Biology question and answers for October 08, 2023
- Q 1. In cats, coat color is controlled by a gene on the Xchromosome. Yellow coat color is determined by the b allele andblack coat color is determined by the B...
- Q Why do hornwort sporophytes differ from those of all otherplants?A. They have a foot and a basal meristem, so sporogenous tissueis formed continuouslyB. The leaves are short and round, but...
- Q 1. A) Why is it important to control illumination for livecells? B) Briefly explain how live cell imaging chamberscan be used to control four parameters (name and indicateimportance) that contribute...
- Q Explain the relationship between DNA, genes , proteins and aminoacids in 100-300 words
- Q explain how microscopy technique in biological experimentsrelates to physics and mathematics
- Q 1. You cross a true-breeding parental with yellow flowers andoval petals with a true-breeding parental with purple flowers andround petals. The F1 offspring have purple flowers and ovalpetals.a. Give the...
- Q 1. What would happen if you tried to look at the E.coli cells under the microscope immediately after the decolorizingstep?
- Q 12. If white flowers are recessive to purple flowers, if twowhite-flowered peas mate, what proportion of the offspring would bewhite-flowered?A)0                B)1.0              C)3/16            D)9/16           E) can’t tell21. What are the Ediacaran fauna?A. Rainforest organisms that...
- Q Plant Physiologysuppose you suspect your gene of interest is expressed duringM -phase, what type of experiment(s) might you design to prove yourhypothesis?
- Q explain the process of Dna replication fork, transcription,translation
- Q The allele P for PTC tasting (a bitter substance) isdominant over the allele p for nontasting. If 400 studentswere tested for this ability and 64 were found to benontasters,a) Calculate...
- Q 1. This procedure recommends preparing E coli as spheroplasts toexpose the alkaline phosphatase. Why is this a preferred strategythan simply completely lysing the bacteria completely?2. Explain the unit 'Unit' when...
- Q 1-2 paragraphs would sufficeDescribe the chemical and physical attributes, common uses,cultivation, and plant origin of Avocado Oil.
- Q 1-2 paragraphs would suffice in detailDiscuss social and cultural implications of when coffee wasfirst introduce to Europe?Describe one common class of aroma compound used inperfumery?
- Q 1.Which statement is true about nuclear fission or bombs?A moderator slows down neutrons to make fission less likely.The nuclear bomb dropped on Hiroshima in WWII was called FatMan.  A moderator slows...
- Q whydo you think those organisms were able to resist boilingtemperatures?answers: because they belong to extreme thermophilesgroup,because they belong to the thermophiles group,they produce endospores,they belong to the psychrophiles group
- Q Glucocorticoid secretion increases in response tostress. Which of the followinghormones will cause the adrenal gland to releaseglucocorticoids?Growth hormone (GH)adrenalineAnti-diuretic hormone (ADH)ACTHDuring the Endocrine Ed simulation, what hormone secretionincreased when thelights...
- Q Give an example (with applicable reasoning) that explains whydeveloping a HACCP plan could be difficult or challenging. What aretwo TCS foods that could be affected as a result of a...
- Q In studying sub-populations of a small rodent that has a countrywide distribution in the widely varying habitat of Costa Rica,Irena and Irwin (out intrepid evolutionary biologists) becameinterested in a gene...
- Q Explain how the type of disease, Thalassemiaaffects the skeletal system. Is the disorder systemic orfocal and how does this affect it’s manifestationon or in the bones.
- Q Which population shows genetic drift?A. A population of harvest mice disappears from an area after adevastating flood.B. Wolves in an island population have redder fur than mainlandwolves due to the...
- Q 5. Name the structure and functions of four cellularorganelles.
- Q What are the stepsinvolved in creating a vaccine? What are researchers looking forand how is FDA approval achieved?
- Q 1. What prediction does the neutral theory make that isnot true and what modification was made to itsassumptions to produce a new theory created by Ohta that better fitthe data?A)...
- Q \"Here we report results of a field experiment in which thenumber of plant species was experimentally controlled (Fig. 1legend). Our 147 plots, located on nitrogen-limited soil24, wereplanted with either 1,...
- Q Select all of the following that are used to predict proteincoding genes from a genome sequenceORF detectioncDNACodon BiasBLAST searches to identify similar DNA or protein sequencesUnique DNA sequences are harder...
- Q 1. When comparing a range of viral populations in a particularyear what characteristic is most associated with survival of thepopulation to the next year.A) a high rate of change in...
