Biology question and answers for July 06, 2023
- Q Whyis meiosis necessary? Why can't organisms just use mitosis toproduce every single cell?How do independent assortment of chromosomes and crossing over(recombination) of homologous pairs contribute to geneticvariation?
- Q What are the major organisms are associated with food poisoning?What is the causative agent of each and what is the time intervalbetween contact and the first symptoms of the infection?...
- Q Although not part of glycolysis,endogenous stores of phosphocreatine in skeletal muscle aresuggested to provide a reserve of ATP through substrate-levelphosphorylation, as shown below:a)Â Â Â Â Â Â Phosphocreatine + H2O ? Creatine + Pi +...
- Q How dk punnet squares model processes, Events, and structures atthe cellular level?Howdo punnett Squares model processes, events, and strutures at thecellular level?
- Q humoral immunity is mostly the function ofa) MHC Ib) complement cellsc) cytotoxic t cellsd) mast cellse) B cells
- Q Large slimy blue-green algae (BGA) blooms have been found inLake Okeechobee and waters flowing downstream. Florida’s governmentwants to strengthen water quality policies to address this issue.You are an environmental health...
- Q Bacteria and eukaryotes have many molecular differences due tolife history differences. Describe the molecular processes oftranscription and the control and regulation of transcription forbacteria and eukaryotes. Explain which differences may...
- Q 1-Describe the differences between genome assemblers thatutilise a greedy algorithm versus de Bruijn graphs.2-Describe the different approaches that are undertaken whenreconstructing a phylogenetic species supertree. In your answer,discuss why it...
- Q A ________ is a normal defense mechanism meant to combatpathogen infection in a variety of ways.a.blisterb.snotty nosec.feverVascular tissue allows plants to ________.a.grow much bigger and tallerb.allows reproduce without waterc.survive without...
- Q Metabolic ProcessNADH formedFADH2 formedCO2 formedATP formed by substrate level~PATP formed by oxidative ~Pbeta-oxidation203Kreb’s cycle63Food labels list that a gram of fat has 9 kcal of energy andthat a gram of...
- Q There are two main theories to explain why Angiosperm Diversityis much greater than other groups. Describe the two theories andproved an example of each.
- Q 1. Which toxicants do you consider to be the greatestthreat to human health (or, possibly, existence)?2. Why is glutathione status so important in the patientwith high exposures to toxicants? How...
- Q 22. You are studying a toxin that prevents RAS, a GTPase fromhydrolyzing GTP. You find that this toxin increase the amount ofcell growth. Please explain this finding.23. You find that...
- Q What would happen to the activity of cdc2 kinase if the cdc25phosphatase were mutated so that it was permanentlyinactivated?
- Q From phylogenetic analysis of present day bacteria why do webelieve that the bacteria have a thermophilic ancestry?
- Q Which of the following represents empirical evidence? Group ofanswer choicesa. A second-hand account of a researcher’s observationsb. A research study without controls identifiedc. An experiment that outlines the methods usedd....
- Q Howdo transfections work? And how does FRET work? Like if I had aprotein called X lets say that I wanted to analyze the function of,how would I do that using...
- Q 6. a. Explain how individuals of aspecies are distributed when the species exhibits PopulationStructure. Include the following terms in your answer:          Deme(=Subpopulation), Total Population.     b. Inpopulation genetics what is meant...
- Q Animals at the Extremes: In what sense(environmentally) are animals living at the extremes when they livein deserts and polar environments? In the table below, describethese environmental challenges, and name +...
- Q Why is cellular adaptation beautiful? Address how this beauty issimilar to or different from other kinds of beauty that humanbeings encounter.
- Q What types of substrates can methanogens use for the productionof methane?
- Q Why is the effect of genetic driftrelatively \"strong\" (i.e. can potentially cause larger change inallele frequency from generation to generation) in smallpopulations and relatively \"weak\" in large populations? Include thefollowing...
- Q Explain how the digestive, circulatory, lymphatic, endocrine,nervous and excretory systems in mammals work together to deliveroxygen, calories, biological molecules, and nutrients whileremoving metabolic waste and regulating water balance and bloodpressure.
- Q 2. a. If you represent the allelefrequencies as f(T)=p and f(t)=q, what does the Hardy-WeinbergEquilibrium Model predict the genotype frequencies will be in therodent population in the next generation (show...
