Biology question and answers for October 02, 2023
- Q From the list below, choose two organisms or cell types anddiscuss what makes them unique compared to the cells Oscillatoria,Gloeocapsa, Lactobacillus, Chara, Onion cells and for animal cells:muscle, kidney and...
- Q Describe 2 ways that energy and matter flow in the tropical rainforest ecosystem. Â Â Â
- Q DNA: How many spacing base pairs between two double-crossoverunits so that the two double-crossover units are parallel to eachother?Hello! I have no idea what my professor is asking here, any...
- Q 1) Draw and explain why theconformation freedom of peptides is limited.2) Discuss the roles of hemoglobin andmyoglobin in transporting oxygen and carbon dioxide
- Q Is RNA directly used in DNA replication?1.RNA is not involved during the process of genomereplication2.RNA is needed to provide the 3' -OH groups at the start ofconstruction of new DNA3.tRNA...
- Q Should we be worried about low genetic variation in smallpopulations of endangered species? (Focus your answer in at leasttwo different endangered species).
- Q Bar eye (B) is a dominant and sex-linked trait of Drosophila.Curved wings (cu) and black body (bl) are recessive traits, bothfound on chromosome 2, separated by 24 map units. A...
- Q What chemical you use to induce cell competent fortransformation? What are three important features a vector shouldhave?  Why it is important to have the recovery processduring transformation? What is the next...
- Q 46. Of the following surface areas of the body, the oneassociated with the greatest amount of ​neural tissue in theprimary somatosensory cortex is the __________, while the area​associated with the...
- Q Phylum Arthropoda Discussion:5. What are the advantages and disadvantages of having anexoskeleton?6. Define metamerism and tagmatization and discuss theadvantages of these characteristics.7. What are a crayfish’s gills attached to? Why?8....
- Q Compare/contrast how you think these sugars below would bemetabolized by yeast. Be sure to explain your reasoning refering totheir molecular structures.GlucoseSucroseMaltoseLactoseStarch
- Q QUESTION 1Muscles can use ketone bodies, glucose, and fatty acidsfor energy.TrueFalse1 points   QUESTION 2Lysine and arginine are the only purely ketogenic aminoacids.TrueFalse1 points   QUESTION 3Arginine is a precursor for the...
- Q Demonstrate BY DRAWING theNephon  Be sure to draw the following:GlomerulusPCT, Loop of Henle, DCT, Collecting DuctUsing arrows, demonstrate filtration, reabsorption, andsecretion in your drawing3. Using arrows show, the active / passive...
- Q 1- Which geological period saw the highest diversity of fishes?List the three main groups of armoured fishes that coexisted andradiated in this period and their main characteristics. Providesome possible explanations...
- Q 1- Make two labelled drawings: 1) a lancelet, and 2) a benthictunicate. Then discuss why both organisms are placed in the phylumChordata. 2-Describe a) the mammal characteristics and b) the...
- Q 1-a)List the defining characteristics of the Chondrichthyes. b)Draw a simplified phylogenetic tree for cartilaginous fishes andoutline the characteristics of the three main types. 2- Describe the main evolutionary steps involved...
- Q 1) Describe the use of Small SubUnit ribosomal RNA (SSU rRNA)gene sequences for the identification of bacteria in microbialcommunities. 100 marks2) Describe how the genetic content of a bacterium determinesthe...
- Q 1-Explain six of the following terms with reference to theMollusca. In your answer be as comprehensive as possible regardingeach term and use illustrations. a) mantle cavity, b) radula c)ctenidia, d)...
- Q 1- What is the purpose of the IMViC series of tests? Explain theunderlying biochemistry of each reaction and describe how each testis carried out. 100 marks2-“The human microbiome is our...
- Q What is lactose?  What codes for the production of therepressor?  Why would the bacteria want to regulate the production ofcertain genes?  When would the repressor be bound to the lacoperon?  What would happen if...
- Q Question: You perform a lab where you are instructed to observethe characteristics of a lipid molecule in oil and water and aretold to conduct 3 trials each time for the...
- Q 21. What is the ecological significance of the glomeromycetes(Glomeromycota)?22. What are arbuscules?23. Mycorrhizae are symbiotic relationships between fungi and_________________________________________________________________.24. What does each partner get from their mycorrhizalassociation (how does each...
- Q explain how the following factors influence the rate anddepth of respiration:increased body temperature,exercise,talking andcoughing
- Q Explain why DNA is the ideal genetic material. That is, explainhow DNA uniquely fulfills these properties of the geneticmaterial:Stores information securelyIs replicated accuratelyGenetic information can be usedGenetic variability occurs so...
- Q BioChemistry ProblemState whether the Hill Coefficient (N) is positive or negative?Explain your reasoning in each case.(a) The protein has multiple subunits, each with a singleligand-binding site. Binding of ligand to...
- Q 1. Discuss 4 - 5 features how prokaryotes in general aredifferent from eukaryotic members. Include how prokaryotes as wellas eukaryotes belong to the microbial world.
- Q 1.  What is unique about fish? How is it best to carefor them? What does the aquarium industry look like?2. Think about all the fish species we have in captivity. Arefish...
- Q 1.Does Unc-22 have a conserved region, like HD domain, zimc fingersif so, where is it located?
- Q Discuss what Darwin observed during his voyage on theBeagle. How did those observations lead to his theoryabout common descent with modification?Use the scientific method in your discussion.Step 1: What did...
- Q could we find an organism where functional RNA or protein moleculeswere copied directly to pass on to offspring?
