Biology question and answers for August 01, 2023
- Q why Bifido sp bacteria are necessary in GIT health
- Q )Tabulate how transmission electron microscopy (TEM) differsfrom traditional light microscopy regarding (a) sample preparation(4), (b) processing (4), (c) instrumentation (4), (d) detection (4)and (e) the structures that can be observed...
- Q How do light, reaction centers, antennae complexes, andbacteriochlorophyll together cause an electron to have a very low E(i.e. a negative number with a large absolute value) inphotophosphorylation?
- Q a) Characterization of cell lines are important phenomena forcell culture experiments. Discuss briefly why we need to carefullycharacterize cell lines., b) What is the simplest cell characterization technique? Basedon this...
- Q Distinguish between transformation, conjugation, andtransduction in horizontal gene transfer
- Q what form/s of MAPK does the anti-total map kinase antibodydetect, and what form/s of MAPK does the anti-active map kinaseantibody detect?
- Q Does Rh factor inheritance follow Mendelian genetics? If yes,which kind of dominance is it?How can a fetus with Rh+ for a mother who is Rh- can be saved ifhe is...
- Q The body system that stimulates eating or drinking is the________ system.stimulatorycirculatorynervouslymphaticMarci has been diagnosed with gluten sensitivity. She thereforeneeds to experiment withMarci has been diagnosed with gluten sensitivity. She thereforeneeds...
- Q When analyses enzyme-kinetics, what can we know withMichaelis-Menten equation? Write down everything you can.
- Q Illustrate the evidence provided by Mendel’s experiments indisproving the blending theory of inheritance.
- Q Why are parasitic nematodes generally ubiquitous and difficultto control?
- Q I am currently studying experimental analytical assays suchas:1. deletion analysis + reporter assay2. linker scanning mutation assay3. DNase I foot-printing assay4. Electrophoretic mobility shift assay5. ChIp-SeqAnd I would like to...
- Q How has the bacterium Y. pestis evolved to become virulent(based on your assigned literature and other literature)? [15points]
- Q 1. Princess eats 60g of oats for breakfast before her biologyexam. Each gram of oats contains three (3) molecules ofglucose.a. Assuming Princes uses 180 molecules of adenosinetriphosphate in consuming breakfast...
- Q Hermione is using a combination of glyburide andpioglitazone for the treatment of type II diabetes. Her conditionis stable as she remains relatively compliant with her treatment.At her bachelorette party, she...
- Q Geoffrey, a 40-year old sedentary, heavy-smoking whitemale, suffers from chronic hypertension (on average >140/95mmHg). He is currently taking antihypertensive monotherapy andaspirin, and frequently complains of a drug-induced dry cough andtaste...
- Q Epstein-Barr virus (EBV) has been implicated as an environmentaltrigger to induce autoimmune diseases, including systemic lupuserythematosus (SLE), multiple sclerosis (MS), and rheumatoidarthritis (RA). Outline 3 possible immunological mechanisms toexplain the...
- Q Why do the pole cells (the primordial germcells which give rise to the gametes) form so early inDrosophila melanogaster development?
- Q Write 75- to 100-word paragraph that summarizes the symptoms andpathology of the disease Werner Syndrome? (prematureaging). Your paragraph should include the informationlisted below, as well as other interesting, relevantinformation.Information should...
- Q where does cellular respiration take place?A. ChloroplastsB. MitochondriaC. NucleusD. ERE. Golgi
- Q There is a large tree, growing in the middle of the lawn. Younotice that there are lots of daisies in the lawn, but none underthe tree. Suggest two hypotheses, to...
- Q How do I relate transcription and transfer of energy? Pleasegive me detailed explanation! Thanks
- Q You are studying a bacterium that grows in a particularecological niche. You cannot culture it in the laboratory, but youcan isolate small quantities of cells that microscopic analysisindicates are not...
- Q What forces stabilise this structure?• Describe the structure of the antiparallel and parallel betapleated sheet.• In relation to the backbone where are the side chains of theamino acids?
- Q 1. A woman has recently been dealing with an ear infection andhas been prescribed the antibiotic amoxicillin. However, after 3days into a 10-day regimen, she feels better and opts to...
- Q Dopaminergic neurons are found in the nucleusaccumbens (IB word). Why do we need a nucleusaccumbens? [1]What is the ‘secondary messenger’ concept?[1]Slow receptors can modulateFast receptors. How? [2]Opioids bind to opioid...