- Q During passage through which of the following is fluidsignificantly concentrated in a mammal kidney?A. Collecting duct when ADH production is very lowB. Descending limb of the loop of HenleC. Proximal...
- Q Complement pathways _Explain how classical pathway, Alternative pathway, lectin pathwayand terminal pathway are activated to destroy bacterial cells?
- Q Briefly describe Somatic Hypermutation and Affinity Maturationprocesses. Include in your answer:a) what each of these processes is,b) what cells and genes are directly affected by theseprocesses,c) where these processes occur...
- Q In a population of rats, the homozygous genotype BB producesblack coat color, Bb produces gray coat color, and bb produceswhite coat color. When the population is surveyed, you find thatthere...
- Q Write a one-page mini-proposal for a research project that wouldtest your hypothesis.Introduce the objective of your research. Usescientific species names and specific names ofcommunities/habitats/biomes, focus on ecological interactions, andinclude scholarly...
- Q You are seeing a patient whose insulin receptors cannot bind toinsulin. Which of the following would you expect? select twoa. HEr cells have too many glucose transporters at the cellmembraneb....
- Q Regarding T cell and antigen presenting cell (APC) interactions,name a pair of proteins that mediate the initialinteraction between these cells.  In your answer,indicate which protein is expressed by the T cell...
- Q You and your hypothetical lab partner each develop anexperimental plan to test this hypothesis. The two experimentalplans are presented below. Evaluate each plan for its pros and consin the experimental...
- Q 1. What is secreted from both natural killer (NK) cells andcytotoxic T (TC) cells from holes in the cell membranes leading tothe eventual destruction of the target?a) Lysomesb) Perforinc) Complementd)...
- Q ndicate whether each of the following 5 statements (a-e) is TRUEor FALSE.  If you think a statement is FALSE, explainexactly what is incorrect and provide the correct information.a.  TRUE / FALSE   In treating...
- Q How did the results from twentieth century experimentsprovide evidence to support claims about the structure of DNA andthe process by which it replicates?
- Q Deliver a 700- to 1,050-word transcript of thespeech you would give, including the following:Discuss factors that lead to genetic variations in a populationby using the Hardy-Weinberg law that describes allele...
- Q Which of the following is INCORRECT whenconsidering how to identify the successful incorporation of a DNAinsert into a vector?A. Colony PCR indicates the presence and size of an insertB Ampicillin...
- Q Select all traits listed below that are shared betweenprokaryotic Archaea and eukaryotes, but NOT between Archaea andBacteria.A.The genomic DNA is surrounded by a membrane.B.Flagella have a similar structure and locomotion...
- Q What is not true in the description of chloroplast?Chloroplasts generate all of the ATP needed to drive cellularprocesses in plant cells.Plants use activated carriers to synthesize sugars and otherfood molecules,Chloroplasts...
- Q An enzyme has a broad pH optimum having high rates of activitybetween pH 4 and 12. X-ray diffraction studies show that the enzymehas an active site with glutamate and arginine...
- Q 1.List the functions of kinases and cyclins, anddescribe how they interact to cause cells to move through the cellcycle.
- Q Mark the following as True/FalseThe nuclease Cas9 is encoded by the human genomeProto-oncogenes are more commonly found in individuals withcancer than in those without cancerThe bacterial genome contains viral RNA...
- Q Which of the following statements about protists is FALSE (pickone).A.They range from unicellular to large multicellular organisms,but without highly differentiated tissues.B.Some lack cell walls and move using amoeboid motions.C.While it...
- Q plants are mainly affected by the biochemical cycle, carboncycle and phosphorus cycle. describe them and how plants areaffected by them.(subject: Plant Ecology)
- Q do you think we should be testing on animal and using them forresearch? explain why?
- Q 14.   Evolutionarychange of a trait in a population under the effect of selection canoccur only when        a) VE > 0 b) h2> 0 c) h2 = 0 d) VE =...
- Q Give one disadvantage of FT-IR microscopy and electronmicroscopy.How can FT-IR spectroscopy be used in fiber analysis?
- Q If membrane proteins could flip-flop across bilayer leafletseasily, how would the function of the transmembrane protein Na+/K+ATPase (sodium-potassium pump) be affected? What will happen to theresting membrane potential?
