Biology question and answers for August 24, 2023
- Q Describe the ionic basis of an action potential and be sure toinclude the role of channels/gates within the cell membrane and howthis relates to a positive feedback homeostatic mechanism.
- Q Compare and contrast the structure, life cycle, and host celltype of naked and enveloped viruses.
- Q polymer that doesn't have memorywhat polymer has no memory
- Q BACKGROUND INFORMATION:Vinnie is a professional road cyclist participating in the 2020Giro d’Italia, a three-week race nearly 3,600 km in distance withsome stages exceeding altitudes of 2,700 m above sea level...
- Q 1. In DNA, the type of bonds that form the base pairing betweenthe bases, A::T and C::G are?a. ionic bondsb. peptide bondsc. H-bondsd. covalent bonds2. If you wanted to build...
- Q Explain the process of cortisol signaling. what kind of signalingis it? how does it affect the liver and skeletal muscle? whatpathways are enhanced?
- Q Antibody is prepared to the thr repressor proteinisolated from a wild-type strain.  Competetive antibodybinding assays show that several times more repressor is present inan extract prepared from the derepressed mutant described...
- Q What disease present with pinkish rash on hands and feet themarms and legs and fever in children
- Q Put the events of neural signal transmission at the synapse inthe order that they occur from first to last.First to Last1.Action potential arrives at synaptic terminal from axon.2.Vesicles in sending...
- Q How does the SOS system simultaneously fix damage DNA andincrease the mutation rate? How does the SOS system increase thesurvival of microorganisms?
- Q In lineage tracing experiments, embryonic tissues that arelabeled can be moved from a donor to the same region of a host. Thepoint is to watch to see what the marked...
- Q What is meant by genomic equivalence?Explain an experiment that supportsgenomic equivalence by providing functional evidence(Hint: think about what is meant by functional evidence orproducing dolly the sheep vs. descriptive evidence...
- Q What are common zoonotic infections in the US, and where are theymost prevalent?
- Q Please explain the difference between positive control, positiveregulation,negative control and negative regulation pertaining toDNA.
- Q Select all of the following that are true about a neuron’sfunction.1.An action potential occurs if the membrane potential exceedsthe threshold potential.2.A neuron expends no energy while it maintains a restingpotential.3.When...
- Q oRelate these molecules to each other with regard toactivation/inhibition, downstream consequences and functions.oIllustrate the structures of a GPCR & RTK and relate tomechanisms of translation discussed previously.oDevelop an experimental strategy...
- Q . A female patient has been suffering from continuous diarrheafor a week. The stool had a metal like smell. The patient is anurse at an Assisted living home. She felt...
- Q If you exposed an unknown bacteria to four differentbacteriophages. Susceptibility of the bacteria will be determinedby observing for the production of plaques. Describe how theseplaques are formed?
- Q The release of BMP and Fgf8 from the optic vesicle to theoverlying ectoderm-derived tissue results in the formation of theeye lens.Identify and briefly explain this type of signalingphenomenon?Why do some...
- Q Describe the whole genome tiling and ChIP assays.
- Q Whos is Rosalind Franklin? Where did she study and what was thetime period she worked? what was her experiment and result? whatwas her contributions to our understanding of DNA
- Q Relate the following complexes to cell-cell interactions(adherens junctions, desmosomes, tight junctions, & gapjunctions) or cell-ECM interactionsoCadherinsoIntegrinsoClaudinsoActinoCateninsoIntermediate filaments (keratin)oConnexinsoElastin/collagenoFibronectin/lamininoProteoglycans
- Q Some viruses have different spike protein. Explain whathappened to the gene which affected the protein that is producedbased on transcription andtranslation.
- Q . How could one design an ethical experiment that would studythe influence between Nature vs Nurture in child rearing? Basicallyan experiment to help with finding out if Nature or Nurture...
- Q What are corals? What is meant by a \"coralreef\"?How has climate change affected the Great Barrier Reefin Australia? What are the problems and the causes of theseproblems?What is meant by...
- Q What is meant by the term \"cotranslational disassembly\".To what sorts of viruses does it apply? How does it help to explainthe \"life-cycle\" of these viruses?1) Use examples from ssRNA viruses...
- Q Explain and give at least one example of each of thefollowing major themes (or strategies) in the control of RNA virusgene expression: linkage between replication and control ofexpression, multifunctional gene...
- Q You have just isolated a new strain ofGram negative bacteria that can catabolize the sugar aspartame.Genome comparisons to all other strains don't provide any insightinto the identity of this pathway....
- Q How do picornaviruses achieve cell entry and how doesthis process differ from that used by enveloped viruses? Whatcheckpoints are involved in the process? What are the roles of the“canyon†and...
- Q 1. A petri dish is inoculated with a single bacterium and theintrinsic rate of increase for the species is 0.5.a. What will the size of the population be after 10generations?b....
- Q The mechanism of DNA repair describe in details (more than1500 words)
- Q C3 deficiencies are typically lethal but C8 deficienciesare survivable. How are individuals with a C8 deficiency able tofight many types of infection?
- Q Explain the evolution and the diversification of the earlyamniotes into contemporary reptiles. Use a phylogenetic tree toillustrate your answer.
- Q After watching \"A world without microbes: An Apocalyptic ThoughtExperiment\" video1) What is the fundamental impact of microbes on this planet2) Which two items discussed in the video impressed the most
- Q Compare anterior vs posterior pituitary in mammals
- Q How did black children experience enslavement? How were theirlives and work different on a small plantation versus a largeone?P.S This is History subject
- Q What is the importance of the cell membrane in maintaininghomeostasis ?
- Q A picture of the crystal structure of Human P-type ATpaseprotein and a description of its 2°, 3° and 4° structure
- Q Can someone please, explain the different types of harsh habitatand the effect on this on our ecosystem.
