Biology question and answers for August 04, 2023
- Q List five (5) prokaryotic enzymes or proteins and theircorresponding eukaryotic enzymes or proteins that carry out thesame function during DNA replication. Provide the function for eachof the enzymes.
- Q 1. which of the following volumes cannot be recordedusing a spirometer?a. RVb. ERVc. TLCd. all of the above.2. a client weighs 90kg. His tidal volumeaveragea. 160 mlb. 200 mlc. 150...
- Q Part A - Short AnswerIf tryptophan (trp) codons containing two trpcodons in its leader region were mutated to serine (ser)codons, then a high level of expression of the mutated operon...
- Q What are the two main measures of diversity? Do you understand howto plot a species accumulation curve and how to interpret it? Whatabout rank abundance curves/graphs?
- Q The mother of a seven-year-old boy notices that he isscratching his head frequently. On close examination she notices agrayish, round, and roughened area where the hair has broken off.Examination by...
- Q Statistical tests: For each scenario below, identify thetype of test you should use for the analysis.79. Analyzing the effects of a drug on blood pressure level in astudy with 20...
- Q 70 year old man complains that he gets this terriblefeeling \"like the room is moving around\" and becomes nauseated whenhe rolls over in bed or bends over suddenly. It usually...
- Q Eukaryotic protein x has one proline residue and two cysteineresidues. The proline needs to be in the cis-configuration in thefolding protein and a disulphide bond is formed between thecycteine residues...
- Q During the past several decades there has been analarming increase in the incidence of skin cancers, includingmalignant melanoma, that has been attributed to increased sunexposure.1. Explain the possible mechanism whereby...
- Q Outline the forces driving variation in allele,gamete, or haplotype frequencies inpopulations and illustrate one or more with two examples involvinghuman geneticdisorderswrite 500 words
- Q Explain in detail 3 ways by which one can improve on thecyanobacterial nitrogen fixation in the soil environment.
- Q Discuss in detail the structural features of transcriptionfactors and how these features relate to function.
- Q 1.How does mode of transmission shape virulence?2. What species of fungus is being developed as a biopesticideagainst malarial mosquitos, and why might it be more effective thanchemical insecticides?
- Q Describe the four-species symbiosis in leafcutter ants.What are four mechanisms of vegetative reproduction, forexample, tubersWhat factors influence the virulence (harmfulness) ofcholera?
- Q The biological oxidation of Fe2+ in mine drainage waters canresult in red discoloration in steams from subsequent Fe3+precipitation(a) Name the type of organism responsible for this process(b) Is this reaction...
- Q DO YOU SEE WHAT EYE SEE CASE STUDY1One of Darwin’s main ideas was that evolution involves descentwith modification from common ancestry. We know today that themodification can be simply divergence...
- Q In this stickleback system, the red coloration also plays a rolein signaling between males and females. Males flash color tofemales during courtship dances. However, some males do not producethe color....
- Q 58. In cases where members of two species produce an offspringbut the offspring is sterile, the type of reproductive barrier isknown as which of the following?a) behavioralisolation             b) temporal isolation              c) reduced...
- Q Write a short paragraph (50-100 words) about artificial valvesthat incorporates all of the following terms: (1) mechanicalprosthetic valve, (2) bioprosthesis, (3) homograft, (4)heterograft
- Q 8. What are the factors affect the population difference betweenthe lower energy state N sub alpha and the upper energy state N subbeta? How is the population difference is related...
- Q Consider cargo proteins that are destined for secretion to theextracellular space. Please predict where the cargo will end up(ex. in the cytoplasm, a specific organelle, transport vesicles,multiple places, extracellular space)...
- Q 1. What happens when NMR active nuclei is irradiated withradiowave frequencies ?The question is from structural biology(NMR spectroscopy).
- Q From vet tech:The grid is used when x-raying body parts that are larger(thicker). Briefly describe why a grid is used in thesecircumstances.