- Q List three hypotheses for the evolution of viruses. Brieflydescribe the discovery and the nature of “Giant viruses†such asMimivirus, describing how these viruses differ from most knownviruses. How may the...
- Q Briefly describe in words how a person on a low-carbohydrate dietcould make glucose from alanine.
- Q Write the digestive organ(s) that is/are associated witheach statement.Where carbohydrates are first broken down (inhumans)Where plant material is fermented (in foregut fermentingherbivores)Where water is reabsorbed (in humans)Where gastric juices break...
- Q Using a fluorescence microscope, you observed how thelocalization of GFP-Ras changes in response to the inhibitor.GFP is a reporter protein, what does this mean?You used stains to visualize the nucleus...
- Q do you think we should be testing on animal and using them forresearch?
- Q How does the endocrine system interact with the nervoussystem?
- Q 1. Which of the following are consistent with the laws ofthermodynamics?Energy can not be created or destroyed, but it can be transformedfrom one form to anotherEnergy can be created, but...
- Q 6. Specific structural features tag proteins for transport tovarious intracellular and extracellular destinations. Severalexamples were described in chapter 12, including (1) the shortpeptide Lys-Asp-Glu-Leu, (2) characteristic hydrophobicmembrane-spanning domains, and (3)...
- Q Explain how a single gene effects two or more independentpathways (Ex: White eye phenotype for a friut fly). Propose fivehypothesis (details needed).?
- Q The change in the protein from the Awake form to the recessivenarcolepsy form most likely arose in ancestral Labs __________.A.as a result of a random DNA mutation in Lab gametes...
- Q #4. You have been given a tube of E. coli. You areasked to make 1 mL total volume of 10-1 dilution of thebacterial culture. Explain how you would do this.Show...
- Q Write one type of method by in details[to test the HIVvirus], this is experiment in immunology course, I want method andresults please
- Q Rafael’s father died of a heart attack at age 50. Rafael isworried about his own heart disease risk, so he makes anappointment with the physician. He fills out a questionnaire...
- Q The Fresno Chaffee Zoo is designing a new Hippo River exhibit.They are interested in the possibility of using wetlands areas toprovide natural biological filtration (conversion of nitrogenouswaste into nitrate and...
- Q . In general, what are cell-to-cell adhesion molecules (CAMs)and how do they play a role in development? Briefly, explain how aparticular stage of development could be disrupted if you were...
- Q Discuss the major steps involved in the develoment of hpv vaccine.i am looking for an essay type long answer with no bulletpoints
- Q What would happen if an Angus steer (the steer is acclimated toliving in Northern Colorado) was transported to and immediatelydropped off in The Mojave Desert? Describe 3 physiological effectsthat would...
- Q Discuss the impact of chemicals on the ecological oceanic systemswith citation and without plagiarism
- Q 1. Time scale of the earth. Which is the correctorder?a. Azoic era, Proterozoic era, Paleozoic era, Mesozoic era,Cenozoic era.b. Proterozoic era, Paleozoic era, Mesozoic era, Azoic era,Cenozoic erac. Azoic era,...
- Q UAUAGC is the genome of a virus. What is the resulting mRNA andwhat intermediates nucleotide sequences are needed (if any) toproduce the mRNA if the above virus is a: a....
- Q A patient presents with flu-like symptoms. It is possible thatthe patient in fact has the flu, but another option is COVID-19 oreven early stages of HIV. You have access to...
- Q Processes that regulate cell division in mammals include all ofthe following except:rapid production of CDK enzymesthat activate cyclin proteinsdifferent cyclins and CDKs act atdifferent stages of the cell cycle to...
- Q Please describe two differential plates, How do they work andwhat information do they give you about the bacteria?
- Q Explain why it is possible to identify some bacteria simply byknowing what antibiotic resistances they possess
- Q how is a eukaryotic transcript different from finished mRNA?what about a prokaryotic primary transcript?
- Q You are planning an experiment using the monolayer cell lineBIO314. You know that 5.30E+05 BIO314 cells gives you a 80.00%confluency in a T75 flask. Determine the number of cells needed...
- Q Consider a trait or phenotypic feature or even a recessivedisorder with decidedly non-random geographic patterning to thefrequency of the trait, feature, or allele where it is highfrequency in some populations...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!