Biology question and answers for September 09, 2023
- Q After performing a spread plate method on a bacterial specimen,the culture was incubated for 48 hours at 37°C. Upon viewing theplate, there was heavy growth with no isolated colonies. Pleasediscuss...
- Q List the major molecules that make up typical Gram-positive andGram-negative cell walls and note which molecules are unique toeach type of cell wall. How do these molecules contribute to thefunctions...
- Q Recognize the structure of the heme group and know its purposein hemoglobin or myoglobin
- Q For each enzyme, state the kind of ribosome on which it’s made(cytosolic or RER). If it’s made on a RER ribosome, state the finaldestination of the protein in the endomembrane...
- Q 1) Describe the human activity(ies) that would result in the release of the following chemicals andwhat organisms are likely to beexposed.(2 pointseach)A) trichloroethane B) triclosan (5-Chloro-2-(2,4-dichlorophenoxy)phenol)C) tetrachlorobiphenylD) dichlorofluoromethane
- Q Sterility is associated with loss of function (LOF) at a gene Z.The gene has 5000 bases where LOF mutations can occur. Assuming thehuman mutation rate is 2x10^-8 per generation. Homozygotes...
- Q power point presentation on malaria
- Q A protein retained on an affinity chromatography column isusually eluted off the column by (circle the correct answer) A.increasing the salt concentration in the buffer B. changing thetemperature of the...
- Q You are asked to draft a sustainability plan for for yourcommunity. Identify and describe five main challenges which youwould aim to tackle in this plan, focusing mainly on energy issuesand...
- Q Core concepts of population health emerged in 18th and 19thcentury Europe, yet soon came to circulate around the globe. Thiscirculation produced the field we know today as global health orglobal...
- Q . a) In each of the following changes indicate which are agerelated and which are age associated changes and age associateddiseases. Us abbr AR,AS, ASD. b) Also indicate under each...
- Q Describe how renewables will participate in the smart grid,making it more robust. Highlight what you think are the four mostimportant attributes.
- Q If you ran a deaminate phenylalanine test, how would you know thatan increase in pH was due to deamidation and notdecarboxylation?
- Q From Darwin to DNA: The Genetic Basis of Color Adaptations byHopi Hoekstra ( Article Link:https://nescent.org/media/NABT2010/pdf/Hoekstra.pdf)How can Darwin be linked to Francis Crick, the co-recipient ofthe Nobel Prize for modeling the...
- Q Problem 1. Mitochondria may be prepared from cells and tested incell free experiments. If supplied with pyruvate and oxygen,isolated mitochondria are capable of aerobic metabolism.C. You as the investigator measure...
- Q 1) What were the first animals like?2) Compare the diversification of plants and animals. When domajor body plans appear in these groups (for animals, thinkdifferent phyla, and for plants, think...
- Q Three linked traits in garden pea plants are each controlled bytwo alleles. Yellow pods are recessive to green pods, bluish greenseedlings are recessive to green seedlings, and creeper isrecessive to...
- Q “In the model organism E. coli, recombination mediated by therelated XerC and XerD recombinases complexed with the FtsKtranslocase at specialized dif sites, resolves dimeric chromosomesinto free monomers to allow efficient...
- Q 1) What is the event that marks the transition from haploid tothe diploid stage of the life cycle and what event marks thetransition back to the haploid stage again. Describe...
- Q How do the four levels of protein structure affect the shape ofenzymes and why is this important for enzyme function? Explain the\"lock and key\" model of enzyme function using the...
- Q topic: adolescent use of protective measures to prevent dentalcaries in their permanent teethBriefly explain how the scientific method could be used toaddress one issue related to the topic above.
- Q 1. Explain the basic mechanism of separation in an HPLC columnwith emphasis on mobilephase, solid phase, retention time, normal phase, reverse phaseand selectivity.
- Q Define therapeutic range/level and lethal dose. What units areassociated with theseterms?
