Biology question and answers for July 09, 2023
- Q clinical definition of microcephaly? other causes? Answer in 200or more words in an essay please
- Q Regarding ATP/AMP concentrations in the cell:a. Upon ATP hydrolysis, why might the AMP increase affect thecell more than the ATP decrease?b. What role does AMP kinase play?c. What pathways would...
- Q Howwould changes to the way fish adjust their swim bladder be anadvantage? What new niches could they fill?
- Q Match each of the following marine organisms with theiridentifying characteristics. Two of them are wrong.baleen whales                                                                                large filter feedersechinoderms                                                                                                         spiny skinred algae                         microalgae that can cause red tide toxic bloomdinoflagellates                        complex life cycleswith multiple...
- Q Peregrine falcons are one of the several species of raptorswhose populationsdeclined       dramatically inthe mid-60's after exposure to pesticides that caused them to layvery thin-shelled eggs.  In fact, the population ineastern North America...
- Q Describe the 5 events that convert an mRNA into a cDNA.
- Q How would the respiratory mechanism respond toacidosis? Â Alkalosis? What of renal mechanism?
- Q 1. Discuss the role of psychoneuroimmunology in medicaldiagnostics and in our daily lives.2. Briefly discuss the role of the complement system in diseaseand diseases associated with complement deficiencies.
- Q What structural/organizational characteristic of an operonensures that the genes contained in the operon will be coordinatelycontrolled?
- Q Answer the following question on COVID-19. Each questions 1page with source!!1. Treatment options so far used on patients at various stagesof the disease2. Prevention and control methods so far used...
- Q Describe how energy from sunlight is converted intochemical energy in the form of ATP. Be thorough.
- Q Part 2. Answer both:How would you determine whether the morphological diversity ofanimals has increased, decreased, or stayed the same since theCambrian? Explain what kind of data you would collect, how...
- Q 1. The prevalence of most psychological disorders has increasedsince the 1980s. In addition, no fictional or nonfictionaldescription of individuals showing dissociative amnesia following atrauma exists prior to 1800. How would...
- Q How long did it take for the R-6 pups to catch up withthe N-10 pups in weight? (1 point)In the “body composition†section of the resultssection, what is incorrect in...
- Q Explain what ZIP and ZnT proteins are and what they doto Zn concentrations.
- Q A. State the number of ATP molecules that are formed from thecomplete breakdown of one glucose molecule.B. State how most of these ATP's are produced.C. Describe the role of the...
- Q For each precursor molecule, identify the corresponding class ofhormone (catecholamine, eicosanoid, peptide, or steroid) and givean example.(a) arachidonic acid(b) cholesterol(c) prohormone(d) tyrosine
- Q You want to use PCR to amplify a 1Kb exon of the human autosomalgene phenylalanine hydroxylase (PH) from the genome of a personsuffering from the disease phenylketonuria, which is due...
- Q Discuss the following given below:\" Resurgence of covid-19 in Wuhan, china\",1. what sparked it?2. what are the reasons behind the resurgence again?3. what caused the resurgence of covid-19 again in...
- Q Describe the movement of iron from plant vs. animalfoods from the intestinal lumen onto transferrin in theblood.
- Q A 78-year-old female was arrived tired to the emergency roomwith the following symptoms: nausea, vomiting, decreasedrespiration, hypotension, and low pulse rate (46), The skin was notsweaty, it was warm, she...
- Q Whydoesn't having a gene variant associated with a particular illnessor disorder guarantee a person will develop the condition?
- Q In July 2000, the Protein Data Bank named the nucleosome“molecule of the month.†In an accompanying report, David Goodsellwrote that\"The job of the nucleosome is paradoxical, requiring it toperform two...
- Q 1.   What is thesignificance of metanephridium thickness in the earthworm? Bespecific.2.   Compare andcontrast the exoskeleton of the grasshopper and the crayfish. Howmight they be used differently for osmoregulation?3.   The greengland...
- Q Identify and discuss common dietary factors that affectthe absorption of iron, zinc, and copper.
- Q WATERHAS MANY UNIQUE PROPERTIES THAT MAKE IT ESSENTIAL TO LIFE ON EARTH.THESE PROPERTIES ARE DUE TO THE FACT THAT:A.Water is polar moleculeB.Water is hydrophobicC.Water molecules are attracted to each otherD.through...
