Biology question and answers for August 02, 2023
- Q Genetics:Using molecular hybridization:fully explain the technique and discuss one application of thattechnique used in scientific research.
- Q Write explanatory notes on the importance of the six principlesby whichbiosynthetic pathways are organized.
- Q Conversion of pyruvate to glucose by reversal of glycolysis hasa ?Go’ of +84 kJ/mol, whereas gluconeogenesis occurs with a ?Go’ of?38 kJ/mol. Where does the energy come from that drivesgluconeogenesis?...
- Q What four enzyme activities unique to gluconeogenesis are neededto bypass the three irreversible steps of glycolysis. Draw thereactions catalyzed by these four enzymes.
- Q 8. Design an experiment to determine the optimal temperaturefor enzyme function, complete with controls. Where would you findthe enzymes for this experiment? What substrate would youuse?
- Q Which enzyme contains the coenzyme biotin? What is the functionof this coenzyme and how is it covalently attached to the enzyme?Show the steps in the mechanism of this enzyme.
- Q Discuss the different ways in which microorganisms degrade andutilize lipids,carbohydrates, protein and amino acids.
- Q The vertebrate limb bud is an ideal model system forexploring the genetic regulation of development.(A) In the context of limb development, definethe abbreviation \"ZPA\". What is the major morphogen that...
- Q Describe the role of metabolic channeling and compartmentationin regulation ofmetabolism.
- Q Briefly describe the microbiology of methanogenesis and outlinethe impact of the process on the global carbon cycle.
- Q Do you think there is a stigma associated withmentally ill persons today? Why or why not?
- Q Discuss the structure and function of the electron transportchain and itssignificance on energy production.
- Q Germline mutations occur in sperm or egg and are heritable,whereas somatic mutations occur in non-germ cells and are notheritable. Imagine that you are working in a laboratory which isstudying on...
- Q What is the primary ecological role of fungi, and what are threefungal interactions with humans?
- Q Ethanol metabolism starves the cell of NAD+ andincreases production of reactive oxygen species. What will be theeffect on TCA cycle, PPP, glycogen metabolism, andbeta-oxidation?
- Q The two major bacterial classes (i.e.Gram-positive and Gram-negative)are known to exhibit different sensitivities to antibiotics – forexample, vancomycin and simple penicillins exhibit potentantibacterial efficacy against Gram-positive bacteria but notagainst Gram-negative...
- Q Why do Inhibitors of the PDGF receptor work better in“regression models†as opposed to \"prevention models\"?
- Q Case Study 3- Hospital exposure to deadly disease: RiskAssessment and Principles of ToxicologyA man who has been traveling throughout Africa documenting theexpansion of individual village/ community water wells has beenbrought...
- Q Of the human traits listed below, which are likely to be underthe control of a polygenic mode of inheritance? (Chose all thatapply.)a.color blindnessb.ABO blood typec.skin colord.intelligencee.heightf.sickle cell anemia
- Q Determine which of these four peptides is most likely to becomea beta sheet.Met-Leu-Lys-Ala-Ser-Ala-Leu-Glu-Lys-Leu-Ser-GluAla-Glu-Met-Leu-Gln-Lys-Arg-Gly-Cys-Gly-Asp-GluLys-Thr-Val-Ile-Trp-Pro-Phe-Tyr-Ile-Gln-Ile-GlyArg-Ser-Tyr-Glu-Gly-Leu-Lys-Arg-Ile-Ala-Glu-SerI would like help with the question but also I would like toknow what makes a peptide more...
- Q List and explain the functions of threedifferent enzymes that participate in DNA replication.How does DNA polymerase work to proofread a DNA strand?
- Q a)Why can't Taenia Saginata eggs develop in the human gut?b)What chemical/molecular signals are required for eggs ofT.saginta to hatch in the gut of the intermediate host ?
- Q 1, List one vitamin or mineral that was provided MOSTLY or ONLYby animal-based foods. What was the TOP FOOD SOURCE of thatvitamin/mineral.2, List one vitamin or mineral that was provided...
- Q describe 10 importance of antimicrobial susceptibility testingin the context of quality assurance.
- Q Females of genotype AaBbCc were crossed with males of genotypeaabbcc.This resulted in 1000 progeny of the followingphenotypes:A B C3A B c365A b C84A b c44a B C65a B c98a b...
