Biology question and answers for July 10, 2023
- Q 9. Discuss the arguments for and against the classification ofviruses as living organisms.10. You are growing Bacillus subtilis in nine16,000-liter fermenters to produce enzyme for industrial use. TheBacillus cultures had...
- Q Â Â Â Â Â Â Based on what you have learned about antigen presentation, T cells,and viral infections, describe the process of antigen presentationof COVID-19 to CD8+T cells. Include how the virus enters the cells,is...
- Q Diffrent groups of organisms had to overcome as they evolved tolive in terrestrial environments. What do you see as the biggestobstacles that different groups of organisms had to overcome asthey...
- Q Describe the innate immune responses to COVID-19 infection. Besure to include the IFN response, and the innate immune cellsresponding to viral infection (and the mechanism how the do it). Inaddition,...
- Q Provide three examples of the exchange of vital substances inanimals.- For each substance- List the substance List organs or organ systems involved inthe exchange of the substance in humans- Describe...
- Q 5. You extract chromosomal DNA from 5 cultures of bacteria givento you by another researcher. You are trying to determine if any ofthe cultures are related to each other, or...
- Q True or False1.  Chromosomecan be thoughtof as the more highly condensed form of DNAthat is seen in the cellduring the mitotic phase portion of the cell cycle.2. The sporophytecells of a...
- Q Probes used in Medical Imaging establishments contain multipletransducers in a fan arrangement. How might more transducers over arange of angles improve the quality of the ultrasound imagescompared to the scan...
- Q Describe one ion and one other substance that can beasymmetrically distributed within the body of an animal.- For each substance Describe the asymmetry (which compartmentshave higher/lower amounts)- Describe how the...
- Q Areholograms part of GS1 standards in pharmaceutical sectors? Why orwhy not?
- Q Calculate the membrane potential of a neuron at standardtemperature under each of the following conditions: a. Theconcentration of sodium, potassium and chloride is the same on boththe inside and the...
- Q Hours before an exam, you eat a chicken sandwich. During anexam, your brain needs energy to remember answers to questions.Explain how this happens. Trace the path of glucose molecule fromstarch...
- Q describe the process of protein synthesis. include thesequences involved, molecules participating and why is this processimportant. draw structures or molecules involved
- Q Explain how a single point mutation in the DNA sequence can havea damaging effect on the final protein. Provide a detailedexplanation and include reasoning in regard to the transcriptionand translation...
- Q Explain where proteins are synthesized and then trace differentroutes taken by various types of proteins from the site of initialmanufacture to the ultimate destination in the cell.
- Q A promoter is ______.a.a sequence in DNA that brings RNA polymerase near the site fortranscriptionb.one or more eukaryotic proteins that bind to DNA near the startof a genec.a protein that...
- Q What is the numbering scheme for naming fatty acids.
- Q Describe one of the following theories and discuss whyyou agree or disagree with this theory. You can use one of theother theories to support your position.a. Theory of moral development...
- Q Indicate whether each of the following statements (a-e) is TRUEor FALSE.  If you think a statement is FALSE, explainwhy. (10 pts)a.  TRUE / FALSE  Graft rejection ismediated by pre-existing host T cell effectors...
- Q Consider the following allele frequencies for three SNPsSNP1SNP2SNP3AfricaA:20%,T:80%G:70%,T:30%C:20%,A:80%AsiaA:50%,T:50%G:20%,T:80%C:20%,A:80%South AmericaA:60%,T:40%G:80%,T:20%C:70%,A:30%Write down all possible 27 genotypes for these three SNPs.Can someone please help me? Showing all the steps. I don't knowwhat to...
- Q write aboutWhat is genetic variation (diversity)Then types of variation ( gene flow, mutation evolution eyc)Then explain each type with examples
- Q Describe three ways to tell if a specific neurotransmitter issynthesized and stored in a particular neuron.
- Q Explain the concept of Hebbian modification of synapses and whyit is important both to brain development and memory formation.
- Q What is a MAPK cascade and what is the sequence of MAPKactivation?
- Q 1. A pea plant with genotype TtggFFRr is testcorssed.A) What is the genotype of the test parent ?  B) What would be the probability of offspring with genotypettggFfrr ?