- Q What is an isocratic separation? What is a gradient separation?Describe a gradientelution in normal phase and in reverse phase.
- Q In a neuron with a complex morphology such as a corticalpyramidal cell, explain how features such as dendritic spines,dendritic shape and non ligand-dependent ion channels in themembrane affect spatial and...
- Q What are three potential functions of transmembrane proteins andwhy are they important?
- Q List and describe the derived traits of plants.
- Q For ATP synthesis by oxidative phosphorylation, the P/O ratiosof NADH and FADH2 are ~2.5 and ~1.5, respectively. Explain howmitochondrial electron transport, ATP synthase, and other membraneprocesses account for these numbers?
- Q One of your friends is preparing for a run in a marathon. Shehas heard about eating a pasta dinner to glycogen load the eveningprior to the marathon. Explain in biochemical...
- Q What are the properties of water that results in cohesion oradhesion?
- Q Given the half of the DNA strand:5'-GTTAGCCGTCTAATATGGTGAGATGTTATAACCCGCAGTTTACAACTTCAA-3' 1.At whatpart is of the peptide is where Arg located? At what part of thepeptide is where the stop codon located? Where is...
- Q Describe the growth pattern of E. coli, B subtilis, S. epidermis,B. cereus in broth
- Q Whyis it important to subculture bacteria?
- Q Advances in genetic technology like genetic and genomic testingand gene editing are transforming human biological sciences, butare creating new ethical dilemmas. Here, we address theimplications of direct-to-consumer genetic testing.**Note--link to...
- Q Use a flow chart or draw a picture to describe how fusionpeptides works. Using HIV as an example, describe the proteinsinvolved and where the process occurs. Be sure to identify...
- Q Flowers are sometimes referred to as ‘pets of the plant world’.Explain this statement. How did alliance with humankind affect theevolution of plants cultivated for their flowers?
- Q describe a real life application of the plaque assay
- Q 1.What is a Great evolutionary transformation?2. Why is the evolution of whales puzzling?3. What was Darwin's hypothesis about whale evolution?
- Q Quantification of DNA Using Agarose GelsDirections: Please answer thefollowing questions in complete sentences.What problems might arise if the agarose wasn't dissolved/meltedcompletely or if there were air bubbles in the gel?Why...
- Q \"How does the form of a protein impact protein function? Be ableto make a reasonable answer if given the shape of a protein andasked to determine a potential function.\" a...
- Q Your Crop Domestication - TeaYour goal is to explain the history of your plant'sdomestication by humans (specific questions to address below).Using your book and any other reputable sources (Links to...
- Q Describe how the water potential in the gas phase ofthe air surrounding a plant influences xylem transport. What is theprimary means by which a plant can control this interaction?
- Q \"How does RNA protect itself from degradation?\" functionalbiology review question.
- Q 1. Explain how the nurturing behavior of a mother during thefirst week of life can shape her child's ability to respond tostress. Draw it and label relevant genes/proteins.​2. Compare and...
- Q 1. How can just paternal or maternal traits be expressed inoffspring and how can some \"acquired traits\" be passed on tooffspring?​2. How can identical twins have identical genomes but differentphenotypes...
- Q What is hydrophobicity? What is hydrophilicity? How does thehydrophobicity/hydrophilicity of a substance influence the solventsthat can dissolve them?
- Q Based on what we learned in the lecture on spatial structure andon competition, how important is it to vary spatial structure whencharacterizing competitive interactions? Use specific empiricalexamples to support your...
- Q Huf and Ussing performed experiments where they measured acurrent flowing between two chambers when each chamber had beenfilled with a saline solution and the chambers were separated bythe skin of...
- Q In a brief paragraph, please explain what are the differenttypes of polymerization reactions and give specific examples ofpolymers (products) of those reactions. Please do not copy andpaste from a google...
- Q Why might you expect stepparents to invest less in theirstepchildren when compared to biological investment in biologicalchildren?
