Biology question and answers for September 16, 2023
- Q Explain how amino acids can be used a source ofenergy, and outline how ammonia is detoxified.
- Q Feeling the tremors of an earthquake a scared residentof seventh floor of a multistoryed building starts climbing downthe stairs rapidly. Which hormone initiated thisaction?(a) adrenaline(b) glucagon(c) gastrin(d) thyroxine
- Q The p53 protein can activate genes involved in apoptosis, knownas programmed cell death. Discuss how mutations in genes coding forproteins that function in apoptosis could contribute to cancer.
- Q Describe the mechanism and process of natural selection and howDarwin used it to explain the diversity seen in his theory ofcommon descent.
- Q Explain the evolution of drug resistant bacteria using MRSA asan example.
- Q What property of cancer cells do chemotherapeutic agents attemptto exploit?
- Q Which of the following will be curable in next twodecades?(a) tuberculosis(b) cancer(c) poliomyelitis(d) none of these.
- Q What is the linkage between biodiversity and ecology?
- Q Explain how elements of the lac operon are exploitedto regulate recombinant protein production in E. coli.this question is biochemistry question
- Q What are the structures of Eukaryotic and prokaryotic cells andtheir functions
- Q Why do you think that some animals have retained flagella aspumps when they are more operationally expensive that muscularpumps?
- Q Human Activity and Climate ChangeIn 1500 words, using APA-style formatting, discuss and give yourposition on the following statement: “Human activity, especiallythe burning of fossil fuels, is a major contributor to...
- Q explain how the following processes each contribute to animaldevelopment: regional specification, cell differentiation,morphogenesis, growth, and developmental time (also known astemporal control). Use citations from peer-reviewed scientificjournal articles or the textbook...
- Q Cellular Respiration Questionsquestsion 1.Energy output. The Gibb’s free energy value for glucose is-2870kJ/mol or -686kcal/mol. If the one molecule of ATP releases30.5 kJ/mol or 7.3 kcal/mol, calculate the theoretical efficiency(showing...
- Q why, in an immunostaining procedure for a specific antigen, doyou normally use two antibodies sequentially? Support your answerswith citations from the scientific literature
- Q In your own words, define each level of prevention.Mammograms, which are x-rays used to detect breast cancer, are aclassic example of secondary prevention. Do mammograms preventbreast cancer? Why or why...
- Q You are on a clinical rotation at a local hospital and areshadowing Nurses and hanging out at the nursing station. One of thenurses who had just came out of the...
- Q 1. Examine/Compare Plant and Animal Cells.2. Identify the organelles within each type of cell and explaintheir corresponding function(s).3. Describe the structure and function of cell components, withemphasis on eukaryotes.4. Discuss...
- Q Describe the main procedures available for the micropropagationof plants, and discuss their application to potato production.
- Q locate one article either from the library or the Internetregarding an ethical issue in clinical research. Choose one of theclinical research roles described in the environment and state howthis group...
- Q In your own words, briefly explain what the difference isbetween active and passive immunization. Incorporate the followingterms in your answer: vaccine, antigen, attenuated, primary immuneresponse, antibodies, serum, and immediate immunity.
- Q 1. How does internal bleeding due to trauma effect hemoglobinand hematocrit levels as it relates to blood?2. Explain leukocytosis after post-traumatic splenectomy?3. What impact does a splenectomy have on the...
- Q Explain what type of mechanism will be used to transport glucosefrom your intestine to your muscles. The relative levels of glucoseare provided below.a. Intestinal epithelium cell: high glucose to Interstitialfluid...
- Q Discuss how defects in cell to cell communication may lead to humandiseases. Please answer in specific details and typed out! Thankyou very much!
- Q 1. What are the functions of the following elements found ineukaryotic cells? a) lysosome b) Golgi apparatus c) mitochondria d)endoplasmic reticulum
- Q Given funds and available land sufficient to protect a givenquantity of land (10,000 ha for example), how would you decide thebest size, shape, and configuration of areas to protect?Explain.
- Q Why is it important for science to be falsifiable andtestable?
- Q What is the difference between a nucleoside and a nucleotide?Why do you think it is important that the sugar phosphate backboneof DNA is held together by covalent bonds, and the...
- Q Rapid advances in the field of molecular and cellular biologyhave unwillingly unleashed the potential for creating viruses andbacteria more virulent than nature's worst. In the summer of 2002,Researchers at the...
- Q The male hormone system is _______ and the female hormone systemis _______.a. constant;cyclic b. cyclic; constant c. cyclic; cyclic d.constant;constantPlease explain why
- Q Relate the most importance's facts of organisms grow anddevelop
- Q Enumerate the important facts of organism's reproduction
- Q Relate the important findings of communication betweenorganisms
- Q In fruit flies, a grey body is dominant to a black body, andnormal wings are dominant to vestigial wings. Flies areheterozygous for both grey bodies and normal wings were crossedwith...
- Q Describe the chemical and electrical signals
- Q Enumerate the classification of organisms in domains
- Q Briefly describe the Linnaeus system or binomial system
- Q B cell Generation/Activation/Differentiation
- Q What are the differences in cell envelope structure betweengram-negative and gram-positive bacteria? How might thesedifferences become important if you wish to genetically engineerbacteria to excrete proteins into the extracellular fluid?
- Q 1)Discusshow single nucleotide polymorphisms/mutations can be analysed andutilised in forensic science. please write approx 700words
- Q Discuss one important application in the field of biotechnologythat has made headlines in the past year or two
- Q 7. Describe the structure of the B-cell receptor (BCR). How isthe BCR able to trigger a signal transduction pathway when itscytoplasmic tail is only 3 amino acids in length? Outline...
