Biology question and answers for July 19, 2023
- Q 1. Describe the effect of aging on the ANS?2. What effect would cutting the vagus nerve branch thatinnervates the stomach have on gastric function?3. In what ways are the autonomic...
- Q Why would there be steatosis (lipid accumulation) in the liverof a patient with Systemic Carnitine deficiency? Why will skeletalmuscle carnitine content remain below normal despite high-dosecarnitine therapy in this patient?
- Q A patient in the hospital has an intravenous catheter insertedto allow for the delivery of medications, fluids, and electrolytes.Four days after the catheter is inserted, the patient develops afever and...
- Q Distinguish in biochemical detail between ?-oxidation ofsaturated and unsaturated fatty acids
- Q Generally speaking, the DNA sequences of introns evolverelatively rapidly, and are not well conserved. Nevertheless, it isstill possible that the existence and the location of an intron mayhave been conserved,...
- Q Which statement is INCORRECT regarding voltage-gated potassiumchannels?- The gating of the channel involves movements of transmembranehelices.- The K+ is transported down its concentration gradient.- A cytoplasmic inactivation peptide blocks the...
- Q I) A 77-year-old woman was cooking in the kitchen when shecollapsed onto the floor. Her daughter called an ambulance and thewoman was taken to the emergency room. She had suffered...
- Q 1)Wild-type snapdragon plants have green leaves.Gardeners discovered and bred a new variety of the snapdragonplant that had golden leaves rather than green leaves. A crossbetween two golden snapdragons produced two...
- Q Learning Task 18-02: Genetic DisordersResearch and write a brief description of each geneticdisorder. 1- Huntington Disease 2- Tay-Sachs Disease 3-MarfanSyndrome 4- Cystic Fibrosis 5-Duchenne Muscular DystrophyFor each disease, state the...
- Q Your landscape design scenario is a new landscape that utilizesplant species with very low evapotranspiration value. Themicroclimate is high with an unprotected environment in a windyarea. The plant density is...
- Q Mismatch Repair:When does it act?[\"S phase\", \"Any time in the cell cycle\"] Â Â Â Â What is fixed?[\"Substitutions\", \"strand breaks\", \"thymine dimers\"]Â Â Â Â What is removed?[\"One bond\", \"One nitrogenous base\", \"One nucleotide\", \"Manynucleotides\"] Â Â ...
- Q Why could GMOs have a different impact on the environment fromgenetically engineered bacteria used to make pharmaceuticals?
- Q If you have TAG molecule in adipose cells, how can fatty acidsget into mitochondrial matrix? (starting with TAG in adipose cellsand ending with fatty acyl-CoA in matrix; draw the flow...
- Q Death from amyotrophic lateral sclerosis usually resultsfrom respiratory infection secondary to compromised respiratoryfunction.II. Name three each of unencapsulated and encapsulatedsensory receptors and tell what they are used for.III. What would...
- Q Discuss the signal transduction pathway involved inde-etiolation or another process that occurs within plants thatinvolves a signal transduction pathway. Include the following: thesignal, the receptor, the response, amplification, the role...
- Q 1. We discussed phage in the context of sausage fermentation; itis also a serious concern in many modern, high-throughput cheesefermentations. However, phage problems never occur duringtraditional sauerkraut or kefir fermentations....
- Q Give examples of chemical methods of disinfection and theadvantages and disadvantages of each example, include alcohols,Halogens, phenol and phenolics, biguanides, bisphenols and heavymetals.
- Q Discuss the relationship between Homo sapiens, Homoneanderthalensis, Homo heidelbergensis, Homo floresiensis andDenisovan hominid.
- Q Label them 25,26,27,28,2925) Use this volume of 0.1 M NaCl stock solution to make 20 mlsof 1 mM final concentration26) Use this volume of 10 mM NaCl stock solution to...
- Q Fully explain how the crop maiz was genetically engineerred tohave Bt insect resistance
- Q Please answer all questionsWhich of the following would be appropriate to use as anantiseptic?A. EthanolB. Ultraviolet lightC. BleachD. PhenolIf a piece of heat-sensitive medical equipment must be sterileto be used,...
- Q Make a detailed comparison of DNA vs RNA, providing at leastFOUR distinguishing characteristics.Make a comprehensive comparison of aerobid respiration withfermentation, providing at least FIVE features that distinguishthese process. Why are...
