduction of gall flies to control invasive knapweedin montana permitted an increase in the numbers of deer mice. Apartfrom an increase in...
- Q Do you think it is important for the survival of the humanspecies to understand evolution? List three different ways thatevolution can affect you personally in your lifetime.
- Q What is anemia? There are different reasons triggering anemiaand one of them is the lack of some micronutrients. What is/arethose micronutrients? Why does/do it/they cause anemia?
- Q Usethe scientific method to come up with, and create your own testableexperiment. The experiment must involve something dealing withcancer, and it must be testable in a lab setting. Remember toinclude...
- Q With the limitation in glenohumeral joint motion presented inPart E, case 1, describe how you would improve the passive ROMmeasurement by stretching one of the tissues you have identified inthis...
- Q Explain the molecular processes occurring inside a transcriptionbubble
- Q In morning glory flowers, plants with red flowers can behomozygous RR or heterozygous Rr. Plants that arerr have white flowers. How can you determine the genotypeof a plant that has...
- Q Imagine that we are studying the colour coat of a population ofchamoix in the Alps. There are two morphs, white and dark brown,which we know to be genetically determined.(a) We...
- Q You wish to develop an antitoxin therapeutic. Your plan is tocreate a molecule which will inactivate the ability of the toxin topenetrate the cell membrane, thus preventing the toxic effects....
- Q VENTILATION/RESPIRATION: ANATOMY AND PHYSIOLOGY1) Using Fick's law, explain why it is harder to breathe at thetop of Mount Everest.2) Using Fick's law, justify why the body surface of aTurbellaria makes...
- Q campare and contrast diabetes 1 and 2.introduction, body paragraph and conclussions should beanswer
- Q Describe how the different enzyme subunits of pyruvatedehydrogenase interact with their cofactors to catalyzedecarboxylation of pyruvate.
- Q Eukaryotic cells require the concerted efforts of varioustranscription factors to carry out transcription.TrueFalse
- Q 1. Consider a glucose molecule that was taken up by aerobiceukaryote, anaerobic prokaryote and facultative anaerobe prokaryotecell- wheat will be the fate of this molecule? How will each ofthese cells...
- Q Which of the following are typically used to determinedifferences in DNA sequence between individuals? Select allthat apply.a) cloningb) DNA fingerprinting of STRsc) DNA sequencingd) RFLP analysise) gel-filtration chromatograpgyf) western blot
- Q QUESTION 6These correct “overwinding†ahead of the replication forks bybreaking, swiveling, and rejoining DNA strands.HelicasesSingle-strand binding proteinsTopoisomeraseTelomerase4 points   QUESTION 7An organism that is heterozygous for two traits with thegenotype AaBb...
- Q 1. Give an example that you have observed of surface tension inyour own life.2. Define cohesion in your own words. Give an example.3. Define adhesion in your own words. Give...
- Q Using the sequence of the BPSL1549 protein – carry out an NCBIBLAST search using an appropriate BLAST program for the type ofinput sequence and restrict your search to the non...
- Q Look at the major divisions of the brain and the developingneural tube. Do you see a pattern in the position of each tube andthe functions of the major brain divisions?
- Q 1.The following data were obtained in a study of an enzyme knownto follow Michaelis-Menten kinetics:2/27/ 20V0 (ïmol/min) 217 325 433 488 647Substrate added (mmol/L)0.8 2...
- Q We’ve seen in this lab exercise that proteins can be involved inmore than one biological process or KEGG pathway. Based on whatyou’ve learned in Cell Biology Lecture or Lab, describe...
- Q Sulfanilamide that resembles substrate of an enzyme inhibits theenzyme when added to the reaction mix. What type of inhibition isthisA) allosteric inhibitionB) competitive inhibitionC) excitatory allosteric controlD) noncompetitive inhibitionE) feedback...
- Q In this week’s lab you will look for examples of phenotypicvariation within and between species of plants, using both yourunassisted eye and a microscope. But what sorts of phenotypeswillyou not...
- Q Please draw the mitochondria and gram negative cell side byside. Include the labels below. Not all of these go on each part ofthe drawing.MatrixPeriplasmic spaceIntermembrane spaceplasma membraneinner membraneouter membrane (twice)Cytosol
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