Biology question and answers for July 24, 2023
- Q Question 9 (4 pts) The genetic term “loss of function†is usedto describe any mutation in the DNA that leads to a particularprotein that cannot function. There are many reasons...
- Q A 7 year old female presents with anxiety, dizziness, sweatingand nausea following brief episodes of exercise. These symptoms arerelieved by eating and do not occur if the patient is fedfrequently...
- Q Congenital defects in glycogen metabolism can have seriousnegative effects on human health. Below are several examples takenfrom box 15.4 in the text. For each example, statehow glucose glycogen metabolism is...
- Q Describe how methylation occurs on newly replicated DNA
- Q Reflect on your personal experiences and environment. List 3ways in which you may have been exposed to common endocrinedisrupting compounds (EDC). Can you imagine changes to either yourpersonal habits and/or...
- Q Only a portion of the duration of a single twitch includesincreasing tension within a muscle fiber.What are the three main phases/periods of a musclecontraction?During which portion(s) (name the period) of...
- Q If a circular plasmid is cut one with a restrictionenzyme what is the result?how do we determine how many times a restriction enzymecut.
- Q Sally is blood type AB positive and her mother was type A- andfather type B+.  Vikram is blood type B-, and his father was type B+ and mothertype O -.A) What...
- Q 1.) a.In eudicots, stomates are usually found only on the bottomof leaves. In what environment would you expect to find stomataonly on the top of leaves.b. Some plants close their...
- Q An inflammatory response is vital to eliminating an infectiousagent. Fully describe inflammation, addressing each of thefollowing in the description.Complete description of the inflammatory response (bespecific)Methods (more than one) of the...
- Q determine the distances between the genes, coefficient ofcoincidence, and interference. Show all calculations. (create pairseg wfm and +++ are a parental pair)PhenotypeNumber of Individualswfm5+++7+fm4w++0w+m2+f+1wf+0++m2
- Q A mother has blood type AB and a father has blood type O andthey have a child together. What is the probability that theirchild will have O blood type like...
- Q List two classes/types of antibiotic for each of thefollowing targets: Cell wall Synthesis and Protein Synthesis.Describe how this class of antibiotics specifically work and whythis makes them selectively toxic.
- Q what is the role of hypothalamus in gender identity?
- Q Pick 3 different subphylla of protozoan parasites and discussthe clinical syndrome associated with a representative genus ofeach
- Q Discuss the morphology, staining characteristics, growthrequirements, or other diagnostic criteria and clinicalsignificance of 4 different bacteria that you studied thissemester. While your choices should cover both Gram positives andGram-negatives as...
- Q Question 20An example of a suppressor mutation would beA mutation that suppresses cell growthAn intergenic mutation that increases the activity of a proteinperforming a different function as the mutated proteinAn...
- Q Give an example of a trade_off between imaging speed and SNR inmedical imaging
- Q Which of the following is correctively matched?Gonorrhea—protozoa infectionLeptospirosis-bacterial infectionCandidiasis-virus infectiontrichomoniasis-bacterial infection
- Q 1. Without or under limited oxygen, respiration switchesto fermentation. In humans this process breaks down glucose toyieldA) 2 ethanol, 2 ATPB) 2 lactate, 2 ATPC) 2 ethanol, 29 ATPD) 2...
- Q Explain how left-right asymmetry is established in themammalianembryo, including cellular and molecular detail in your answer.What are cilia and what patterning defects might you expect inembryos that fail to form...
- Q Discuss the Extinction Risks for Coral Reefs as a resultof Coral Bleaching.Coral reef ecosystems around the globe are threatened by humaninterferences and climatechange. This has led to many scientists conducting...
- Q Describe the developmental origin of the adrenalglands. For the steroid hormones cortisol and aldosterone, explainhow synthesis of the hormones are regulated in the adult. Whatwould be the consequences of a...
- Q What is happening inside of the leg muscle cells of a runnerduring a 100-meter dash compared to a 2-mile race? What biochemicalpathway(s) (aerobic respiration or anaerobic respiration) is/arebeing utilized in...