- Q Which of the following is a key control enzyme in the regulationof respiration?a. Phosphofructokinaseb. Pyruvate Dehyrogenasec. Citrate synthased. All of the abovee. None of the above
- Q . Describe how the brain has evolved across this spectrum ofanimals. (Shark, Mudpuppy,snake, bird, and pig)
- Q Human population size underlies nearly every environmentalproblem that the planet faces. The environmental problems I amreferring to are global warming, deforestation, water and airpollution to name a few. China is...
- Q A 100-acre farmland contaminated by a massive diesel tankerspillage was subjected to the bioremediation using indigenousmicrobes in the soil as well as genetically modified Pseudomonasfluorescents over a 14-year period.a) Briefly...
- Q Explain the importance of immunological memory cells. Describein detail how and when memory cells arise and explain how they formthe basis for effective immunizations.
- Q There are several aspects of DNA polymerases that tell you abouttheir probable functions in the cell. These are processivity, 3'-> 5' exonuclease acitvity, requirements for viability, 5' ->3' exonuclease activity....
- Q Explain how DNA synthesis is used for 3 different methods ofbase sequencing.
- Q Explain the importance of biodiversity with respect to ecosystemstability, and include discussion of genetic diversity and speciesfunctional redundancy.  Explain the relationship betweenbiodiversity and trophic cascades.
- Q You perform a cell free translation experiment like Nirenbergand Matthaei, but you forget to write down what nucleotides youadded to make the mRNA. You precipitate the translated polypeptidesand measure the...
- Q One could say that the Calvin cycle is areducing cycleoxidizing cycleneutral cycle (no net oxidation or reduction)hydrating cycle (water is introduced)Succinate is produced in the glyoxylate cycle by the action...
- Q answer 1-71)What are the two main functions of lentivirus recombination?2)What is the general purpose of the gag, pol, and env gene regionsin a lentiviral vector?3)Lentiviruses are useful because they lead...
- Q Glycolysis is a catabolic pathway, in which glucose is brokendown to generate ATP. Would this pathway occur when there is highenergy charge in the cell? Why/why not?
- Q Explain how cellular ATP is replenished by phosphagens(phosphoguanidines).What are the cellular roles of nucleoside diphosphate kinase andadenylate kinase?Why is a thioester bond a “high energy†bond?What are the metabolic roles...
- Q Humanity has made countless genetic changes to our food throughpractices such as grafting and selective breeding. What setsgenetic modification using biotechnology apart from that practice?In your answer, offer your own...
- Q 1. Demonstrate the energy production from glucose, fatty acidand amino acids at the cellular level step by step in a scheme youhave created yourself. Entering, exiting, taking part etc. in...
- Q You are performing a wound-healing assay in the laboratory.a) What protein would you use to coat the cell culture dishesand why?b) What effect on wound healing would you expect if...
- Q During his annual check-up, his doctor looked alarmed when hisblood test revealed elevated cardiac troponin levels.Describe the function of troponin in healthy cardiomyocytes.Explain why Travis’ doctor was alarmed at his...
- Q 1.What is the physical basis of Mendel’s first andsecond law?2.What could be a reason that the first naturallyoccurring mutant fly Morgan saw involved agene on a sex chromosome?
- Q Jane, a 48 year old woman with no history of healthcomplications had recently noticed that her show and glove sizeshad increased and that her rings no longer fit her fingers....
- Q 1: Compairing the sequences of the 16S and 18S rRNAs has placedliving organisms into the foloowing three Domains:(a) Archaea, Eucarya, Fungi(b) Eucarya, Fungi, Protista(c) Plants, Animals, Prokaryotes(d) Plants, Animals, Protista(e)...
- Q 1) Highlight the medical or environmental or industrialimportance for each of the following with examples.A) SaccharonmycesB) candidaC) RhizoprusD) PenicilliumE) Aspergillus
- Q What protein complex links dynein to cargo?
- Q protection factors provide information on the stability ofindividual amino acids in proteins. why is the determination ofprotection factors not possible using HDX-MS?
- Q what is tje dependent variable in the hypothesis . african americaninfants are more apt to be born underrweight than hispanic or asianamerican infants quizlet
- Q Bacterial enumeration: Separate the methods of counting bacteriainto direct or indirect. Provide the situation each would beutilized and it's strength and weaknesses.