- Q Selection has favored large body size in male kangaroos becauselarger male kangaroos are better able to access females thansmaller males. What type of selection is this?Group of answer choicesIntrasexualBoth C...
- Q Question 1Nitrogen and phosphorus cycles differ in what ways? (CHECK ALLTHAT APPLY)-Nitrogen cycle dependent on bacteria-Nitrogen cycle has an atmospheric component-Phosphorus cycle has no atmospheric component-Phosphorus enters food webs mainly...
- Q Jesse is interested in testing whether virus X causes disease intomato plants. Her experimental design is to infect tomato plantsfrom the green house with virus X and monitor for disease...
- Q The Class Amphibia is divided in three living orders: Anura,Urodela and Gymnophiona. Provide a detailed account of 1) thetypical life- cycle of an amphibian and 2) some specific patternsdistinct to...
- Q In addition to C.elegans and Drosophila, Zebrafish are also anothermodel organism - and have a spine. We're interested in twophenotypes, a curved spine and a gene that causes skin tumors...
- Q parts of the spinal cord significance( function andimportance) in the body
- Q Photosynthesis Light Reactions – Why is this like abattery?
- Q Examples of climate/ geography drives natural selection inhumans.
- Q Biochemistry:The carbohydrates of mammalian tissues include    , while the carbohydrates of bacteriainclude    .a.galactosamine…. glucosamineb.lactose… sucrosec.hemiacetals… hemiketalsd.proteoglycans… peptidoglycanse.NAG… NAM
- Q What came first? Describe the two hypotheses on the emergence ofagriculture. Which one is supported by the archaeologicalevidence?
- Q 1.1 What are the most important variables for controlling ionrelease rates in “SmartCap Technology� (1 paragraph)1.2 What are the essential factors that are important to gaingood phosphoric acid etch that...
- Q What and how is sexual dimorphism influenced? Radish vs.human. (Evolutionary Biology please give a broad and clear answer.thank you!!)?
- Q Science continuously moves forward and uncovers more and moreabout the human body. We have made monumental strides in humangenetics and this has led to recent discussions about patentinggenes. This sits...
- Q 1)Cystic fibrosis an autosomal recessive disorder caused by asingle gene, affects the lungs, the pancreas, the digestive system,and other organs, resulting in symptoms ranging from breathingdifficulties to recurrent infections. Which...
- Q Which most effectively describes therelationship between carrier and channel proteins?(Select all that apply.)A) Carrier proteins are passive transport mechanisms, butchannel proteins can be either active or passive.B) Carrier proteins are...
- Q Write a term paper on Extracdllular matrix and cytoskeleton
- Q Explain in detail why incubation time affects solubility. It hasalso been shown that the reaction of whey protein withpolysaccharides can improve solubility at pH 4.5. Why is thisparticularly important for...
- Q 1)A black guinea pig crossed with an albino guinea pig producedtwelve black offspring. When the albino was crossed with a secondblack guinea pig, six blacks and six albinos were obtained....
- Q Define sexual dimorphism and runaway selection
- Q 1. What is the ultimate reason that a health professional orscientist would be looking to see if a bacterial infection was gramnegative or gram positive? Explain your answer.2. Why might...
- Q a diploid human cell contains approximately 6.4 billion basepairs of dna. how many histone proteins are complexed to this dna?I know the answer is 2.9 x 10^8 but do not...
- Q a.) Why do cells divide or why do cells need todivide?b.) The differences in cell division process(es) betweenprokaryotic and eukaryoticorganisms.Be sure to provide details of the differences in alogical manner.
- Q 1. Brown algae have a stem, holdfast and blade. How does thiscompare to land plants?2. Algae you examined were a variety of colors, yet all containchlorophyll. How can this be?3....
- Q LOUIS PASTEUR and ROBERT KOCHBriefly describe the experiments that each personperformed to demonstrate the relationship between the arthropod andthe disease agent.
- Q In order to clone a DNA gene, it is inserted into a largervector. Why should the vector used be larger?
- Q How do phagocytes eliminate pathogens? What group of pathogensare most easily phagocytosed and why?
- Q 4. What is a segmental duplication? Are they common innatural populations? Give two examples, not found in your textbook,of how they could affect a person’s phenotype.
- Q Why is it expected to take at least a year to develop a COVID-19vaccine for the general public? List the steps that must betaken.
- Q When referring to MO BIO Microbial DNA Isolation kitprotocol...8. a) How is the DNA separated from the rest of the cell debrisafter the lysis step?b) Where will the micro-beads be...
- Q Explain how photosystems are used during the light reactions toconvert solar energy to chemical energy, and list what is requiredand what is produced by the light and dark reactions. Explain...
- Q outline the difference in the moles of actions oflipid soluble hormone versus water soluble hormones
- Q 1)Red-green color blindness is a sex-linked recessive trait inhumans. Two people with normal color vision have a color-blind son.What are the genotypes of the parents?A)XnXn and XnYB)XNXN and XNYC)XNXn and...
- Q 1.Normal fertilization requires changes in the membraneorganization of both sperm and oocyte and penetration of the oocyteby a single spermatozoon.a. What physical, cellular and biochemical molecular processesare necessary for the...
- Q Gas Transport: A trout swims from its normal cold water habitatinto a warm water cooling pond. Clearly this is a dangeroussituation. Heat shock isn’t an issue. It isn’t that warm....
- Q The following is a portion of the non-template DNA sequence fromthe human ras gene. Answer the following questions aboutthis gene and the effects of gene changes to the specified mutantsequence...
- Q Clearly Identify the Syllogistic Rule(s) broken and Name theFormal Fallacy or Fallacies committed in each of theseargumentative Passages:1) EAO-22) OOI-43) III-3
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