Biology question and answers for August 15, 2023
- Q In the turkey population studied by Krakauer (2005), would youexpect to see the formation of coalitions composed of two malefirst cousins for whom r was 0.125?
- Q T.J. is a 46-year-old science professor brought to urgent carethis afternoon by his wife. T.J. has been at home for 3 days withsevere diarrhea and vomiting. His youngest daughter washospitalized...
- Q Why do ions have a difficult time getting through plasmamembranes despite their small size? How are ions transportedthrough biological membranes?Where does the cell get energy for active transportprocesses?Describe the position...
- Q List three factors that set limits to population increase.
- Q What is the relation between the mitochondrion and specifically therough endoplasmic reticulum?why do they lie in close proximity whenobserved under a light microscope
- Q Do eukaryotes that have chloroplasts also have mitochondria? Doeukaryotes that have mitochondria also have chloroplasts? Use theanswers to these questions to explain why it is believed that thefirst endosymbiotic event...
- Q 1. What is the main RuBisCO inhibitor? How frequently doesRuBisCO bind to the wrong substrate? What effect does this have onthe plant when there is adequate CO2 and when there...
- Q Describe the regulation of trp operon by attenuatingtranscription.
- Q What activities or professions would increase the riskof contracting Coxiella burnetii.Why and How?
- Q ..... The concentration of three different aminoacyl-tRNAsynthetases, associated with three different amino acids, are foundin much lower than normal concentrations in the cytosol of ananimal cell. In your own words,...
- Q Phage gene expression is sometimes controlled by sigma factorswitching and in other cases by antitermination. Describe these tworegulatory processes and explain how they differ from eachother.NotePlease give detail and comprehensive...
- Q Describe the principles behind and the applications of thefollowing:a) Reverse transcriptase-PCR b) Cloning DNA into a plasmidvectorc) SDS-PAGEd) Restriction mappinge) Sanger Sequencing of DNANoteDetail explanation is required for each .
- Q 1.) Ibu, a 39-year-old busy dad of three kids, finally gets thetime to relax one lazy Sunday afternoon. Ibu is feeling tired butfigures he is run-down from the busy week....
- Q Question 3In humans, the urge to exhale results from the highconcentration of CO2 in the blood. Divers often hyperventilate(rapid breathing for several minutes) prior to making a dive in thebelief...
- Q Instructions:1) Below you will see the Nutrition Facts Paneland the Ingredients list for two very similarproducts. Then you will see the ingredients list for anotherunrelated product. Read the information on...
- Q what might you look for as a signature of life on the red planet(mars)? What might you look for in the microenviornment? (this is amicrobiology question and we have been...
- Q what is the purpose of placing circles on the underside of a slidebefore placing the bacteria on the slide
- Q You are studying Drosophila melanogaster and youhypothesize that a particular protein called “Eyeless†is essentialfor the eye to form.You first decide to use the Gal4-UAS system to makesure that Eyeless...
- Q Describe the basic concepts of cell differentiation andmaturation.
- Q With respect to newly synthesized secreted proteins describe howthey are sorted and transported through the Golgi?
- Q Make a concept map to depict your understanding of the structureof DNA and the packing of DNA into chromatin and chromosomes.(do not cross lines and create from higher to lower...
- Q what would happen to the cells of a plant if it waswatered with salt water from the ocean.( the cells of the plantwould end up being surrounded by saltwater)a. the...
- Q In mitochondria, regarding ATP synthase, tell meA. where in the organelle are hydrogen ions in the greatestconcentrationB. describe the direction of the flow of electrons withinmitochondriaC. what movement of the...
- Q 1Which is true of osmosis?Group of answer choicesit moves with a water concentration gradientit is the movement of oxygen across a membraneit requires a source of energy such as ATPit...
- Q make a table of important vitamin facts. At the top of thedocument list your demographic (age/sex) category. In the table,include the following information for all vitamins (there are 13 -see...
- Q A key understanding of how synapses work is that theymust be able to 1. Turn a signal on, 2. Turn a signal off again.Explain why two neurons, one dopaminergic, one...
- Q How is the dn/ds ratio used when testingwhether allele frequency change resulted from selection vsdrift?