- Q Where do you see our species going in the future? Is \"building\"humans through genetic modification the right thing to do?
- Q The purpose of the lysis procedure is:to sequence the 16S rRNA geneto separate the pieces of nucleic acid from one anotherto break open the bacterial cells to release the geneticmaterialto...
- Q developmental biology1. The germ layer in frogs thst is induced isa) ectodermb) endodermc) mesodermd) none kf the above2. Blastema during newt limb regeneration becomesa) 0.5b) 1c) 2d) 53. A unique...
- Q Why is it so important that blood glucose levels be maintainedwithin a narrow range? what is bad about having too much or toolittle glucose in the blood? How are insulin...
- Q a part of amembrane at restshowing the transport of glucose usingthe glucose-Na+symport protein. We knowthat the average mammalian cellhas a cytosol chemicalconcentration of roughly15mM ofNa+ as compared to itsextracellular concentrationof...
- Q 1. What are the causes of the common cold?2. How does a virus cause a disease?
- Q IV. FILL-IN QUESTIONS1. German measles is a relatively mild disease but can causesevere fetal defects in    35% of cases when a pregnant woman isinfected during the first trimester. This    condition...
- Q The “Skinny Bacteria†research company has generated a syntheticchemical called \"WPT\" that binds to LacR and causes a shift in itsstructure.Provide a written description for what you think will happen...
- Q Apply a rule and determine which of the following populationsare in Hardy-Weinberg equilibrium. Show your work.GenotypesAA Aa. aaPopulation I .430 .481 .089Population II .64 .32 .04Population III .25 .50 .25a....
- Q Scenario: Recently, Jon Doe suffered a serious neck injury inwhich his spinal cord was damaged and will not heal without stemcells. Doctors say, due to his highly unusual genetic make-up,...
- Q Ticks feed only on blood of vertebrates (both males and femalesblood-feed) and are generalist in terms of their feedingpreferences (would feed equally well on mouse, lizard, bird, fox,etc.). Based on...
- Q MICROBIOLOGYOn example of a consortial arrangement might involve the use ofcomplementary electron donors and acceptors to create a cyclicturnover of a compound. Draw an example of a cycle of this...
- Q Describe three classes of spindle microtubules including theirfunctions, locations, and the polarity:o Aster microtubuleso Kinetochore microtubuleso Interpolar microtubules
- Q Describe the process of protein synthesis in prokaryoticcells.Begin with a gene in the DNA and throughly explain all of thesteps of transcription (initiation , elongation, termination andone type of termination.Describe...
- Q COVID-19 What do you learn of it, How protect my selves, andWhat is most important .Need 500 words for this question to be answered.
- Q Osteogenesis imperfecta is a disease caused by a mutation incollagen (type X), which causes the infected individual to havebrittle bones that easily fracture. Collagen typically has a triplehelical structure consisting...
- Q )Explain how mutants have and can be useful in understandingwhich photoreceptors are involved in a response.
- Q Microbiologya) For each of the following parameters, indicate amethod/approach that could be used to estimate it.- Bacterial activity in the water of a lake- The fraction of bacteria that are...
- Q Your neurobiology lab primarily studies gene expression ofdistinct brain regions to better understand mechanisms behindmemory loss. Your task as a new graduate student is to createlibraries of Olfactory Bulb and...
- Q Which bacterial group is most suitable for waterbiotreatment?A. R-tacticsB. L-tacticsC. K-tacticsD. All of the aboveWhich of the following is an interaction between twomicroorganisms that positively affects the survival and activity...
- Q Describe the pancreas and its functions. What lines theabdominal wall?. Describe the pathway of the oral cavity and thepathway of the pharynx, be sure to also describe the pharynx 3openings.Explain...
- Q 4. a. Define Genetic Drift at a locus. What assumptionof the H-W equilibrium model is violated for genetic drift tooccur?b. Why is the effect of genetic drift relatively\"strong\" (i.e. can...
- Q Why is it easier to name a taste in a food than a smell in theenvironment?