- Q Is determining the modality (competitive, uncompetitive,noncompetitive) of an inhibitory compound important? If so, why?Under what conditions ([S] vs. KM) is a competitive inhibitor themost effective? Under what conditions is an...
- Q A) In duplicate recessive epistasis why does having either an(aa) or (bb) genotype cause no pigment?B) Explain the differences between Duplicate Dominant epistatisand Dominant epistatis. When doing monohybrid crosses, how...
- Q A sequence of a following DNA template strand 5' -GTAACGGGCACGTCC - 3' was transcribed to an mRNA that was thentranslated to a protein. What would be the first amino acid...
- Q 1. Who is responsible for the rise in childhood obesity?Parents? Pediatricians? The children? Society?2. Discuss some ways that an older adult could increase his orher dietary vitamin D. Keep in...
- Q Stephen Jay Gould and others have argued that the evolution of aself-conscious, intelligent species (i.e., humans) was historicallycontingent, or it would not have occurred had any of a great manyhistorical...
- Q 1. You just has a bunch on twinkies for breakfast. Initially,you feel pretty good, but then feel low energy. After a few hours,you start to feel a little better. Describe...
- Q Genes A, B, and C are linked on achromosome and found in the order A-B-C. Genes Aand B recombine with a frequency of 9%, and genesB and C recombine at...
- Q Please answer flowing questions1 which plants( Algae, Bryophyte, Monilophytes of Horsetails andferns) are gametophyte dominant? explain2 which plants(Algae, Bryophyte, Monilophytes of Horsetails andferns) makes spores? explain3 name the structure bryophytes...
- Q HiCould anyone please explain to me the principle behind the RNAisolation experiment.
- Q Which of the following about the multi-vesicular endosomalpathway are TRUEESCRT complexes create multiple vesicles in the lumen of thelate endosomeProteins targeted for degradation are retained outside thevesicles in the endosomal...
- Q Identify some possible effects of the following factors onmicrobial growth: pH, osmotic pressure, chemical requirements suchas carbon, nitrogen, sulfur, phosphorus, oxygen
- Q what are the genes and genetic controls governing the EntnerDoudoroff pathway? Explain in great detail
- Q You are a researcher who is interested in three genes indrosophila: The a gene, the b gene and the c gene. You think thegenes may be linked, so you decide...
- Q A PET scan reveals that an individual's cancer has spread to thecervical and axillary lymph nodes on the patient's left side only.To prevent further spread, all of the lymph nodes...
- Q 1. Although we teach natural selection using a single allele, werecognize that natural selection works upon the entire phenotype ofan organism, not an individual loci.About 85% of the human population...
- Q describe how phase I and phase II metabolism influence/affect i)renal and ii) hepatic eliminationof a drug? Answers must be detailed and complete sentences.
- Q GeneticsWhat are some causes of cancer?Cancer can arise spontaneously, but can also be induced as aresult of environmental factors such as sun exposure and smoking.If you were in charge of...
- Q Outline the evidence supporting the proposition that chimpanzeehave culture and present the arguments opposing this view too.Which view do you suspect is correct and why do you think this? Howcould...
- Q Do a search online or look in your textbook for 1-2 antibioticsthat affect Gram-positive bacteria and list them. On what part ofthe cell do the antibiotics usually work? List one...
- Q Genes A, B, and C are linked on achromosome and found in the order A-B-C. Genes Aand B recombine with a frequency of 9%, and genesB and C recombine at...
- Q what is nervous system and its functions
- Q 3) Describe the purposes of the principle process involved intreatment of waste water .
- Q Compare your crayfish with one of theopposite gender.What bodyregion or segment are the walking legs attached to? Whatabout the swimmerets?How does the shapeof each appendage type fit its particular function?Chelipeds:Walking...
- Q Early in an infection, the body produces a variety of \"acutephase proteins\" to ramp up an immune response. What sort ofbenefits do these acute phase proteins provide and what sort...
- Q Define ecology. Discuss what criteria influence populationgrowth and how different species interact with one another,providing at least 3 types of examples . List the three criterianecessary for ecosystem survival. Define...
- Q You are given the task of creating a genetic map of three genesof Drosophila melanogaster . The genes are all located on the samechromosome. The genes are for body color,...