- Q Ebola virus is a virus that is frequently and rapidly lethal inhumans. The envelopes around particles of Ebola virus are studdedwith a viral glycoprotein (GP). Researchers hypothesized that, toenter a...
- Q Although mitosis and meiosis share some similarities, theydiffer in several significant ways. In an essay of between 100-150words, give one purpose of mitosis and one purpose of meiosis.Explain why these...
- Q A cell is LEAST likely to require a transport protein to movewhich of the following molecules across its membrane?:(A) Sucrose(B) Hydrogen ions(C) Carbon dioxide(D) Chloride ions
- Q Define:a) Tight Junctionb) Adherens Junctionc) Desmosomed) Gap Junctione) Hemidesmosome
- Q 1. Provide a chemical reason for why Na+ ions are associatedwith ds-DNA relative to single strands.2. The addition of Na+ ions stabilized ds-DNA. Can you suggestother types of chemical species...
- Q Complete the following statements to describe howindependent assortment contributes to genetic variation. Not allchoices will be used.During independent assortment, ____________ chromosomesseparate.This separation is ____________ ; it is due to their...
- Q 1.    How does each of your mutationsaffect the amino acid sequences? Are the mutations missensemutations, silent mutations or nonsense mutations?a.    Point mutation?b.    Frameshift-insertion?c.    Frameshift-deletion?2.    What differences did you noticebetween the...
- Q A brown-eyed, right-handed man marries a blue-eyed, right-handedwoman. Their first child is blue-eyed and left-handed. What are thechances of having another child who is blue-eyed andleft-handed?A) 25B) 12.5C) 75D) 50
- Q what are two ways that humans have altered the environment offishes? pls give two examples of how these have negatively affectedthem. pls help
- Q Trace the fate of the isotopic label from [2-13C]-alanine toglucose
- Q it is a tall plant with clear xylem and phloem, the gametophyteis dependent on the sporophyte and there are seeds. It could beeither _______________.
- Q 1. Generally speaking, overall do you think Americans arehealthy? Why or Why not? Please describe some areas where we arehealthy and some areas we are not healthy. Â Â 2. Where do...
- Q Amyloid precursor protein (APP) is an integral membrane proteinwith important functions at synapses between nerve cells. It iscleaved within the membrane to release an extracellular peptidefragment called Ab. When Ab...
- Q You’re working as a travel agent and you’re planning onadvertising trips based on the terrestrial biome associated withspecific destination cities or countries. Prepare a minimum of 150word ad for a...
- Q Which of the following is considered the LEAST important factorin controlling zonation in the rocky intertidal?space competitionpredationsalinitydesiccation tolerance
- Q Describe the structure and function of wing coupling mechanismsin insects.
- Q 1. Distinguish between “genome-wide†selective sweeps, versus“gene-specific†selective sweeps. Which of these would you expectto find in bacterial populations? Why? How could you distinguishbetween them? Discuss several reasons (as many...
- Q Describe six different molecules that compose the extracellularmatrix.
- Q GENETICS:Given: AaBbQuestion: Make AaBb go through mitosis and meiosis. Draw themstating AaBb Mitosis, and AaBb Meiosis.Will give a thumbs up if given the correct information. Thankyou for your help.
- Q describing the techniques introduced in the Immunology lab andhow it relates to COVID 19 testing and research.all the laboratory techniques and compare and contrast on whatcan be learned from each...
- Q ATCase perfrorms the first step in CTP synthesis using aspartateas a substrate. It is a wonderful example of allosterism:a) Describe the quartenary structure of ATCase. To get youstarted remember that...
- Q 1) Selective IgA Deficiency is the most common type ofimmunodeficiency reported for Caucasian populations. It is alsostrongly associated (by statistics, not because of co-location on achromosome) with multiple types of...
- Q Many studies depend on eDNA to collect samples from aquaticenvironments because:A. DNA disperses and remains free floating in a body ofwaterB. An electric current is run through water to collectnegatively...
