Biology question and answers for August 08, 2023
- Q SECTION I ShortAnswersI.                   Definethe following: Infection, disease, virulence and pathogen
- Q short answer:What is an Endotoxin? What is Endotoxin likemycotoxin?
- Q Ourplanets surface is currently covered with 71% water and 29% land.What if the ratio was switched to 29% water and 71% land? Provide 2examples of how the decrease in surfsce...
- Q Imagine you have two beakers: one with 750 ml of sea water andone with 750 ml of distilled water. You bubble CO2 into each andtake the pH of each solution...
- Q How would you determine whether a colorless colony on MacConkeyagar is Salmonella or Shigella? Why would you want to identify acolorless colony? Briefly explain
- Q Is Genetic Engineering of humans a good thing or a badthing?
- Q The Pasteur EffectIn 1861 Louis Pasteur observed that yeast, a facultativeanaerobe, could grow in a sugar and protein broth without air, i.e.Oxygen. For every gram of yeast in a culture,...
- Q Genetic engineering of microorganisms involved in MLF of winehas only been partially successful, why?
- Q Compare and contrast the kidneys between fish, Amphibians, andMammals. What are the differences and similarities? What does aloop of henle allow, what happens to the ability of a mammal thathas...
- Q In a typical microbiology laboratory, reasons for no bands froma gel of a polymerase chain reaction may be due to errors relatingto omission of ingredients in the reaction mix and...
- Q (i) Explain why it is important to assign individuals tospecies. (ii) What is a species concept? (iii) Name and formallydefine one species concept. (iv) Explain ONE of the weaknessesassociated with...
- Q Why are tumor suppressor gene mutations recessive while oncogenemutations are dominant?
- Q Ovulation occurs when the oocyte is released into the peritonealcavity. How does it usually enter the uterine tube? ( identify themain organs and briefly explain their functions).
- Q 1) how can the knowledge on the metabolism of parasite be usedfor effective control strategy2) discuss carbohydrate metabolism in protozoans3)most protozoans under go anaerobic metabolism.discuss
- Q The amplitude of the ventricular action potential as measuredwith an intracellular microelectrode is some 100 times greater thanthe QRS wave of the ECG, which represents the ventriculardepolarization. Why is this...
- Q Read the article Antibiotic-Resistant ‘Superbug’ Foundat California Hospital.What causes the development of ‘superbugs’ such as this?How great of a threat do you believe this is to humanity?What, if anything, can...
- Q Do some independent internet research on the Miller-UreyExperiment. Based on what you found,What did the experiment definitively prove?What did the experiment suggest?What criticisms of the experiment did you find? Are...
- Q why stem cell transplants is more effective inchildren in treating sickle cell Anemia?
- Q This chapter presented a variety of basic plant defenses. Usingany plant of your choosing, explain how it uses defenses. At aminimum, explain:The plant you selected and its defense mechanism;What kind...
- Q T- Test:Seven tomato plants were treated with chlorogenic acid (andseven control plants were not treated) to determine if this acidinfluences the activity of the enzyme o-diphenol oxidase in theirleaves which...
- Q 1.. What virus factors contribute to highly pathogenic avianinfluenzas virus (HPAIV) virulence in humans versus that ofseasonal influenzas? A virus (IAVB)?2.What are the innate immune sensor molecules in hostrespiratory epithelial...
- Q Which of the following would be most detrimental for cellularrespiration? That is, which one would result in the greatestreduction in the number of ATP molecules being generated?Select one:a. A strong...
- Q A large study of DNA from people in the USA determined that thefrequency for the recessive allele for ear shape .2 and thedominant is .8. If 10 % of the...
- Q You have isolated and sequenced a region of DNA thatappears to have caused tumor formation. For What types of mutationswould you look to understand how that DNA causes the cancer...
- Q 1. How is the digestion similar and different between a mammal,such as a pig, and a smaller multi-cellular organism like a Hydra?You must be specific (BUT BRIEF) with your answer....
