Biology question and answers for September 30, 2023
- Q Describe how the Poliovirus replication cycle occurs.
- Q Body fat has a negative connotation in our society, but fat isactually essential for the proper functioning of the body. Don’tforget your citations. (5pts)Why do our bodies need fat?What happens...
- Q Please give an overview as to how the fear system works from thefollowing perspectives:How can an animal be fear conditioned and what are the neuralcircuits involved?How can a human be...
- Q 10. Consider the simplified scenario for genetic determinants ofheight in humans, where there are three genes (A/B/C) with varyingnumbers of alleles (3/3/2) affecting height, and with differenteffects in males and...
- Q 1) Charles Darwin's argument for natural selection can bepresented in a variety of ways. In class we discussed fourpostulates for natural selection (note: a reasonable statement orassumed truth used in...
- Q In this lesson, you created a summary of some of the experimentsand knowledge that led to the discovery of the DNA molecule.Attention Students: You may want to go through Module...
- Q 3) You have four tubes containing thesame DNA at the sameconcentrationin each tube (pH 7.5) but underdifferent environmental conditions (listed below).  TheTMfor this DNA molecule is 78°C at physiological saltconditions (~100...
- Q What is the significance of the Asgard group of Archaea tounderstanding the evolution of eukaryotes? What sorts of proteinsare encoded by the Asgard genomes? Asgard is enriched for genesthat were...
- Q Flower color in pea plants exhibits complete dominance as thepurple allele is completely dominant over the white alleles.A) Out of 276 pea plants, 273 have purple flowers. Assuming thepopulation is...
- Q What is used to “digest†DNA?Select one:A. Agarose powderB. Restriction enzymesC. TAE bufferD. PipettesWhat is DNA’s electrical charge?Select one:A. PositiveB. Alternating (Both positive and negative)C. NegativeD. NeutralEcoRI recognizes which of...
- Q 3’ TACTYCATAACTGC 5’ 5’ ATGAAGTATTGACG 3’ What is the product oftranscription? Which enzyme will complete transcription? 3’TACTYCATAACTGC 5’ 5’ ATGAAGTATTGACG 3’ What is the product oftranslation? Give a silent mutation...
- Q Determine the correct answer and explain why it iscorrect. Identify why the other options are notcorrect.Which one of the following correctly describes how theacetyl-CoA is metabolized in the mitochondria?One molecule...
- Q 1)Compare Eukaryotic and Prokaryotic Cells.
- Q Mendelian GeneticsIn tomato plants, the gene R has two alleles that control fruitcolor: the R allele is dominant and produces red tomatoes; ther allele is recessive, and when homozygous produces...
- Q You may choose more than one answer. Which of the following is amechanism of signal amplification in the cAMP-PKA pathway?One signal molecule, epinephrine, activates lots ofG-proteins.When activated, adenylyl cyclase synthesizes...
- Q Should we be worried about low genetic variation in smallpopulations of endangered species? Focus your answer in at leasttwo different endangered species
- Q Discussion Topic: Teaching Chemistry forUnderstandingRe-explain the following topic as if you were teaching it toothers in a way they can understand it.Explain Enzyme Structure and Function in aminimum of 200...
- Q Disciplinary MeasuresThe appropriate disciplinary actions needed are not alwaysapparent to those involved. That is one reason your textbook willbe a wonderful reference book and a great start to yourprofessional library....
- Q Many individuals have contributed in the discovery,understanding, and explanation of illness, injury, and death. Forexample: discovery of microscopic organisms, later called microbes,bacteria, and microorganisms; and advanced chemistry and histologywhich influenced...
- Q Because the interior of cell membranes is made of non-polarmolecular regions, drugs with acid-base properties are betterabsorbed by cells when their most abundant form is not electricallycharged (not an ion)....
- Q 1. Which is the earliest species of hominin to be found outsideof Africa?2. List a couple features of \"archaic\" Homo sapiens, as comparedto Homo erectus3. List a couple features of...