- Q 5.Consider again the picture you selected in question#3. What’s attached to the 5’ end of thismolecule? (BOLD the correct answer)  A phosphategroup   OR   An OH group (which isattached to the...
- Q Discuss the following different types of transmembranetransport: passive diffusion, facilitate diffusion, and activetransport. Compare and contrast their respective advantages anddisadvantages and provide an example of each. Â
- Q Cladistics & Homology• What does it mean when we say a cladogram depicts a“hypothesis of genealogical relationships between taxa�• What part of the “anatomy†of a cladogram represents ahistorical speciation...
- Q Human papillomavirus (HPV) is the etiological agent for multipleforms of cancer, including cervical, oropharyngeal, penile and analcancers. Of these, HPV-mediated cervical cancer is the most common.Primary HPV infection occurs in...
- Q Describe the external structure of the kidney?internal structure, draw a diagram of the longitudinal sectionthrough the kidney and label the structures ?
- Q Both the husband and wife have normal vision. The wife givesbirth to a colour-blind daughter.Is it more likely that the father is colour blind or has normalvision? What does this...
- Q Andrew and James are old friends; they are the same age and usedto have near-identicalathletic abilities. After a few years passing, the following haschanged in terms of their physicalhealth:- Andrew...
- Q 1.(a)When a person exercises, one of the physiologicalresponses is an increase in blood flow. In terms of the nervoussystem and various blood vessels, describe what’shappening.(b)How did dorsal vessels work inarthropods?(c)Mollusk...
- Q Give a description of glutathione-S-transferase (GST) and how itcan be used as a protein “tag†for purification.
- Q Discuss the forensic opportunities in relation to the analysisand comparison of trace evidence, recovered from crime scenes thatcan assist the Investigating Officer to detect the crime. Includediscussion regarding the factors...
- Q Vitaceae - detail description of species (plant), includingflower, leaf stem, fruit, habitat, etc. Thank you.Family: Vitaceae Species: Ampelopsis glandulosa Common Name:porcelain berryFamily: Vitaceae Species: Parthenocissus tricuspidata CommonName: Boston ivy
- Q 1. Identify one unique feature of the reproductive system forthe shark, mudpuppy, snake, bird, and pig, and explain its role inthe reproduction for that organism.2. Describe how the excretory system...
- Q 1. Explain how the epidermis and the external morphology ofshark, mudpuppy, snake, bird, pig are adapted to the lifestyle ofeach animal.2. Trace the path of food from its entrance into...
- Q Calculate allele frequenciesand use the Chi squared and G statistic to determine whether thepopulation is in HW equilibrium.BloodTypeFrequencyO44.00A42.00B10.00AB4.00
- Q course is Biological Engineering1 a. Explain biological effect of radiationb. Explain the followingi) Radiation effect on cellular levelii) Radiation effects at the organ leveliii) How can radiation affect health2. Explain...
- Q The difference between prenatal genetic testing and prenatalgenetic screening is that testing is performed when there is afamily history of a disorder, and screening is performed on thegeneral population.TrueFalse
- Q Excess food is stored in our body either in the form ofcarbohydrates (in the muscles and liver) or as fat (adiposetissue). When our body needs additional energy it uses thecarbohydrate...
- Q Compare and contrast the changing of a thermostat toyour body’s ability to maintain homeostasis.
- Q A new tumour suppressor gene (Tu015) has been identified whichis associated with breast and ovarian cancer. Describe anexperimental strategy using genetically modified mice toconfirm that Tu015 is a tumour suppressor...
- Q Septic SarahSarah developed septicaemia as a result of herwound.  Blood cultures at that time were positive forStreptococcus pneumoniae. She was hospitalised and wasimmediately treated with intravenous penicillin. Within two minutesof the...
- Q All crops we go have been genetically modified from theiroriginal forms. Some of it is through selective breeding, somethrough mutation breeding, and recently through geneticengineering. Why is there so much...
- Q All crops we go have been genetically modified from theiroriginal forms. Some of it is through selective breeding, somethrough mutation breeding, and recently through geneticengineering. Why is there so much...
- Q Can you identify an innate immune cell that responds toSARS-COV2 infection? What are mechanisms by which the cellfacilitates clearance of the virus?
- Q Travis, an overweight 51 year old male, had been diagnosed withstable angina two years ago and was prescribed sublingualnitroglycerin to be taken as needed. Recently, his attacks havebecome more frequent...