- Q For each populations, calculate the expected genotypefrequencies to determine which of these populations is NOT inHardy-Weinberg equilibrium.1 AA, 18 Aa, 81 aa20 AA, 20 Aa, 5 aa25 AA, 10 Aa,...
- Q For your second paragraph, see the cellular organelle assignedto you according to your name in the table below. Answer thefollowing questions for your assigned organelle or cellularstructure (my assigned cellular...
- Q What are the powerful structures that are found in theabdomen? What is their function?
- Q What is the field of view of the 40x objective if the 4xobjective has a field of view of 2mm?A.) 0.2mmB.) 0.5mmC.) 0.3mmD.) 0.1mmE.) 0.4mm
- Q yeah! humans average hear beat in a min
- Q choose one of the factors that impacts reactionrate(conecentration, temp, or ph) and in your own words provide aplausible biological explanation for your experimental results forthat factor.
- Q Canyou explain about the four types of microfilament structures andgive examples for each1) Networks ( random vs highly organized)2) Bundles ( Parallel and Antipatallel )what they do ( their function)where...
- Q Watch the video How Cells Divide and How ChemotherapyWorks and answer the following questions:What does it mean that the chemotherapy treatment isnonspecific?Find an example of a specific method of a...
- Q How does the process of evolution reveal the glory of God? Isthe concept of mankind being made in the true image and likeness ofGod consistent with the process of evolution?
- Q a) Is lactase production regulated pre- orpost-transcription?b) How is lactase persistence an example of gene expression?Please go into detail about these processis.
- Q Can derivatives of current antimicrobials be the answer tosolving infections that are treated by beta-lactams?We discussed in class that beta-lactams have become resistantagainst microbes because they have developed the ability...
- Q Targeting the resistance genes specifically could be a potentialsolutionAccording to this study from NCBI, the two separate resistantstrains of Y. pestis in Madagascar was not an isolated phenomenon,and could indicate...
- Q Is there ever an acceptable reason for someone tocommit suicide? If so, what? If not, should we alwaysattempt to stop others from ending their lives?
- Q Question 4In capillary beds, there is mass movement of fluids andmolecules into and out of capillary beds. For movement of fluids,simple diffusion is not sufficient and two pressure-basedmechanisms are utilized.Describe...
- Q The population of the developing word today is much larger thanthe population of developed worlda) explain in a simple term the historic reasons that led to thissituationb) describe and explain...
- Q 30) A homozygous groucho fly (g, bristles about the eye) iscrossed with a homozygous rough fly (r, eye abnormality). The F1females are test crossed to a groucho, rough fly. The...
- Q 1.Review how patients who might benefit from Targetedtherapies are identified.2. Select one currently approved targeted therapy and describe it'smechanism of action and which cancer it is used to treat.Include the...
- Q 4. In fruit flies, normal eyes (+) are dominant over small eyes(ey) and straight wings (+) are dominant over curly wings (Cy).Work the following crosses through the F2 generation, and...
- Q Provide an example of an animal (or human) in your life thatuses a multimodal cue. Develop one hypothesis that aligns with theEfficacy hypotheses, and one that aligns with the Contenthypotheses....
- Q Why do you think the blood cholesterol levels can or can’t becontrolled with diet therapy?.
- Q 1.How does angle of aperture and resolution change withincreasing lens magnification?2.Define the science of microbiology and describe some of thegeneral methods used in the study of microorganisms3. Discuss the historical...
- Q 1.What are BRCA1 and BRCA 2? Discuss their role incancer (be specific, include info about types cancers, ethnicgroups, and any other relevant information!)2.What are monoclonal antibodies as it relates tocancer...
- Q Three recessive genes in dogs are linked on a chromosome. A dogheterozygous for all three recessive alleles is crossed withhomozygous for all the recessive alleles in a three-pointtestcross.(a) Determine the...
- Q 1.Describe an experiment you would perform to determine if abeetle can discriminate between green and yellow. Be sure toexplain the independent and dependent variables of yourexperiment.How might you go about...
- Q 1. How are rhizoids different than roots?2. Where are mosses and liverworts usually found? Whatecological roles do they play?3. In both bryophytes and ferns, what is the function of thearchegonium?...