- Q The shape of an underlying coalescent tree directlydetermines:a) the distribution of fitness effectsb) the site frequency spectrumc) the effective population sized) the mutation ratePlease explain how you got your answer:)
- Q What were the first hominin fossils found? Why were these notenough to prove that humans evolved from primate ancestry? Whatsort of evidence would be needed to support that claim? (200-250wds)
- Q using four good examples fromdifferent fields, discuss why a basicunderstanding of evolutionary biology has practicalvalue for people who are not research biologists
- Q Consider the principles you have been exposed to from thestudies of Drosophila embryogenesis. This does NOT mean describethe stages of Drosophila embryogenesis. Another way to think of itis: taking into...
- Q what is the fuction of these follwoing in Vector?CMV promoterSV 40 poly ASV 40 origionhGH poly Af1 origionAmpneopUCpBR322kangene XT7 promter6xHisLacOColE1 oriM13 ori
- Q If steroids improve athletic performance and they occurnaturally in our bodies, why is taking them any different fromtaking vitamin pills or other nutritional supplements? Consider thedifferent roles that nutrients and...
- Q Do every MHC class II molecule on a single dendritic cellpresent the same peptide fragment?
- Q Why is physical health as important as mental health? Give threepieces of evidence, And give a detailed explanation for each.Thanks!
- Q During Diabetic Ketosis when insulin is absent, fats arereleased and processed by Beta-oxidation. Which of the followingstatements are TRUE:i) Acetyl-CoA reacts with oxaloacetate to createalpha-ketoglutarate and processed by the TCA...
- Q Outline (with words) the process of photosynthesis. Include thefollowing forms of energy and molecules: sunlight; carbon dioxide;glucose (stored chemical energy); water; ATP; heat.
- Q I Have an assignment which is requiring to me to draw scientificcorrelations between 3-6 parameters of data collected.The datacollected was in regards to BMI, height, weight, resting heartrates before and...
- Q The atmosphere acts as a reservoirA Water cycleB Carbon cycleC Nitrogen cycleD Phosphorus cycleE None of themF All cycles are correct.
- Q What is the purpose of 1% agarose gel electrophoresis? Why isTAE buffer used during this procedure?
- Q A mutation replaces the original amino acid, leucine, withthreonine in a large protein. The altered protein still functions,but less efficiently. What amino acid might replace leucine butwith less effect on...
- Q Using the words below, explain this questions in a paragraph.According to the field of biology, what explains the variety ofreproductive and survival strategies that have appeared anddisappeared from living organisms...
- Q 1. What are the Detection Methods for Carbohydrates, Lipids, andProtein?
- Q how sedentary lifestyle and loneliness affect the older peoplewho are suffering from coronary heart disease and what are thesolutions for getting out from it. and describe the policy whichare suitable...
- Q 3. Describe the structure of a class I MHC molecule AND a classII MHC molecule with the following prompts:a. number of polypeptide chainsb. domains of each polypeptide chain, including transmembraneand...
- Q Which of the following statements about fertilization isTRUE?Fertilization restores the haploid chromosome number.Fertilization stimulates the initiation of development.Fertilization cannot determine the sex of the offspring.Fertilization permits the formation of gametes...
- Q Describe the process occurring at each feature during theelongation phase of translationcan u tell me please ans its a 10 marks question
- Q Explain where the energy for each step comes from and what otherproteins are involved.can u tell me please its a 7 marksDraw the generalized structure of a ribosome and labelthe...
- Q Explain why complement activation can lead toinflammation. (include C3a, Ca, and C5a in the answer and how theyplay a role. Then, explain why complement activation can possiblylead to opsonization.
- Q Give an overview of how Serratia Marcescens, Mycobacteriumsmegatis of bacteria might affect us as humans.
- Q ******biology*******Compare and contrast between the two ATP generating energysystems: phosphagen system and the anaerobic glycolytic system.Base your answer on five different properties of each system and/orthe type of activities they...
- Q What modifies the packing of DNA around histones and determinesthe accessibility of transcriptional molecules to target genes?
- Q 1. How do the three objective lenses on the microscope you useddiffer and what are the advantages and disadvantages of each?2. How variable were the lengths of Paramecium caudatum cellsrelative...
- Q What are two regions that would be good targets for a test thatwould detect BOTH SARS-CoV and SARSCoV-2 ?
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