- Q Prior to a fatty acid (FA) being used as the input forbeta-oxidation, it is activated and transitions from cytosol tomitochondria.How is the FA activated and how is the activated FA...
- Q -What 2 parts does every virus need? What is one optionalpart?-Would a virus that infects plants have an envelope? Why orwhy not?
- Q explain the metabolic reaction Ketogenesis. What's the input andwhere is it coming from, and secondly what is the outcome (output)of the reaction taking place? What is the significance ofketogenesis
- Q Explain the role of electrons, protons (hydrogen cations), andoxygen in electron transport
- Q Besides adding more data, why would researchers sequence severalgenres from the nuclear and mitochondrial genomes, as opposed tousing just one gene to generate their phylogenetic hypothesis?
- Q Describe how CI-M6PR deliveries newly-synthesized enzymes to thelysosome? You may use diagrams to explain or enhance your answer.What’s part of the responsible for the mechanism underlying I-celldisease.
- Q answer the following question with two supporting pieces ofevidencecompare and contrast the process of telophase in an animal and aplant cell.
- Q answer the following question with two supporting pieces ofevidenceexplain what happens (structure and function) to the mitoticspindle throughout the stages of mitosis
- Q 1. What factors limit the size of cells? Be sure to list atleast two factors.2. How do cells communicate with other cells? Be sure to detail atleast one specific example...
- Q Describe the three main types of diazotrophic (nitrogen-fixing)bacteria found in soil environments.
- Q We all know that COVID-19 is wrecking havoc in the world todaybut recent debates on how to handle the COVID-19 outbreak, to whatextent do the debates related to COVID-19 vaccines...
- Q What happens in transcription and translation when a gene undergoes mutation?
- Q For the following specie:Giant Hogweed(heracleum mantegazzianum)Please findTaxonomy: plant family for each genus.•Type of Plant: are the species annual,biennial or perennial; herbaceous or woody?•Habitat and Ecology: environmentalrequirements of each species.•Distribution: both...
- Q MICROBIOLOGY PRSENTATIONTopic: streptococcus pneumoniaPresentation title: you should think of a creative title foryour presentationFormat: PowerPoint presentationVisual Aids: tables, figures, diagrams, graphs, photos, maps,etc… (you should have a good balance of...
- Q Design of a Biomaterial using bioluminescence (Nanotheranosticparticle or 3D-Scaffold) for the treatment of SARS-Cov-2 infection,which uses monoclonal antibody as a bioactive component for betteruptake or adhesion by pulmonary cells.
- Q Arrange these biological molecules (nucleic acid, cellulose,unsaturated fatty acid, saturated fatty acid) in order from highestto lowest energy density? Take note of which chemical bonds havethe highest potential energy.  Can you...
- Q Which statements about glucose-6-phosphate dehydrogenase arecorrect? Multiple answers: You can select more than one optionA It catalyzes the committed step in the pentose phosphatepathway.B It is regulated by the availability...
- Q As we progress from bipolar cells to ganglion cells to latercells in the visual system, are receptor fields ordinarily larger,smaller, or the same size? Explain the concept of a receptive...
- Q You determined in the previous assignment the exact volume of50X TAE that you will need. I suggest that you make 40 ml of 50XTAE so that you have some extra...
- Q What is the key difference between financial statement analysisand operating indicator analysis? How are these types of analysesuseful to healthcare managers and investors? Consider a healthcareorganization with which you are...
- Q The water characteristic curve is important because:a) It is used to obtain the available water content of asoilb) All organisms including roots respond to water content ratherthan water potentialc) It...
- Q The sidechains of __ are positively charged at physiologicalpH.Select one:a. Asp, Glub. Lys, Argc. His, Tyrd. Asn, Gln
- Q BIOCHEMISTRY (CELLULAR RESPIRATION/ELECTRON TRANSPORTCHAIN)1) Steps of cellular respiration are: (multiple answersmay be correct)A. FermentationB. Oxidative carboxylation of pyruvateC. Citric Acid CycleD. Mitochondrial Electron Transport ChainE. Reduction of molecular Oxygen by...
- Q An experiment has been initiated in a laboratory whererecombinant DNA technology has been used to substitute the generesponsible for change of colour in chameleon with another generesponsible for “glowin-the-darkâ€. If...