- Q Explain the role of background illumination in sense of visionby giving an example. What fundamental characteristic property ofsensory systems can be deduced from this example? (Explain inbrief)
- Q the class is the intro to healthcare.Discuss the future development of your selected profession. Whatis its anticipated growth? What impact would technology have on it?Where is the profession headed? What...
- Q Explain why a child born to a mother who hadmyasthenia gravis would also experience myasthenia gravis, but onlyfor a short amount of time.
- Q identify two transcription factors that have critical roles in theimmune response
- Q What would happen to cellular glucose-6-phosphate if the pentosephosphate pathway is inhibited?
- Q Explain how flow cytometry would be beneficial for physicians onthe pursuit for personalized medicine.
- Q Predict the fatty acid with the highest melting point.Select one:a. trans 14:1 (7)b. cis 14:2 (7,9)c. trans 14:2 (7,9)d. cis 14:3 (7,9,11)
- Q QUESTION 16The stereotype image of Neandertal as a“brutish, ignorant cavemanâ€Â  is basedon:his large physical size and stocky, muscular buildan early Neandertal skeleton of a crippled, hunched-overindividualhis thick-boned skull and skeleton, and...
- Q hydrogen ionspart of the mitochondrion enclosed by the inner membrane wherethe citric acid cycle takes placepart of the chloroplast where the light reactions take placethe uptake and conversion of CO2...
- Q Predict how an inhibitor of ATP/ADP translocase would affect O2consumption
- Q The human body has several defense mechanisms. “Innate immunityâ€which is the routine protectionpresent at birth. This immune system has three general components(first-line defenses, sensorsystems, and innate effectors actions). In addition...
- Q Question 1Give the full scientific name of one of the protist speciesthat causes malaria. (1 mark)Briefly explain how the complexity of the malaria life cycleinfluences the host’s immune response. Name...
- Q QUESTION 1How are members of the genus Homodifferent physicallyfrom the Australopithecus?flattening of the face (the mouth doesn’t protrude forward likethe australopithecines)shorter armssmaller-sized teeth and jawsall of the abovenone of the...
- Q It has been said that biodiversity (or the loss of biodiversity,i.e. the loss of a species to extinction) is the most importantissue that humans face. The argument goes something like...
- Q Gluconeogenesis is favored when citrate levels are __________,when AMP levels are __________, and when ATP levels are__________.Select one:a. low; low; highb. high; low; highc. low; high; lowd. high; high; low
- Q Which of the following steps of cellular respirationtake place in the inner membrane of mitochondria?Select one or more:a. glycolysisb. citric acid cyclec. electron transportd. Calvin CycleGlucose and O2 are reactants...
- Q glycogen storage disease cause changes in metabolism in the itembelow increased in a patient with non-Gierke disease :1- glycolysischoose the larger of the 2 choices if the values are the...
- Q describe the structure and function of the parts of the humaneye.
- Q The majority of proteins are imported into the peroxisome viatranslocation. What other mechanism do peroxisomes use to gaintheir proteins?
- Q Draw a diagram that shows an EPSP causing an action potential tofire. The EPSP should be caused by a chemically gated channel.Include details on the channels associated with the actionpotential,...
- Q analogy for photosynthesisanalogy for fermentation
- Q How is an intron spliced out of a pre mRNA transcript to giverise to a mature mRNA? Explain with detail.
- Q Mutation and RepairDiscuss the effects of 3 kinds of chemical mutagens and 3 kindsof physical mutagens in Mutation and RepairComplete the table belowRepair MechanismDamage being repairedKey Enzymes/Proteins for RepairMechanism of...
- Q open-book, free writing, literature review. (Students mayfocus on one or two genetic terms learned from this course,searching for information indicating their connections withparticular genetic diseases, then write paragraphs with descriptionor...
- Q 1)Which of the following is/are true for both graded potentialsand action potentials?a.Effective for communicating over long distancesb.Initiated by transmembrane channel proteinsc.Exhibit relative and absolute refractory periodsd.both a) and b) are...
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