- Q The H+/ATP ratio is variable between ATP synthase isolated fromdifferent organisms. Explain the difference and provide a possibleexplanation for why the reaction stoichiometry is not conservedacross species.
- Q MICROBIOLOGYDescribe a mutualistic relationship between a eukaryotic hostand a prokaryotic symbiont in detail. Explain what benefit eachorganism gets from the association? In the context of evolution bynatural selection, do you...
- Q Define and describe the followingterms:a.        Gastriliths:b.        X-organ:c.        Sinusgland:d.        Ecdysis:e.        YOrgan:
- Q The authors genotypes 287 F2 plants. What are the expectednumbers of genotype, given the proportions youdetermined in b? (1 pt)72 homozygous Dn, 72 homozygous Dg, 143 heterozygous DnDg <-this is...
- Q Explain the concept of biofilm formation.
- Q Come up with five different alternative hypotheses to explainwhy a species of fish might show schooling behaviour. Use the form,\"Natural selection might select for schooling behavior in fishsince fish that...
- Q Explain one advantage and one disadvantage of geneticadmixture between isolated populations .IBD can be used (with additional modelling) to estimategenetic admixture. What do the length and frequency of IBD regionstell...
- Q 1. EU2 and E3 individuals have defective CCR5 membrane receptorprotein. They also have the CCR5D32 DNA mutation. Explain therelationship of the defective protein and the DNA mutation.2. Why is it...
- Q Describe the history of the Chesapeake Bay oyster fishery fromthe 1800s to present, and the most important ecosystem-level impactof oyster overfishing?
- Q What do you think would happen if an AsiaticStreptococcus strain acquired genetic information from aEuropean Streptococcus by means of a plasmid, integratedit into a CRISPR array, and then was shipped...
- Q 114 Escherichia coli are on my right index finger. I lisck myfinger and accidently eat 13 of them.  12 Escherichia coli are on my left thumb, what is theprobability that I...
- Q Explain how you could determine if alpha or betad-ribose would be produced by the N-methyl nucleotides catalyzedreaction of 7-methylxanthosine to 7-methylxanthine.
- Q How is malonyl Co-A involved in regulating fatty acid synthesisand beta oxidation?
- Q On your own words describe how proprioceptions as asense works, including all centers and neurotransmitters?
- Q Explanation each of this GlossaryArachnidaArthropodacapitulumchitinCrustaceaentomologyexoskeletonimagoInsectainstarmetamorphosisnymphpupa (pl. pupae)scutummyiasis
- Q Cross AABBCCDDee x aabbccddEE strains. What are the resultinggenotypes and phenotypes in the first and second generations?show the F1 genotype, then calculate the number of possible F2genotypes so that the...
- Q Which vital step(s) in metabolism is TPP important? Show keysteps.
- Q Tectonic movement refers to:A. the movement of a dozen enormous rigid plates and manysmaller ones that make up the lithosphere.B. the winds driving clouds around the earth.C. the gradual churning...
- Q The germline mutation rates tend to increase along witha later replication time. Please support this with specificexamples (ie genes that have high germline mutation rates and havea late replication time)
- Q How does the scientific method relate to:1) Environmental science2) Risk assessments3) Measurement analysis
- Q • Consider the processes involved in muscle contraction.Summarize in a few sentences the relationship between ATP andmuscle contraction.
- Q What guides free ribosomes to the endoplasmic reticulum?a. A signal sequence and a TOM protein.b.A signal sequence alone.c.A signal sequence and a signal recognition particle.d. A signal recognition particle alone.
- Q Name and detail the mechanism(s) through which this DNA damagecan occur. What mechanism(s) have cells developed to deal with thisdamage when it is encountered? Detail how this led to theelucidation...
- Q A population starts out 10% BB and 90% Bb. The population sizeis large, mating is random, there are no new mutations, and nomigrations. B is dominant.Let t = the allele...
- Q The germline mutation rates tend to increase along withhigher H3K9me3 levels (a type of histone). Please support this withspecific examples (ie genes that have high germline mutation ratesand have high...
- Q Calculate the number of ATP produced (or consumed) by conversionof Leu to acetoacetate using this overall conversion :2 Leu →  3 acetoacetate + 2 NH3(Hint: use the enzymes you learned for...
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