- Q If we added a high concentration (which will permeabilize thephospholipid bilayer) of strong detergents to beet samples, wouldthis result in high or low absorbance value at 460 nm? Explain.
- Q 7-what mechanism enable chronic viral infections to exert acarcinogenic influence on a tissue
- Q In the drawings below note and label all important elements(incl. consensus sequences) discussed in lectures and tutorialmanual and listed below.a) Prokaryotic operon: promoter (-10 and -35 elements),operator, multiple structural genes...
- Q How can population size affect additive genetic variance in apopulation?
- Q In genetics when using gelelectrophoresis there are many decisions. If you want to separatefragments that are very close in size you should use a higherpercentage of agarose. The power supply...
- Q 1. We talked about the production of ferritin as anexample of translational regulation. Explain what would happen if acell had a nonfunctional IRP gene. Be specific in your answer, withan...
- Q 3. While practicing social distancing, it’s good to still gooutside for a walk, bike ride, or observing nature. While going ona walk and making sure there is always at least...
- Q Compare the mouse estrus cycle to that of the human.Specifically, discuss hormones involved and patterns of cellmorphology.Discuss the brains role in the estrus cycle.
- Q List the adult reference range for the followingtests:   use your book and don’t forgetlabtestsonline.org as a resourceReticulocyte %Serum IronSerum ferritin            Male            FemaleTIBCTransferrin saturation %Complete the following chart for the differentialdiagnosis of Microcytic/Hypochromic AnemiasAnemiaFe...
- Q 1. You are tasked to determine if a specific brand ofapple juice has microbial spoilage. What sensory characteristicsand/or observation could you use in yourdetermination?2. Discuss three methods that are commonly...
- Q Describe the steps of chromatin compaction in your own words.
- Q The topic is how cancer works?In general, explain why TKIs are typically given orally whereasmonoclonal antibodies are typically given via IV. Which one wouldyou rather take, in your perspective?TKIs: \"Any...
- Q Writing at least 2 complete paragraphs, compare the similaritiesand differences of the Western and Eastern traditional Africancuisines.
- Q 1. explain the connection between ocean acidification andclimate change.2. What positive or negative feedback loops can be found withinthese systems?
- Q dogs can contract coronavirus how can we know if the virus hasalready been present in dog populations versus the situation of anovel infection in dogs. imagine two evolutionary scenarios for...
- Q 9. (7) What are some similarities anddifferences between the signal transduction systems of theregulation of chemotaxis and quorum sensing? Your explanationshould include a discussion of the functions of the components...
- Q Identify an example of three of the Cellular functionslisted below. Describe specific structures that are usedto carry out the process. Identify if each example happenseukaryotic, prokaryotic or both cell types.1....
- Q Write 3 paragraphs for reflection and should be do thefollowing:1. In first paragraph, Summarize thearticle (attached below).2. In second paragraph, Connect thearticle with one of those \"The Fossil Record of...
- Q             ChromosomeChromosome            LocusNumber Locus  Number                     TPOX2TH0111D3S13583VWA12FGA4D13S31713D5S8185D16S53916CSF1PO5D18S5118D7S8207D21S1121D8S11798Table 1.LocusAllelesFrequencyLocus RMPTPOX                   8120.5350.041TH0110100.008D3S135816170.2220.222FGA21230.01850.134CSF1PO11130.3010.096D8S5114190.1370.038D21S1128290.1590.195If you haven’t already done so, calculate the RMP for each ofJane’s loci using the provided allelic frequency information inTable 1 above.  Please show your work.What are the...
- Q Morphospecies ConceptCladeSynapomorphyAllopatryPhylogenyNodesSister Group'sMicrobiomePathogensKoch's PostulatesEnrichment CultureMetagenomicsEndosymbiosisPhagocytosis  PseudopodiaA.Used to catalog all the genes present in a mixed community ofprokaryotesB.used in modified form to confirm a causative link between newdiseases and a suspected infectious...
- Q 1. What is the importance of the TATA box and transcriptionfactors2.What is the importance of initiation complex3.why should tRNA be charged with N-formylmethionine ormethionine, what would happen if the tRNA...
- Q proteins are directed to the appropriate organelles and how theyare imported across the organellar membrane
- Q You have three genes on the same chromosome - A, B and C. Eachgene has two alleles in a dominant/recessive relationship. Forthese genes the homozygous recessive has the mutant phenotype...