- Q 1- What are the concentration gradients for Na+ and K+?2- Explain why a positive Veq for a cation means an inward drivingforce and a negative value means an outward driving...
- Q Several ideas might explain the persistence of alleles thatlower individual fitness. Label the lettered parts of your answer.A. What is a kin-selected gene? B. What is a sexually antagonisticgene? C....
- Q Anthropologists believe that, several million years ago, ourancestors colonized an ecological niche different from the oneoccupied by the other African apes. Label the lettered parts ofyour answer. A. What is...
- Q 1)Discuss why PCR amplification andsize separation using capillary electrophoresis is used in thegeneration of an STR Profile. write approx 700 words
- Q Compare the historical technique of VNTR analysis tothat of STR analysis in relation to discriminatory ability and dataquality. write approx 700 words
- Q Search the internet, text and reference books, related articles,social sciences dictionaries or encyclopedias for the followingdefinitions: biology, genetics, sociobiology, social sciences,biological anthropology, biological diversity, humanvariation.Write 4 sentences describing how the...
- Q Explain using examples, ‘how’ and ‘why’ you wouldcollect Sensitivity and Specificity data when performing aValidation Study on a new DNA STR Profiling Kit.
- Q Visit or call a store with a plant nursery (Walmart,Home Depot, etc.) and describe the planting of spinach to anassociate or customer as if you were really having this issue....
- Q 1. How does distance of a prey item affect the net energy gainof the predator?2. How does prey size affect the optimal distance at which topursue prey?3. How does abundance...
- Q 1. When designing an experiment to test your hypothesis, youneed at least two different conditions. In the “experimentalâ€condition one or more of the variables are altered to test thehypothesis. The...
- Q Describe the molecular mechanism by which high energy charge inthe cell inhibits the activity of the pyruvate dehydrogenase (PDH)complex. Explain why metabolic regulation of PDH makes sense withregard to controlling...
- Q Part A - Overview of Macromolecule ClassesOrganic compounds are large polymers containing carbon. Allcellular and tissue-based structures of the human body can belinked to at least one of these groups.Sort...
- Q Epidemiology is critical in the field to identify trends inspecific intellectual and developmental disabilities (IDD)populations, such as Down syndrome and autism. true or false.Explain
- Q Question 12 pts(TCO 1) Which of the following is not a necessary lifefunction?NutrientsMaintaining boundariesResponsivenessMetabolismMovementQuestion 22 pts(TCO 1) In describing the relationship of the thoracic and spinalcavities,the thoracic cavity is ventral...
- Q MHC detection by mixed leukocyte reaction
- Q fetus as an Allograft but not occur rejection ?why
- Q What are the macroscopic features (neuropathology) of chronicTBI? How is the structure of the brain affected?
- Q Which of the following is a characteristic of a cytotoxic Tcell?A)They originate in bone marrow.B)They have antibodies on theirsurfaces.C)They are responsible for the memoryresponse.D)They recognize antigens associated withMHC I.Which of...
- Q The human body is very complex and seeks to maintain a constantinternal environment. This state of dynamic equilibrium is calledhomeostasis. Some diseases such as diabetes can impact the body'sability to...
- Q The integumentary system is an essential organ system,separating the external environment from the internal environmentof the human body. As such, this system protects the body from theinvasion of harmful substances,...
- Q Compare the Pyruvate Dehydrogenase Complex to the Branched ChainKetoacid Dehydrogenase Complex. How are they similar and differentin terms of functionality and nutrient requirements l. What organicacids are elevated when there...
- Q Fill in the blankReproductiveSperm and eggmicroevolutionTransposonsNatural selectionIndependent assortmentMutationGene flowpopulationsGenetic driftFrequenciesEvolutionCrossing over1. Population genetics examines changes in the _______ ofcertain traits in _________ from generation to generation.This is the basis for...
- Q Place checks in the table to indicate which groups have whichtraits.Nonvascular PlantsSeedless Vascular PlantsGymnospermAngiospermCuticleEmbryo retained by parentFlowerFruitPollenSeedSporeStomataTracheidsVessels
- Q 16. Where are Toll-like receptors (TLRs) located? What TLR wouldrecognize a bacterium that possesses a flagellum? What result doesTLR-bacterium binding produce and how would that trigger an innateimmune response?
- Q What is the acute phase response (APR)? What are the maincytokines and a few of the proteins are involved in it? What doesthis response contribute to innate immunity ?
- Q Your qPCR quantification results show that you haverecovered a total of 30ng in 200µl of AE buffer.First, calculate the concentration of your DNA solution. Second,calculate the volume of DNA to...
- Q 1. The krill Euphausia pacifica, feeding on thediatoms, increased in dry weight by an average of 1.6 mg per month,while consuming an average of 5.0 mg dry weight of prey....
- Q What is the linkage between biodiversity and ecology?
- Q Sensory systems allow us to perceive different types of stimuliin the environment. Compare similarities and differences of sensorytransduction processes in the visual, hearing, vestibular andsomatosensory systems. Discuss common causes, molecular...
- Q 1. What is activation energy?A. The energy used by the active site to split asubstrate.B. The energy released when a substrate binds to an activesite.C. The energy required to start...
- Q There are two types of genetic drift. Describe and give anexample of both the bottle neck effect and the founder effect.Your assignment should be 250-500 words in length.
- Q How does allosteric modulation regulate glycolysis,gluconeogenesis, and glycogen levels?
- Q What is the cell type that produces osteocalcin and collagen?
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