- Q Explain the different steps that you would go through to if youdecide to have prenatal genetic testing. (4 pts)
- Q Record your estimate of neurocranial size relative to face size,and the presence or absence of postorbital construction ofprimates. (Use ratios)Just use your best guess, was given no other information
- Q Discuss a different good microorganism (e.g., a bacteria orfungus) and the benefits of this good microorganism. Be sure toproperly cite your source for the microorganism you havechosen.
- Q According to the CDC, more than half of all Americans consumed asupplement in 2012. Supplements are common in our culture, and manypeople think they need to consume a supplement to...
- Q To gain further understanding of some functionality of thebrain, complete the following: outlining what functionality couldbe affected if an individual suffered damage to the cerebralcortex. Be sure to explain about...
- Q 1.Review and discuss the components of the cardiovascular systemthat play a role in the body’s defenses, as well as theirendocrine-related regulatory mechanisms as necessary. (Hint: theheart and blood vessels generally...
- Q Which one of the following would Ferdowsian and Hope (2011) mostlikely reject?A) the three R’s are a very important ingredient of animal researchethics.B) existing codes of ethics for animal research...
- Q There are many important physiological parameters that areregulated by both the nervous system and the endocrine system (e.g.blood pressure, blood glucose levels). Make the case for why thisdual regulation by...
- Q How can integrated viruses influence the behavior of cells?
- Q Describe an approach to identify pharmacophores andauxophores.
- Q Photosynthetic pigments are present in green peppers, redpeppers, and carrots, so can red peppers, green peppers, or carrotscarry out photosynthesis? Please explain in detail.
- Q You are studying the part of the brain that mediates stress. Youhave treated some mice under stressed conditions and you also havecontrol mice. You isolate the appropriate brain regions from...
- Q In lab you are going to be using drosophila flies with sepiamutations (SE, se) causing brown eyes found on chromosome 3 andapterous mutation (AP, ap) on chromosome 2 causing loss...
- Q Which of the following arecharacteristics of a population?All members belong to the same species.There is interaction between members.There is interbreeding among members.All members live in the same geographic area.All of...
- Q Explain how the electron transport chain functions to generateATP in terms of electroncarriers, oxygen as the electron acceptor, the four inner membraneproteins, the hydrogenconcentration gradient, water and ATP synthase.
- Q Describe the two adaptive immune responses (B cells and Tcells) that respond to changes in cells in our body such asinfections or cancer.
- Q Discuss one way fungi interact with another organism in aparasitic or mutualistic way.
- Q HLT class. Health promotion and disease preventionName two types of genes that the epigenome controls and thathave an effect on cancer?
- Q A black haired mouse was crossed to a hairless mouse. Since itlacked hair, it was impossible to tell if its hair was black orbrown. All the F1 progeny had black...
- Q 1. What are the various types of B cells, and how do the typesdiffer?2. What are the various types of T cells, and how do the typesdiffer?3. How does an...
- Q Research the role of Pasteur, Koch, andLister's contributions to Germ Theory of disease and theircontributions to long term immunity. Are their contributionsrelevant in today's health-care community?
- Q 2. Describe how information storage and processing andreplication of genetic information may have taken place in apopulation of RNA-based life-forms on the early Earth.
- Q How is growth measured, both directly and indirectly? What arethe advantages and disadvantages of each?
- Q What effects does drug addiction have on SOCIETY, includingfamily and friends?( 8pts) Explain each.
- Q What are the two different mechanisms where someonecould be born with down syndrome? detail is required in order toshow how the zygote will have the correct number ofchromosomes
- Q What is the age structure of a population. Explain how itaffects population growth and economic growth. What are someproblems related to rapid population decline due to an agingpopulation?
- Q Describe how organisms are placed in the Three Domain (Woese-Fox)classification system vs how organisms are placed in the FiveKingdom (Traditional Wittaker) classification system. Whichclassification system is more useful to a...
- Q 1)One of the greatest advances in early paleontology was therecognition by Cuvier and others that “the history of life…waslong, mutable, and full of fantastical creatures that no longerexistedâ€this passage relates...