- Q Where do processed mRNA’s go after leaving the nucleus and how?Explain
- Q You have three genes on the same chromosome - A, B and C. Eachgene has two alleles in a dominant/recessive relationship. Forthese genes the homozygous recessive has the mutant phenotype...
- Q Explain and demonstrate how a dihybrid test cross can be used todetermine if autosomal linkage exists.
- Q 2.) Discuss in detail why masks are relativelyineffective as a means of preventing infection by coronavirus,especially in regards to cloth masks; also discuss when, where andwho masks appropriate and recommended...
- Q Essay500 words about killer Snake venom
- Q Human fragile sites are associated with _____.chromosome breakagereplication late in S phasestalling of DNA replication enzymesgenetic disorders in certain instancesAll of the above
- Q 1. Explain three important embryonic componentsthat result from gastrulation, including why they are important inbilaterian animals.2. Describe the basic difference between protostomesand deuterostomes. In which group would humans belong? Inwhich...
- Q 1. In general, why is it really wet in Eureka, CA and quitedry in San Diego, CA?2. How would you measure net primary production in a beanplant?3. Is the length...
- Q 1.Explain why the earliest evidence of animals in fhe fossil recordwould come from chemicals as opposed to fossilized imprints.2.Describe why creating an accurate phylogeny of animal groups(porifera, cnidaria, ctenophora, bilateria...
- Q Description of biochemical tests for gram positive coccichartmicrococcus luteusmicrococcus roseusstaphlyococcus aureusstaphlyococcus epidermidisstreptococcus faecalisstreptococcus thermophilusstreptococcus pneumoniae
- Q Sexual dimorphism occurs when males are distinctly differentfrom females in traits other than reproductive organs. In manyspecies, there is no dimorphism and males resemble females in mosttraits. If the two...
- Q for paper whitening process:1. Outline the biochemical pathway that occurs in the industrialpaper whitening process2. Which enzymes participate in the selected industrialprocess3. Classify enzymes according to their activity4. Establish optimal...
- Q 2. Two normal parents have a son that is a carrier for hemophilia(an X-linked recessive disorder) and has Kleinfelter Syndrome.a. Write out the cross as described above illustrating thegenotypes and...
- Q To achieve proper cell and tissue growth, a tissue-engineeredproduct must accommodate blood flow similar to that of the nativetissue. Without blood flow to deliver oxygen, glucose, and otheressential nutrients while...
- Q Considerable effort has been directed toward determining thegenes in which sequence variation contributes to the development oftype 2 diabetes, a disease that results from a loss of sensitivityof cells to...
- Q It can be argued that almost all diseases have, at their root, acellular basis. This means we can typically trace every genetic oracquired condition to a problem in a specific...
- Q Examine the DNA sequence shown below. How many possiblereading frames does this piece of DNA have? Explain where they are.Which one can be used and how do you know?5'-AGTCGA TCGAACGGTCA...
- Q Acetylcholinesterase catalyzes the hydrolysis of theneurotransmitter acetylcholine: Acetylcholine + H2O ïƒ acetate +choline The Km of acetylcholinesterase for its substrateacetylcholine is 9.5x10-5M. In a reaction mixture containing 5nanomoles/mL of acetylcholinesterase...
- Q Is this a good answer? Would you add anything to it? Thankyou2) Autoimmune polyendocrinopathy ectodermal dystrophy (APECED)is a combined autoimmune/immunodeficiency disorder triggered bydefects in expression of the gene AIRE (for...
- Q What is the role of news media in a democracy? How is qualityjournalism compromised by media conglomeration?
- Q Imagine a student measures the concentration of a bacterialculture using the \"direct microscopic method\" (using ahemocytometer) and by \"using turbidity to count cells in liquidculture.\" Based on their calculations, there...
- Q Linda has asked Brenn to prepare a 1% agarose gel for a gelelectrophoresis analysis. But before he could do that, he needs toprepare 600 ml of 1x TAE from 95x...
- Q The plasma membrane is a structure common to all cell types andimportant in providing the cell with selective permeability.Identify one way that certain organisms can change the constructionof their plasma...
- Q Energetics and Metabolism ActivityHumans are described in a couple of different ways in relationto maintaining body temperature: homeotherm and endotherm are twocommon phrases. “Homeotherm†translates to “same temperature,â€meaning humans maintain...
- Q . 1. Explain Hamilton’s Rule in words.2. Relate indirect fitness and kin selection to the alarmcallings of black tailed prairie dogs.4. Does kin selection explain how humans distribute wealth? (Youdon’t...
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