- Q Describe the timeline when the ova completes:Prophase IIProphase IAnaphase IMetaphase IIEntire Meiosis process
- Q A parental mystery: Mr. and Mrs. Smith have just arrived homewith their new baby. As soon as they walk in the door, they get acall from the hospital maternity ward....
- Q Why is ATP/ADP recycling essential for biological processes inorganisms? Show how ADP is converted into ATP within the cells.(Note: Graduate level Biochemistry Course, so please explain usingthe laws of spontaneity...
- Q Sickle-cell anemia is an autosomal recessive disease, peoplewith the disease have a ss genotype and people without the diseasehave a SS genotype. People who have the disease get very ill,...
- Q (12 pts) Imagine that you are part of an international medicalteam. You are investigating a strange virus that has broken out inthe US. You have samples of the virus from...
- Q Describe the Meselson-Stahl experiment. Include theirhypotheses, experimental design, results, and conclusions.
- Q 1. What is the gram stain classification for each bacteriaused:   Hemophilus Influenzae:   Staphylococcus aureus:   Streptococcus pneumonia:2. What are the gram types of the bacteria each of theantibiotics (penicillin, amoxicillin,   erythromycin)...
- Q Demonstrate how the genome is compacted in eukaryote cells.
- Q Stage in Cell Cycle.Defining FeaturesInterphaseProphaseMetaphaseAnaphaseTelophaseCytokinesis
- Q (Answer in no more than 400 words) Explain what Additive GeneticCovariance refers to. Explain how Additive Genetic Covariance playsa role in: 1) the evolution of senescence, 2) runaway sexualselection, and...
- Q In the peppered moth (Biston betularia), blackindividuals may be either homozygous (A1A1)or heterozygous (A1A2), whereas pale graymoths are only homozygous (A2A2). Supposethat in a sample of 250 moths from one...
- Q Describe the allosteric regulation model for transcriptiontermination and briefly indicate how this model can explain bothRho dependent and Rho independent termination reactions.
- Q When you see a wolf in the forest, you will feel afraid and runaway. What are 5 examples of neuronal processing and explain whatis the role in the detection of...
- Q Part 1 - Mendelian Genetics ReviewMatch the example with the type of inheritance.A) Complete dominance B) Incomplete dominance C) Codominance_______Pea shape in garden pea plants: The W gene encodes for...
- Q A) David, an undergraduate research assistant in our lab,performed Western Blotting experiment and he used anti- Z proteinpolyclonal antibody raised in rabbit as a primary antibody. As asecondary antibody, he...
- Q 1. The process of splicing:Group of answer choicesa. Removes intron sequencesb. Removes polypeptidesc. Joins exon sequencesd. a) and c)e. b) and c)2.Which of the following functions is not attributed to...
- Q (Genetic principles of Ancestry DNA) What is variations due tomutation, chromosomal, maternal inheritance?
- Q 64. Computationally predicting protein structure from a sequencemay involve a “homology modeling†approach and/or “abinitio†techniques such as fragment assembly. Describe howboth evolutionary data and knowledge of physico-chemical principles/ force...
- Q morphological description of Vitaceae Description?How are the leaves arranged?What is the shape of the leaf?Leaf type? pinnately compound. palmately compound or simpleWhat other leaf characteristics are important? leaf margins Isthe...
- Q An invasive plant gets into your garden. It spreads through andout-competes all of you plants, reducing the local diversity. Whichprinciple applies most directly?character displacementsympatric and allopatric speciationrandom variation and stochasticitycompetitive...
- Q QUESTION 7What is the purpose of gap junctions?A. To prevent the leakage of extracellular fuid.B. To provide cytoplasmic channels between adjacent plantcells.C. To fasten cells together.D. To provide cytoplasmic channels...
- Q 1.Which of the following is (are) correct regarding aproteome?Group of answer choicesa. It is the collection of proteins that can be expressed by anorganismb. All of the proteome is expressed...
- Q A popular variety of coffee, Coffea arabica, is a tetraploidplant with 44 chromosomes per somatic cell. What would be thechromosome number in the following Coffea arabica variants:a. A diploid variantb.A...
- Q Examine the ingredient list for Yves Jumbo Veggie Dogs(Water, soy protein, wheat gluten, tofu (water, soybeans,magnesium chloride), cane sugar, wheat starch, salt, yeast extract,spices, carrageenan (from seaweed), natural liquid smoke,...
- Q 66. Describe the role of force fields in the approach toidentify a protein that binds influenza hemagglutinin.