- Q Vitaceae - detail description of species (plant), includingflower, leaf stem, fruit, habitat, etc. Thank you.Family: Vitaceae Species: Vitis riparia Michx. Common Name:river grape, frost grapeFamily: Vitaceae Species: Vitis vulpina L....
- Q 1.a.Discuss briefly the key differences between climate changeand climate variability.(25marks)b.Write a short essay on climate sub-systems.(25marks)2.a.Write an essay on Global Warming.(25marks)b.Write notes on the Greenhouse Effect.(25marks)
- Q Compare and contrast the immune response of NK cells andcytotoxic T cells during primary infection and subsequentinfections. Include a comment on the magnitude, kinetics andmechanism of activation observed
- Q Some sharks live in freshwater. How should the kidneys of marineand freshwater sharks function?
- Q A reversible inhibitor I is competitive with the substrate Swhen both haveequal 1/Vmax              c. equal 1/Vmax & 1/KMequal 1/KM                       d. equal slopeA reversible inhibitor I is uncompetitive with the substrate Swhen both...
- Q Mr. Ahmed is a 65- year old man who is suffering from DiabeticRetinopathy. He is also suffering from sensorineural hearing loss.He finds it difficult to distinguish between high pitch sounds...
- Q Vitaceae - detail description of species (plant), includingflower, leaf stem, fruit, habitat, etc. Thank you.Family: Vitaceae Species: Vitis labrusca L.Common Name:fox grapeFamily: Vitaceae Species: Vitis labrusca × V. riparia =...
- Q Electron Transport Chain (McKee364-372).  Describe the initial substrates of the electrontransport chain based on the cofactors that supply one pair ofelectronsDescribe the final product based on the acceptor of onepair of...
- Q Q1. PLEASE EXPLAIN THE ANSWER Near to lacO areother DNA sequences similar to lacO.A. What prevents LacI from occupying these instead of the lacOin the promoter region?B. What role is...
- Q A population of 120 pea plants were examined. Three colorationsexisted within the population; 70 red (RR), 43 pink (Rr), and 7white (rr). Calculate the 1) number of each allele and...
- Q Commercial Value of Edible Vaccines and Golden Rice ?
- Q Essay The Human GenomeProject   (No more than 3 pages, 1.15 spacing,Calibri or other standard font)write an essay summarizing the HumanGenome Project (HGP). Using a narrative format, include in youressay:the goal and...
- Q difference of physical and chemical change
- Q What are some ethical, social, and legal impacts withpharmaceuticals, DNA analysis, and agricultural biotechnology?
- Q Define the terms antibacterial andantibiotic and explain how these substances work.Provide several examples of products you have seen that claim to beantibacterial (hint: house hold cleaning agents).  Havingdefined these terms, consider...
- Q Describe the characteristics of Phylum Echinodermata and discusshow the body form varies in the 5 classeszoology question
- Q A. Chose a nursing Diagnosis, for example:Cerebrovascular Attack (CVA or Stroke), no breathing, Slowbreathing, no BM, no urinary out put, Fever, Chills ;whatever.....Just chose from one of the above mentioned...
- Q Justin want to study the motility of Treponema. He selected thetransmission electron microscope. This is the _____ choice because______.A. Right, motility is easily observed wit the TEMB. Right, you can...
- Q Write 2 Paragraphs!Each paragraph should answer and discuss the questionsbelow. (One paragraph for each question.)Question #1: Vanessa notices that even though her 80year old grandmother keeps her thermostat set at...
- Q Written description of the plant family vitaceae. Please includeoverall morphological description with synapomorphies highlightedand floral morphology.
- Q Vitaceae - description of each plant, including flower, leafstem, fruit. What is the difference between these two plants?Parthenocissus inserta - Thicket creeper Parthenocissusquinquefolia - Virginia creeper
- Q why doesn't FADH produce as much ATP as NADH?
- Q If you have P generation where one parent is homozygous dominantfor both traits and the other parent is homozygous recessive forboth traits, what will the F1 genotypes be?If you then...
- Q A recessive allele in tigers causes the white tiger. Iftwo normally pigmented tigers are mated and produce a whiteoffspring, what percentage of their remaining offspring would beexpected to have normal...
- Q If the universal demands of the Principle of Least Action &Entropy Maximization abruptly ended tomorrow, present a cogentargument of how you would expect this to affect biodiversity andecological processes in...
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