Biology question and answers for August 31, 2023
- Q 2. After your frustration with tissue culture, you finally getyour cells passaged and decide to set up your cDNA synthesisreaction, PCR, and agarose gel. You have extracted RNA from yourcells,...
- Q In the species A of crustaceans, Ubx is expressed in segments5-10. In the species B, the Ubx expression has expanded anteriorlyand the gene is expressed in segments 4-10. The cis-regulatoryregions...
- Q Genetic mosaics are created within the proneural clusters in thebackground of a heterozygous Notch-/+ organism. One of the cellswithin such a cluster gets a Notch-/Notch- genotype. Predictwhether this cell will...
- Q 3.) .) Which of the following is NOT a part of Mendel’s Model(as described in class)?A. If the alleles at a locus differ, the dominant allele determinesthe organism’s appearance.B. For...
- Q Inter-specific interactions have evolved over many generationsand been preferred by natural selection that is why theseinteractions continue today. Discuss this statement with referenceto at least five (5) types of inter-specific...
- Q Take a recent drug advertisement from a journal and retrieve 2journal references mentioned in the advertisement to determine ifthe truly spurt the claim in the ad ( seemedscape.com/viewarticle/726442 for ideas...
- Q Describes extensively the action of enzymes. (Bibliography)
- Q 4. What does enzymatic kinetics imply and how can we classifyit? (Bibliography)
- Q 1.Explain characteristics and tests used by microbiologists toassign bacteria to different taxonomic groups.2.Some prokaryotes play essential roles in the ecology of thebiosphere. Give examples and describe their impacts.
- Q ifcellular respiration is blocked , can cells switch to a backupmethod for making ATP?
- Q Problem III. A very large population of aflowering plant species occurs in a lowland meadow. A smallpopulation of the same species occurs on a remote mountainousregion more than 200 km...
- Q 1) Describe the route that water follows as it passes through aclam starting from the incurrent siphon and finishing with theexcurrent siphon2) Members of such a large and diverse phylum...
- Q The efficacy of a drug is dependent on a therapeuticconcentration reaching its target site of action. If the too littledrug is present there may be no therapeutic benefit, too much...
- Q Briefly, how does the chain termination method work? Make sureto discuss the role of ddNTPs.
- Q Using a 10x objective, you find that your field of view diameteris 1.8mm. Using the equation from procedure 2.3, what is the fieldof view diameter at the 4x objective?
- Q Iwould like to know how topoisomerase 1 and 2 works e what is thedifference between negative and positive supercoiling.
- Q 1.Why is system biology needed?2. What types of tools, approaches,methodologies andtechnologies are used in system biology ?Please answer both questions
- Q Track the ingestion and digestion of a ham-and-cheese sandwichon whole wheat bread with lettuce, green pepper, and tomatoes.Describe the fate of this sandwich from the time you eat it. Bevery...
- Q 6) How is the lac operon regulated if the bacteria is put intoan environment where there is excess amount of lactose and glucoseat the same time. (10 pts)
- Q The opiates can be considered as “Jekyll and Hyde†drugs becauseon one hand they can be used therapeutically for a number ofconditions especially pain management and on the other this...
- Q The DNA sequence AAAGGGCCCCGGGCCCC could be considered amutational hot spot becauseGroup of answer choicesit contains more G/C than A/T and therefore is unstable.it is repetitive and therefore would be shortened...
- Q *Please don'tanswer with photos, DONOT UPLOAD PHOTO, it's hard toread.I post this question twice, please don't answer this post if youalready answer the other one, if you can answer different...
- Q Maintenance of cellular redox homeostasis relies on a freshsupply of high energy electrons. What is the ultimate source ofthose electrons? Explain.
- Q Essay: Short Essay: Write a logical and factually correctparagraph on the following topic, using correct English grammar,punctuation, and spelling. Be concise. Write your essay in thespace provided below. Please write...
- Q 1. Research one of the invasivespecies from the list below (or any other invasive species).Zebra musselCane toadAsian carpKudzu wineWater hyacinthEuropean starlingEuropean rabbit (invasive inAustralia)Gypsy mothLionfishBurmese python2. Describe the species, uploada...
- Q Explain, in your own words (150~300 words), why the commonconception of a “gene for trait X†may be misleading. [Hint: Thinkabout what the connection between a genotype and a phenotype...