- Q What is hypertropic cardiomyopathy? How does this relate to exrciseand younger athletes?
- Q What are for ways (anatomical or physiological) plants in dryenvironments conserve water?
- Q What is metabolic water? What are for ways (anatomical,physiological or behavioral) animals in dry environments conservewater?
- Q Based on what you know about the organic and inorganiccharacteristics of the biomes, list five “challenges†thatorganisms face who live in A) the tropical rainforest B) arctictundra C) temperate forest...
- Q What are the major human impacts in terrestrial and aquatichabitats? List four (or more) for each.
- Q What is the term for an animal that keeps a constant internaltemperature? What are five things (anatomical, behavioral, orphysiological) that animals have (or do) that allow them to A) keepcool...
- Q Which biome would be most impacted by agriculture? Whichbiome(s) would have fire adapted species?
- Q This is a confocal microscopy class. So please answer clear anddetail according to the subject. Thank you1.Explain how light diffraction causes the lateral point spreadfunction of light as shown by...
- Q Describe the differences between and FOOD CHAINand a FOOD WEB in an ecosystem. Define what atrophic-level is and what that has to do with theenergy transfer in the ecosystem and...
- Q Please explain clear and different to the answers that arealready in other websites. Thank you1. An interesting mutation in lacI results inrepressors with 110-fold increased binding to both operator andnonoperator...
- Q What are the applications of CRISPR or Cas9 technology in medicine and biotechnology?
- Q What are the ethical implications of CRISPR or Cas9 technology?
- Q Foodborne epidemiologists at the local health departmentinvestigated an outbreak of food poisoning at a Cinco de Mayopotluck dinner. Initially the epidemiologists determined thatnachos were the cause of the outbreak. However,...
- Q Describe the role of vesicles in the transport process betweenthe nucleus, endoplasmic reticula, and the golgi apparatus.
- Q Describe a way a drug might affect synaptic transmission.
- Q Shown following is the first 30 amino acid (one-letter code)region of this putative amino acid sequence for p18:1YFNPSÂ Â Â Â 6TSDWPTÂ Â Â Â 11LAPANÂ Â Â Â 16YTFLFÂ Â Â Â 21FLARYÂ Â Â Â 26WYINL30A) Based on the partial amino acid sequence provided, do youthink that it...
- Q Why is a retrovirus like HIV almost invariably capable ofevading the host's immune system when many other pathogens arenot?
- Q what are the aspects of visual impairment andblindness?
- Q Tom was recently diagnosed with a tumor in theposterior aspect of his spinal cord at the level of C6 that hasresulted in a C5 incomplete spinal cord injury with changes...
- Q 1. In the absence of folate-fortified foods, is it possible thatmutations in the pathway of folate synthesis could cause SpinaBifida?2. What are the possible advantages or disadvantages to theorganism or...
- Q A study is conducted on 8,000 individuals free of diabetes and8,000 individuals with diabetes. The investigators are looking todetermine if a newly marketed drug may prevent diabetes. Amongpatients with diabetes,...
- Q Draw a graph showing what would happen to resting membranepotential over time, if the sodium/potassium pump were notfunctioning. How would this affect a neuron's ability to produceaction potentials? What does...
- Q Question 1What is the process that results in a population adapted to theenvironment?Group of answer choicesnatural selectionreproductionhomeostasisbiodiversitymetabolismFlag this QuestionQuestion 2Which of the following is NOT required fornatural selection?Group of answer...
- Q TRUE/FALSE1.) Asymmetric distribution of phospholipids in the bilayers ofcell membranes arises because phospatidylcholine and sphingomyelinspontaneously translocate from the cytoplasmic to theextracytoplasmic face of the membrane.2.) The carbohydrate headgroups in glucosyl...
- Q indetail, describe site specific integration of a mobile element intothe chromosome. Use a diagram with labels to point out integrationand the enzymes required. What are the components present on thehost...
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