- Q 3 Part Question1. Give the total number of moles of ATP produced during thecatabolism of one mole of glucose. Assume the glycerol 3-P shuttleis working.2. Calculate the number of moles...
- Q Please explain what photsyetems 1 and 2 are and it’s jobs
- Q 4. Explain the difference between a positive and negativehormonal feedback loop. How is the testis (i.e. testosterone)regulated ? Explain why giving exogenous testosterone has littleeffect on serum levels but dramatic...
- Q 1. What is microevolution?2. Explain through the process of microevolution how naturalselection produces adaptations while other evolutionary forces(specifically genetic drift, migration/gene flow, andnon-random mating) may produce random evolutionary changeswithin populations.3....
- Q Why is it important to have sterile workspaces and equipmentwhen performing cell transformations and culturing?
- Q Describe five different mechanisms or means that one couldpursue to prevent or reduce micronutrient deficiencies and providean example for each that has been applied to improve the dietaryquality of food...
- Q Which single category of gene function has the mostrepresentation in both bacterial and eukaryotic genomes?
- Q What is the number of ATP and ATP equivalents that can beproduced via oxidative phosphorylation per cycle of the Citric AcidCycle (CAC), starting from pyruvate? B) What is the number...
- Q Knockout mice are created by incubating embryonic stem (ES)cells with a DNA construct that contains a portion of the gene witha disrupted exon. The exon is disrupted by inserting a...
- Q 1. You are studying a particular type of lung cancer, small-celllung carcinoma. You are interested on driver mutations of thiscancer, that is mutations that provide strong selection advantageand thus have...
- Q Describe the sexual reproduction cycle in fungi (a generalprocess, not for a specific type of fungi). Is the fungal sexuallife cycle a type of alternation of generations seen in plants...
- Q The sirtuins are a class of NAD-dependent deacetylases that arethought to play a role in the cellular response to nutritionalstatus. Some sirtuins are involved in remodeling chromatinstructure. A) How would...
- Q 1)Explain the most and least effective uses of a viableplate count.2)Determine if complement is part of innate immunity oracquired immunity or both and defend your decision.3)Explain how the results of...
- Q Bill has come to you for genetic counseling.  He isconcerned that he and his sister (Alice) are at risk for Huntingtondisease. Bill and Alice are too young to showsymptoms.  Their grandmother, (Mary)...
- Q During photosynthesis, ____ is reduced and ____ is oxidized.O2; H2OCO2; H2OO2; C6H12O6H2O; C6H12O6CO2; C6H12O6
- Q Connective tissue is the most diverse of all tissue types. Why doyou think that is? Why do you think blood and lymph are classifiedas a type of connective tissue?
- Q Which list of elements below is present in all biomolecules inplants?Sulfur, silicon, and calciumOxygen, hydrogen, and carbonChlorine, iron, and zincPhosphorus, nitrogen, and carbonPotassium, oxygen, and magnesium
- Q a.Name one of the cardinal signs of inflammation triggered byactivated complement proteins.b. which of the three asexual spore formation method in fungimost closely resembles the formation of bacterial endospores?
- Q You are given a sample containing two proteins inphosphate-buffered saline: Protein A(pI value 8.4) andProtein B (pI value 7.0).You wish to separate this protein mixture byion-exchange and have available a...
- Q Case Study 2: Bill (please answer question 2 and 5only)Bill is 52 and has been previously diagnosed with Type 2Diabetes Mellitus. He admits that he often does not take hismedications...
- Q Describe/recognize how some bacteria can get ATP energy fromother organic compounds other than glucose
- Q Question 2. How is DNA information used to make proteins? Whatare the steps of this process?Give an example of a scenario in which you would perform PCR vs ascenario in...
- Q Methodology (with images)How to obtain and prepare animal and plant cells for observationunder the microscope?
- Q Methodology (with images)How to apply staining technique for animal and plant cells?
- Q Copy ofAmong the four available choices, which one bestdescribes the following statement:chemical modifications on the tails of histonesdetermine whether chromatin is open (decondensed) orclosedA.in eukaryotes (euks) onlyB.in neither proks nor...
- Q 2. (3pts) You are studying a single-pass transmembrane proteinwhich is destined to the plasma membrane. The protein has a lysineamino acid which flanks the N-terminal side of the transmembranedomain and...
- Q What are some strengths, weaknesses, and techniques ofimmuno-fluorescence microscoy?
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