- Q 3.Explain the term semiautonomous and the developmentalrelationships between the various plastid types – “how they areformed, what stimulates their formationâ€.4.Compare and contrast between the general products andsubstrates of photosynthesis and...
- Q A prominent academic, Jarred Diamond, has called theagricultural revolution \"the worst mistake in the history of thehuman race.\" Do you agree or disagree? What are your reasons?Please submit at least...
- Q R-selected species would exhibit?1. Type 1 survival curve2. External fertilization3. Eutherian development4. Viviparity
- Q Sympatric species have overlappingterritory.TrueFalse, the term sympatric can only refer toevolutionFalse, species never overlap in territoryBees and wasps both have specialized physical andchemical defenses. Their coloration is also similar. This...
- Q How does one recognize sex-linked inheritance? How could onedistinguish a sex-linked dominant allele from a sex-linkedrecessive allele?What is the significance of a recombination frequency of 50%? Isit possible to have...
- Q In DNA polymerases, the 3’ hydroxyl end attacks the phosphoruson the incoming nucleotide triphosphate to add another nucleotideto the growing chain. a) These enzymes requireMg2+. What function might this cofactor...
- Q 1.For both insulin and glucagon: Identify conditions under whichit will be present in the blood and describe outcomes of itssignaling on muscle, heart, liver and adipose tissue
- Q 1. Glycolysis is an almost universal pathway for extraction ofthe energy available from carbohydrates, shared among prokaryotesand eukaryotes, aerobes and anaerobes alike. Base on what you havelearnt and your best...
- Q FALSE about the Nitrogen cycle?Nitrogen is released as ammonia as bacteria breakdown decayingorganic tissue OR Nitrogen is transferred through water, air, andtrophic cycles.
- Q need to expalin in detail and more depth wrt biomedical imageprocessing1) colour biomedical image processing2) 3d biomedical image procssing
- Q Given that the pKas of the α-amino group and the α-carboxylicacid group in an amino acid are about 9 and 2 respectively, explainwhy the zwitterion is the predominant form of...
- Q What have you learned that has changed your mind about diabetesand diabetes management?
- Q Explain how the concept of translational fidelity ishijacked in the following cases: by bacteria in the evolution ofstop suppression, and by scientists in the incorporation ofunnatural amino acids.
- Q MANY FISH SPECIES ARE PROTOGYNOUS MEANING THEY START LIFE ASFEMALES AND SWITCH TO BEING MALES LATER IN LIFE. THERE ARE MANYCOLORFUL SPECIES OF PARROT FISHES AND WRASSES WITH THIS LIFEHISTORY...
- Q Since the late 90s, there have been many claims that autism iscaused by vaccines. Do you know why? A paper titled\"Ileal-Lymphoid-Nodular Hyperplasia, Non-specific Colitis, andPervasive Developmental Disorder in Children.\" It...
- Q CASE STUDY - Global Bike Incorporated GBI Background Global Bikeis a world class bicycle company serving the professional and“prosumer†cyclists for touring and off-road racing. Global BikeInc. is registered as...
- Q Cystic fibrosis is a genetic disorder where mutated alleles(point or gene mutations) produce a defective transport proteinthat results in organs producing a sticky mucus. Discuss how anindividual with cystic fibrosis...
- Q Compare and contrast the mechanisms of how populations evolveover time. Discuss how new species can evolve with an emphasis onallopatric speciation. Be sure to define all terms you use
- Q In the central nervous system (CNS), traumatic injury cantrigger apoptosis. Draw and/or describe the molecular pathway; andthen describe a real or hypothetical drug treatment that wouldprevent this pathway activation. What...
- Q The marine fauna on the Atlantic and Pacific sides of theIsthmus of Panama includes a broad range and large number ofclosely related species pairs. Name the model of speciationresponsible for...
- Q 1- Fertilization is fundamental to sexual life cycles and isoften seen as the start of development.Of the roughly quarter-billion sperm released in a typicalprimate ejaculate, only a few hundred have...
- Q One of the consequences of energy production inorganisms like animals and plants is carbon dioxide production. Atwhat steps does carbon dioxide production occur?
- Q In the absence of oxygen what is one way that cells can“restock†glycolysis with oxidised nucleotides?
- Q What have you learned that has changed your mind about diabetesand diabetes management?
- Q I. Explain how one signal can promote different responses indifferent cells. For example, epinephrine causes the heart to beatfaster while causing the liver to release glucose.II. Describe how epinephrine causes...
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