- Q The three forms of open neural tube defect areanencephaly,craniorachischisis and spina bifida. Explain the embryologicalorigin ofthese disorders, with reference to the morphological events thatoccurduring normal mammalian neural tube closure. In...
- Q 1. A. What is parthenogenesis? How does this seems to occur inbirds? What is the main barrier to this happen in mammals? Howcould parthenogenesis be engineered in mammals?B. What would...
- Q In Covid-19 disease, what is the role of interferon andthe adaptive immune response?
- Q This is a three part question:a) What are some major differences between making transgenicmice by microinjection and creating knockout mice by homologousrecombination (before the advent of CRISPR/Cas9 technology)?b) Explain how...
- Q What are the similarities and differences between theacquisition of language in human infants and the evolution oflanguage in the human species? Answer this question in terms ofTomasello’s theory.
- Q What are the four classes of biologically importantmacromolecules and explain how they contribute to cell structureand function
- Q What process does plant go from the haploid generation to thediploid generation?
- Q What is the split gal4 system? Why is it needed to label somecell types? Describe an experiment that combines split gal4 withscRNA-seq to precisely define cell identities in the drosophilabrain....
- Q 11. Which of the following is NOT anon-covalent bond that gives form to proteins ?(A) H-bond    (B) ionic bond (C) disulfidebridge     (D) van der Waalsinteractions12. Which of the following would...
- Q List the ways that we evaluate (test methods) platelets in thelab. Just a simple list at this point.
- Q Many people tend avoid the use sucralose when possible.Why might it be concerning that an artificial sugar look so muchlike the natural sugar? (Consider: hydrolysis is just simply thereverse reaction...
- Q How does biological diversity relate to the characteristics ofthe abiotic factors of an ecosystem?
- Q 1.- the protection provided through transfer ofantibodies from mother to fetus is an example ofactive immunityautoimmunitycell-meditate immunityclonal selectionpassive immunity2.- in mammalian defenses against invading pathogens,all of these are considered nonspecific...
- Q What are some of the groups (classes of Vertebrates) and whatare significant characteristics?
- Q What are some of the opportunities and challenges to life onland? What were some of the first colonizers? How did this processoccur?
- Q Describe how transactional behaviors and co-activators workincluding the zinc fingers and leucine zippers
- Q Match the following:three nucleotide sequenceBuilding blocks of proteinBlood typesTranslationGenetic disease carrierRibosomesHeterozygousCo-dominant inheritanceCodonAmino acids
- Q 1. Facilitated diffusion across a membranerequires_________.a. an energy input, but not a transport proteinb. a transport protein, but not an energy inputc. both a transport protein and an energy inputd....
- Q Outline the steps involved in the import of a protein into themitochondria. Indicate the steps that require energy.
- Q Why are fungi used in many bioremediation applications?How are they similar to bacteria?
- Q Which of the following is true about food-borneinfections?A. Requires the growth of the organism prior to illness.B. Only associated with fungal-mediated contamination.C. Symptoms typically occur shortly (within hours) after ingestionof...
- Q How many tablets and volume of indicated diluent (denoted by Xsbelow) is required to make the following compounded product?Drug Formulation: ACETAZOLAMIDE SUSPENSION 25 MG/MLAcetazolamide 250 mg tablets X tablets neededOra-Sweet:Ora-Plus...
- Q conclusion for research about advanced glycation end productsand diabetes
- Q Which structures of the nephron are affected bydiuretics?
- Q A phytochemical known as Barago has been found to be acompetitive inhibitor of 2,3-Bisphosphoglycerate onhemoglobin. Whatwould be the effect of Barago on; (i) Adult hemoglobin, (ii) Fetalhemoglobin? [ Justify your...
- Q Grouse in Russia show a recessivemutation “short-tail†that causes problems in the controlof direction when flying. In 2002 a survey of a large, freelyinterbreeding, population of 1,856 grouse revealed 142...
- Q 1. Which of the following observations is true concerning theeffect of body mass on demographics?a. The higher the body mass, the higher the populationdensityb. The lower the body mass, the...