- Q a pulmonary bolus is a piece of blood clot, adiposetisse, or other substance that lodges somewhere in the pulmonarycircuit.                                                   a. Henry has pulmonary embolus lodged in one of his pulmonaryarterioles. trace...
- Q Wild harebells have blue flowers. Two strains of harebells carryrecessive alleles that give the plants white flowers.a. Describe a cross to determine whether the white-flowercausing alleles in these two strains...
- Q Most drugs cannot be excreted unchanged by the body but have togo through the process of drug metabolism. Drug metabolism enablesstructural change within the drug allowing for its’ eliminationfrom the...
- Q List & describe the various characteristics thatdistinguish living things from non-living things.PropertyDescription
- Q 2) (i)What does KM mean experimentally in terms of what you addin an Eppendorf tube? (ii) How does it differ from KD?
- Q 1) You are screening a population of 350 island sheep for coatcolor, and you count 100 black sheep and 250 white sheep. What isp, the frequency of the “black†allele...
- Q You are wanting to breed a herd of super-cattle, which will beheavier than other cattle in Nebraska. You start with a populationwith a mean weight of 1450 lbs. You select...
- Q What are the different types of variations in composition andarrangements of chromosomes?What are deletions, duplications, inversions andtranslocations?What are karyotypes and how can they help us measure chromosomenumbers and variations?What are...
- Q propose a mechanism by which chemotaxis is used by E. coli tomove away from a repellent.In particular, think about the following:Describe the interaction between the chemoreceptors and thetwo-component regulatory system...
- Q 1. explain in detail Caughly’s research on kangaroos2. IN DETAIL what are the definitions of fundamental andrealized niche. using examples: (especially the barnacles and tigerbeetles)3. IN DETAIL what are the...
- Q Please answerwhat are endospores and describe (structure and function) and Whymight endospores give a species of bacteria a competitiveadvantage and What primary and secondary stain will we beusing during the...
- Q Cancer is genetics but is not inherited. This means that allcancer cases happened due to damages of the DNA but it will not bepassed into future generations, what do you...
- Q Theaverage weight of a line of oranges is 16 g. Average juice contentof the fruit is 28 ml. farmers one to select for smaller orangeswith a higher juice content. You...
- Q 1) LIST THE CHARACTERISTICS THAT UNITE THE MOLLUSCS ANDANNELIDS.2) Compare the circulatory system of the heart for fish,amphibians, reptiles, birds, and mammals.3)Define a mammal and distinguish between the three major...
- Q How can independent assortment of alleles during meiosis lead tonew combinations of alleles of unlinked genes?How do crossing-overs cause new combinations of alleles oflinked genes?What are the determinants of gender...
- Q Identify 3 taxa of hominin with standard binomial nomenclature,what specific sites those hominin have been found at, and who namedthose taxa.Often referred to colloquially as “Lucyâ€, which species ofearly hominin...
- Q What is chromatin and how can it be remodelled?What information does chromosome banding provide us?What is repetitive DNA and how are they organized in thegenome?What is meant by ploidy, aneuploidy,...
- Q 1.1 Maria is a genetic counselor and has a son who looks verymuch like her. Total strangers often say “He is your littleclone—he looks just like you!†She’s tempted to...
- Q Describe the differences between the classical and thelectin pathway of the complement system?
- Q 3. Which would be more accurate in terms of determiningnumbers of viable bacterial cells in a population: an estimation ofturbidity in broth, or a standard plate count? Why? Discuss sourcesof...
- Q Hagrid is rushed to the hospital after experiencingsevere heart palpitations. The emergency team diagnoses it assupraventricular tachyarrhythmia and immediately administers an IVrescue medication. The administration does not act as potently...
- Q 1) You are performing an endospore stain of a 72 hourClostridium sporogenes culture. You forget to turn on the heat onyour water beaker. What will you see under the microscope:a)...
- Q 15. Young rainbow trout were sampled along a river to study thepopulation and determine if recreational fishing or other factorsmight be affecting the size of the population.A. In the first...
- Q Two autosomal genes control horn color in dragons. Pure-breedinggold-horned dragons were mated to pure-breeding silver-horneddragons. All of the F1 were gold. The F1 were intermated and the F2generation consisted of...
- Q 15. Young rainbow trout were sampled along a river to study thepopulation and determine if recreational fishing or other factorsmight be affecting the size of the population. A. In the...