- Q how to restore a degraded or damaged ecology ? forexample a burnt forest
- Q Anthropology:1) If two parents are each carrying one copy of the allele foryellow eyes (Y) and for blue eyes (y), what are ALL the possiblephenotypes of their children? (Assume that...
- Q Explain the TSI slant and explain the significance of the test.
- Q Youare provided a seawater sample with some marine phytoplankton. Youare asked to design a test to tell if the marine phytoplankton inthe seawater sample is limited by a specific nutrient....
- Q Compare the strengths and weaknesses of dorsal and volar forearmplatforms
- Q 1.Write an example of nutrient known to be nutrigeneticallycontrolled.2.Is avocado nutrigenetically controlled nutrient? If it can becontrolled nutrigenetically, How?3. Write an example of a known bioactive food (majoringredients) known to...
- Q On page 47 are two experimental outlines: 1) Ligation, and 2)Transformation. In the space below, draw flow diagrams that willaid you with your undertaking of these experiments
- Q What is the production of ATP both directly and through electrontransport/oxidative phosphorylation when:(i)Â Â Â Â Â Â one mole of glucose isconverted to two moles of acetyl CoA.(ii)Â Â Â Â Â Â one mole of acetyl CoA ismetabolised...
- Q Suggest an innovate treatment technology on either(environmental, energy production, optimization of process)
- Q A plot of Ȳ against [S] is a rectangular hyperbole when (chooseall that apply)A. There is no interaction between binding sitesB. Michealis-Menten assumptions are validC. There is only one binding...
- Q Select the correct relationship(s) when no cooperativity ispresent:A. Kb1 = 2Kb2B. Kb1 = 4KbC. Kb1 > 4Kb2D. Kb = 2Kb2
- Q What do you think would happen in mutant cells with thefollowing defects and why? a. Cannot degrade M phase cyclins b.Inactivated CDK c. Have a mutated p53
- Q Pick the correcty answerIf a mutation that inactivated telomerase occurred in a cell(telomerase activity in the cell = zero), what do you expect theoutcome to be?The position of the centromere...
- Q Why the hydrophobic effect is a powerful organizing principle inbiochemistry
- Q Explain the evolution on the thoughts of the ciculatory system.Who were the major players? What were the major changes in throughfrom person to person. Start with Hippocrates and move through...
- Q What is advantage and disadvantage of naturalconstructed wetland treatment over the mechanical technologies?
- Q please i want computer typing answer with details andexplainExplain the Bohr effect. How does pH (and pKa) and CO2 affectthe binding affinity of oxygen to hemoglobin in the lungs and...
- Q 4 types of epithelial tissue are?
- Q You have been employed by a wholesale nursery to set upa new plant tissue culture facility to propagate selected desirablecultivars of ornamental orchids. The nursery has allocated amaximum of $AUD10,000...
- Q Name the three components of a DNA nucleotide. Explain how theDNA double helix is formed including the Base Pairing rules and theAntiparallel structure.
- Q describe experiment that shows that U2 base pairs withbranchpoint sequence
- Q Calculate the energy yield from the oxidation of palmitoyl CoA.How do you account for the different energy yields betweenpalmitoyl CoA, palmitic acid, and palmitoleic acid?
- Q Discuse if neuraminidase N2 protein of the ibfluenza Avirus could be a Excellent targer for designing durgs that inhibitthe virus, as antiviral durgs
- Q COURSE :AGRI-RECORDS AND MANAGEMENT1. Management is first _____________, ____________ and____________.2. In farm business management, ‘what’ is to _______ and ‘how’is to __________.3. As performance is to ____________, competition is to______________.4....
- Q 1) Explain, in detail, using analogies, how the human body canbe compared to how an army defends itself against enemy invasions.You will want to think of the lines of defence...
- Q Test 2: Olfactory adaptationObtain two smelly objects, such as a bottle of oil ofpeppermint, black walnut extract, isopropanol, or anything elsethat has a strong odor.Press one nostril closed.Hold one of...
- Q Theuse of Agrobacterium tumefaciens has contributed enormously to thedevelopment of transgenic plants. Discuss this contribution andcite five examples of improvements in characteristics of cropplants resulting from genetic engineering. State 3...
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