- Q Antibodies are suitable for diagnostic tests, because Selectone:a. they can be used only for humans.b. they can be readily purified.c. they are found in very small quantities.d. they bind very...
- Q Microbiology questionQ:why Quorum sensing is important to biofilm dispersion?
- Q Can anyone explain in laymen's term? Also, point out keyinformation to put in my introduction/background information slidein bullet pointsThe gut microbiome consists of a multi-kingdom microbialcommunity. Whilst the role of...
- Q What is the designation of the recipient cell after mating withan Hfr donor strain?1. F-2. F'3. F+D. Hfr
- Q Most proteins destined to enter the endoplasmic reticulumSelect one:a. are completely translated on free ribosomes in thecytosol.b. are transported across the membrane after their synthesis iscomplete.    c. remain within the endoplasmic...
- Q Which of the following statements about the tryptophan (trp)operon does not properly describe its function?Select one:a. The trp operon is activated in the cell when tryptophanlevels rise      b. The enzymes expressed...
- Q Give a general description of the light and dark reactions ofphotosynthesis. Light – light energy is converted into chemicalenergy (ATP) Dark – Carbon fixation – carbon is fixed into organicmolecules...
- Q Discuss the role of chance and direction in evolution and indetermining the phenotype of a population
- Q 1)Which of the following is true of enzyme characteristics? (a)enzymes catalyze reactions when a substrate binds to the allostericsite (b) enzymes catalyze reactions by increasing the activationenergy (c) enzymes do...
- Q Think about the variety of healthcare organizations, such as along-term care facility, large for-profit hospital, physicians'practice, VA hospital, or state-run clinic. Consider how budgetingwould be influenced depending on an organization's...
- Q 1)The transposon Tn5 was used to create a library of 50,000Escherichia coli mutant strains having random Tn5 insertions intheir chromosomal genes. A suicide delivery plasmid vector thatcarries Tn5 was used...
- Q what is the typical diagnostic technique&mechanism about infectious disease? at least 5 type!!!
- Q Question 11 [20 marks / 20 minutes]This question is about mechanisms of gene regulation ineukaryotes.a) In Drosophila melanogaster, Sex-lethal (Sxl) controlssomatic sexual development.i. Describe the regulatory mechanism that leads to...
- Q Immune responses working to protect the host need to becarefully regulated, since overt immune function may be harmful tothe host. There are several feed back inhibitory loops evolved toregulate immune...
- Q Starch hydrolysis What result would you expectif glucose had been added to the starch agar medium and theninoculated with B. megaterium or B. subtilis?Explain.
- Q Are there some examples that can state that how phage may evadethe host's restriction system?
- Q Write a 700-800 word APA format essay showing thedifference between eukaryotic and prokaryotic cells. List theirfeatures and functions.
- Q It is well-known and documented that numerous bacteriahave acquired resistance to penicillins by acquiring the gene forbeta -lactamase. What has been discovered is that some of thesebacteria have developed this...
- Q 1. Determining Inheritance using PunnettSquaresThe condition of sickle cell anemia isrecessive and only the homozygous recessiveindividuals are adversely affected. Interestingly, heterozygousindividuals have increased resistance to Malaria which is caused bya...
- Q Think about homologous chromosomes.What is the same about them? _____________What is potentially different? ______________Group of answer choicesalleles ; charactersgenes ; allelestraits ; genescharacters ; traits
- Q Match the structural lipid with its general function. Choose thebest answer. acts as a second messenger in signaling transductionis the most abundant membrane lipid has a role in blood clottingcascade...
- Q Which molecule(s) provide high energy electrons to the electrontransport chain in oxidative phosphorylation?a.ATPb.NADHc.FADH2d.a and be.b and cFor every molecule of pyruvate oxidized in aerobic cellularrespiration ____________ is(are) produced.a.one ethanol and...
- Q which of the following statement is false?a. Earlier homo erectus populations had a small cranial capacitythan later population.b. homo erectus did not develop toolsc. homo erectus appears to have been...
- Q In an interrupted mating experiment with thea+b+c+ donor, thea-b-c- recipient becomesa+ after 10 min, b+ after 5 min, andc+ after 12 min. What is the order of the genes?Group of...
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