- Q Explain in detail the events that take place during theextravasation or neutrophil transmigration from the circulation tothe connection tissue during inflammation.
- Q Your colleague has isolated a mutant bacterial strain and foundthe dna 5x10^8 bp in length. she has asked you to do restrictionmapping. you start by determining the base composition of...
- Q Let’s say that a population has N individuals (2N alleles) ingeneration t. It suddenly undergoes a population expansion suchthat the t+1 generation has 100N individuals (i.e.200N alleles).How does this change...
- Q 1. Describe the different functions of the conducting zone andrespiratory zone and relate those to differences in theirhistology.2. State whether hyperventilation and emphysema would raise orlower each of the following—the...
- Q To try and determine what type of virus it is, you gathered thefollowing information:The capsid is surrounded by a plasma membrane that resemblesthat of an animal cell. After its genetic...
- Q You have just eaten a raisin. Â It is in yourmouth now. Â Where does it go from here? Â Follow all theway through the digestive system
- Q Heart muscle contains a form of PFK-2/FBPase-2 that is differentfrom that in liver. In heart muscle, phosphorylation ofPFK-2/FBPase-2 by protein kinase A (also called cAMP-dependentprotein kinase) activates PFK-2 and inhibits...
- Q Part II: For the following questions, provideyour response in short-answer format (3–5 sentences each). Use thisPhase’s activities and resources to assist you in answering.1.          Howdoes the vegetation surface type affect...
- Q Predict the function of the zebrafish gene represented by theExpressed Sequence Tag (EST), EH489154. Your analysis shouldinclude information about any open reading frames (if any), proteindomains (if any) and any...
- Q Reactions require energy. The reaction that adds a newnucleoside to a growing chain of DNA requires energy as well. Wheredoes this energy come fromWhat is the name of the enzyme...
- Q Muscular Dystrophy (BMD), and an individual with Duchene’sMuscular Dystrophy (DMD).DNA Sequence (1141-1200 bp)WT#1cagaatgaa gcagagcca gagtttgct tcgagactt gacacggaa ctcaaagaacttaacWT#2aagaatgaa gctgagcca gagttcgct tcgagactt gacacagaa ctgaaagaacttaacWT#3aagaatgaa gcagagcca gagtttgct tcgagaatt gagacagaa ctcaaagaacttaacBMDaagaatgaa gctgagcca gagtttgct...
- Q Explain how resource partitioning may lead tothe following two processes :modification of a population's realized nichespeciation.
- Q Peas heterozygous for three independently assorting genes wereintercrossed.(example cross: Aa Bb Cc x Aa Bb Cc )What proportion of the offspring will be homozygous for one geneand heterozygous for the...
- Q Describe the biosynthesis of human papillomavirus (HPV). Discussthe transcription of the virus genome into new virion particles.Make sure to include if your virus must package any special enzymesin order to...
- Q Summarize the Jared Diamond Ted talk,  how it relatesto the book Psychology of Aging: A Biopsychosocial Perspective.
- Q 1. What Region of visible light spectrum yields the highestphotosynthetic rates in spinach? What regions yield the lowestphotosynthetic rates? How do you know? (See graph below)2. 2. Green photosynthetic pigments...
- Q I have two questions based on the Genome of SARS-CoV-2. I wouldlove to see your sources that you used as well, thanks! (I willleave a positive review.)1. What proteins are...
- Q HIV is considered a chronic infectious disease. With access tohealth care and adherence to suggested HAART therapy, people areliving normal lives through their late adulthood without AIDSprogression. Let's talk a...
- Q When does the chemical formula (formula unit) of an ioniccompound indicate about the structures that make up thecompound?A) Smallest natural radio of ions presentB) The amount of charge on each...
- Q Assume that a chemical of concern has a concentration of 12 mg/Lin drinking water. Determine the dose of the chemical for adultsand children. What is the cancer risk associated with...
- Q 1. Liz has recently been diagnosed with hypertension and told tocut back on her dietary sodium. Explain how sodium affects bloodpressure and provide practical suggestions that would help Lizreduce her...
- Q Disc 1No unread replies.No replies.The following Critical Thinking questions are meant to providedeeper understanding of biology topics after students havewatched this week's Panopto lectures. Attempting to answers thesebefore lectures have...
- Q What are the consequences of flu virus evolution for vaccinationstrategy? (in-depth please)
- Q if LIA tubes were accidentally prepared with noglucose how the results of the test ne changed
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