- Q What is an amyloid?Are all amyloid structurally the same? Provide examples tosupport the case.Please be detailed in response
- Q The transport of ions across cell membranes is a key part of theprocesses of generation and conduction of action potentials inneurons.a) Why do ions require an integral membrane protein in...
- Q During an incremental maximal exercise test what would a normalresponse be to HR, SBP, DBP, Ventilation, EKG. Also, what would anabnormal response be for each?
- Q The French taxonomist who, in 1809, proposed the first testableevolutionary theory that organisms using body parts repeatedlywould increase their abilities was
- Q Provide a discussion what it means to say that our brains areflexible. Provide at least one example, based on research thatsupports the fact that our brains are not a fixed...
- Q For each of the following questions, give the correct answer.However, don't just answer the question. For each answer choice,you have to provide at least a paragraph response on why thatanswer...
- Q Anaerobic Cultivation -- Microbiology Laba. What are the steps of anaerobic cultivation?b. Why are two different broths used (nutrient agar andthioglycolate medium)?c. Nutrient agar is great for bacteria that love...
- Q What is the positive aspects of biome research project,and What is the difficult aspects ofit?
- Q What would the effect be if each of the differentsub-units of E.coli DNA polymerases were notfunctioning?
- Q Part A: In common terms, explain how muscles grow with the giveninformation. Daniel has recently begun a resistance trainingprogram with the goal of muscle hypertrophy. The plan you suggestedfor him...
- Q Please create a concise survey and report for thecommercialization of Exome-sequence technologies, thank you.
- Q Watch the Ted Talks video and answer the followingquestions.Clay Shirky: How Social Media Can Make HistoryAt the start of Shirky's presentation, he discusses fourperiods in the last 500 years where...
- Q 1)Which of the following are TRUE about the process oftranslation? (Select all that apply)Transcription factors attach to the mRNA to promote itscircularization in the cytoplasmBinding of the large ribosomal subunit...
- Q explain how an action potential is generated in a nerve cell. besure to incorporate and explain the following terms in to yourresponse: action potential, repolarization, threshold, restingpotential, depolarization
- Q Explain epigenetics by discussing specific molecular modificationsand enzymes. Does epigrnetics support the work of Jean-BaptisteLamarack? Why or why not?
- Q Can anyone explain the structure and complex of Fatty Acidsynthase I? I know the purpose of the enzyme, I just need a goodexplanation of how it works and moves the...
- Q explain Plant adaptations to light, water, temperature, physicalenvironments
- Q Describe briefly the process of photorespiration and present oneof the two plant adaptations that reduce photorespiration, i.e.crassulacean acid metabolism (CAM) or C4 photosynthesis. You DO NOTneed to present the different...
- Q Interrupted coding sequences include long sequences of basesthatdo NOT code for amino acids. These noncoding sequences, called________, are found in ________ cells.exons; prokaryoticintrons; prokaryoticexons; eukaryoticintrons; eukaryoticnone of these are correctWhich...
- Q Marty Macrophage has just been disqualified fromswimming in the Olympics for blood doping. He claims that itwas “all natural†and he used only his own blood – no artificialsubstances -...
- Q The AseI restriction enzyme recognizes the sequenceATTAAT. Which of the following prokaryotic genomes will on averageyield thelargest fragments after cutting with thisenzyme?a.The AseI enzyme will not cut prokaryoticDNAb.S. aureus (G+C...
- Q describe at least two examples of mutations that provideevidence supporting the notion that mutations accumulatecontinuously
- Q What are cadherins and how do they function? Why doesdifferential cell adhesion and or the extracellular matrix matterto embryogenesis?
- Q Foreach of the three assays (Bradford, Biuret, Folin-Ciocalteu)indicate what part of the protein reacts with the color forminhreagent and how does this specifically detect protein in asample
- Q Describe the application of molecular testing to newbornscreening for cystic fibrosis (CF)
- Q Discuss Xeroderma Pigmentosum in terms of DNA repair failure(Need to be thorough and specific. You may group the enzymes as totheir specific functions such as helicase, endonuclease, ssDNAbinding, etc.).
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