- Q Experiment 3: DNA Extraction 1. What is the texture andconsistency of the DNA? 2. Why did we use a salt in the extractionsolution? 3. Is the DNA soluble in the...
- Q Episode 1 of the documentary Emperor of all Maladies titledMagic BulletsThe Emperor of all Maladies: Episode 1: Magic Bullets2. What are the limitations of this single strategy, and whatwas the...
- Q EF-Tu...A. binds GTP and delivers amino-acyl tRNAs to the A site of theribosomeB. is hydrolyzed to allow release of initiation factorsC. binds GTP and allows ribosomal movement down the mRNAD....
- Q Influential genes and proteins in dairycattle:Genetic methods have been used to examine regions of the dairycattle genome that appear to have been under selection. A positivesignature of selection in a...
- Q Experiment 2: Transcription and Translation 1. Use a pen orpencil to write a five word sentence using no more than eightdifferent letters in the space below. 2. Now, use the...
- Q Briefly describe one way in which behavioral biology aids in thereintroduction of captive-bred animals to wild habitats
- Q What is the principal precursor of the semi-syntheticpenicillins, how is it produced and why is it suitable for thegeneration of the semi-synthetic compounds?
- Q Suppose that you wanted to stimulate Natural Selection in thislab? What experiment could you conduct to stimulate NaturalSelection? What instructions would you give for that step?
- Q 1.Summarize the structure and function of both the digestivesystem and the excretory system. How do each of these two organsystems participate in ensuring that the body has enough energy andnutrient...
- Q Assume that you are employed as a developmental biologist atNASA and the first returning mars explorer was found to have asmall organism from mars onboard. The organism had the usualhead-tail...
- Q A) Six different mutations were derived from base pairsubstitutions at a single codon. In this codon, the mutant alleleshad asparagine, glutamic acid, g;lutamine, methionine, arginine,and a stop codon. What was...
- Q Episode 1 of the documentary Emperor of all Maladies titledMagic BulletsThe Emperor of all Maladies: Episode 1: Magic Bullets6. What is a “hot knife� Discuss the pros and cons of...
- Q Explain the importance of reduced glutathione to themature red blood cell . Please includea. what GSH does for the cellb. how it does this (a)c. what happens when one cannot...
- Q Genes A and B are located 10cM from each other on achromosome. Gene C is located 25cM from gene A and 15cM from geneB. Assuming that I = 0, what...
- Q In older adults, chronic stress increases the risk of chronicinflammation and metabolic syndrome because:A. Chronic stress increases cortisol, which increasesinflammation, which suppresses insulin signaling.B. Chronic stress increases cortisol, which decreasesinflammation,...
- Q in most ecosystems, the biomes of carnivores is greater than thebiomass of producersTRUE or FALSE
- Q Arandom multiple choice question abiut the topic, Dideoxy DNASequencing of Sanger?
- Q So, Grime’s stress-disturbance classification vs. Winemiller& Rose’s opportunistic-equilibrium-periodic classification.Things to know: variables associated with each. Types of organismsthat best fit each one (plants? Animals? Others?). Why are suchclassifications useful? What...
- Q 1. (a) Which of the following types of biomolecules would mostlikely be found embedded in a phospholipid bilayer?
- Q Explain how personality difference could influence distributionwithin habitats.
- Q Prediabetes is considered a reversible condition.TrueFalseEnzymes are a diverse group of __________?A. lipidsB. carbohydratesC. proteinsD. nucleic acidsDiabetes insipidus is characterized by:A. polyuriaB. polydipsiaC. A and BD. neither A nor B
- Q Explain how energy is harnessed by and then flows throughecosystems. Describe the major trophic levels. How efficient is thetransfer of energy and what limits that efficiency?
- Q You have constructed a DNA probe using the amino acid sequenceof insulin ( a short piece of DNA carrying a label, such asradioactivity , which can hybridize with your target...
- Q Does tiger lily disperse or migrate? describe what it does withmore details.
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