- Q Material:Plant tissue (strawberries orsplit peas)400-mL beakerBlenderTable saltTablespoon1/8 teaspoonLiquid detergentTest tubes and test tuberackMeat tenderizerGlass rodsIce-cold 70–95% ethanolIce-cold dH2OStrainerProcedure – DNA Extraction1.Combine in a blender:1/2 cup frozen green split peasor approx....
- Q Experimental TreatmentNumber of bacterial colonies on the plateWhat color were the colonies under normallight?What color were the colonies under UVlight?-pGLO/LBlawnbeigeNo color change-pGLO/LB/ampNo colonies presentThe plate looks the sameNo color change+pGLO/LB/amplawnbeigeNo...
- Q 1. Learning to read is similar to learning to talk formost people.a. Trueb. False2. Our eyes constantly jump around with movements knownas _______________.a. saccadesb. scotopicsc. subitizing3. Which of the following...
- Q 1.  Describe why it is easier to geneticallytransform single-celled bacteria compared to multi-cellularanimals?2 List two bacterial traits that will be altered by bacterialtransformation with pGLO plasmid?3. List two bacterial traits...
- Q For each of the following tRNA anticodon sequences, determinewhich amino acid would be charged onto the tRNA. (note: these areANTIcodon sequences, not codon sequences) If more than one tRNA isnecessary...
- Q Some photosynthetic Cyanobacteria can fix N2 to NH4 + (using theenzyme Nitrogenase) when they are otherwise starved for nitrogen.They sense nitrogen starvation by sensing an excess of the aminoacid Glutamate...
- Q Describe a purification scheme that starts with a mixture ofcells, virions and proteins and ends with a tube containing purevirions. Or, how about obtaining a supernatant solution containingonly pure virions?
- Q Question:Is there a difference between oncogenes and tumorsuppressor genes?1. Yes, oncogenes are genes that can cause cancer whenthey become mutated to become proto-oncogenes, whereas tumorsuppressor genes play no role in...
- Q What are 2 other cell types that the basophil cell interactswith, the results of that interaction and why they’re important.Please give detailed descriptions.I was considering t cell, mast cell or...
- Q functions of glycolipids
- Q Give one reason why ascorbic acid is important to humanhealthRe: Lab #3, explain how you were able to determine the amount ofascorbic acid that was present in your unknown solution....
- Q How can examples of organisms and traits that exhibit differentcombinations of presence and absence of homology and/or analogy beused to indirectly test hypotheses of “descent with modification,â€natural selection, the “law...
- Q What other factors will promote oxygen release from hemoglobin?What factors promote binding of oxygen to hemoglobin?High levels of CO2 will promote oxygenrelease/binding (Pick one). Explain in terms ofmetabolic pathways why...
- Q 9)List three modern challenges in public health microbiology andpotential ways to mitigate them.
- Q 1- All of the following are types of modifications thatcan result in an active, functional protein EXCEPT:a. Covalent disulfide bonds between cysteine amino acidsb. Cleavage of proteinsc. Glycosylationd. Addition of...
- Q This month, there was fanfare about the first case of usingCRISPR invivo to treat Leber’s congenital amaurosis 10(LCA10) which is a leading cause of blindness in childhood. This isdue to...
- Q Plasma hypocalcemia would stimulate the activityof  A.OsteoclastsB.Osteogenic cellsC.OsteoblastsD.Calcitonin
- Q 1)Derivative of monosaccharide means2)amylose and amylopectin3)Name of derivative of monosaccharide containing eachcompound :Glycerol,Glucuronic acid,Deoxyribose,Ribose5-phosphate,N-Acetylglucosamine4)name of sugar unit of each polysaccharide :Glycogen,chitin,cellulose,amylose,amylopectin,Hyaluronicacid
- Q 1) How would you increase the genetic diversity of the islandpopulations with a low F coefficient?2) If you can increase the genetic diversity on the island, whatwould you think would...
- Q Lab Report 8: Energetics: Photosynthesis, Respiration,and FermentationSome leaves are variegated. That is, they display colors otherthan green (e.g. the Coleus plant).Still other plants have leaves that contain areas of white....
- Q What were Patterson's three different tests for morphologicalhomology? Define parallelism, serial homology, and convergence andin detail and explain how Patterson's tests distinguish homologyfrom them?
- Q i) How does the ability of phyla Annelida tomove compare with the phyla Platyhelminthes, which prominently useadhesive/releaser glands to facilitate movement? Describe theirmovement using two examples from specific groups of...
- Q Keeping the functions of water in living things in mind,describe both how too little or too much water can move anindividual away from homeostasis. What happens to the structures ofthe...
- Q (a) Define epidemic, endemic, pandemic, disease outbreak anddisease cluster(b) Briefly discuss the CDC recommended 12 steps involved in adisease outbreak investigation. Which step is the mostimportant/challenging one in the current...
- Q Microbial Growth and Urinary Tract InfectionsDiscouraging GrowthRead this case file, and complete the activities thatfollow.Twenty-five-year-old Lisa visited the doctor’s office where Iwork, complaining of symptoms of a urinary tract infection....
- Q Thephenotypic ratio for colour (red is dominant over white) and height(long-stemmed is dominant over short-stemmed) in rose plants is9:3:3:1. Are these two genes found on the same chromosome? Explainyour answer
- Q Part1:Use the information from outside resources about HGPS(Hutchinson-Gilford-progeria-syndrome) to answer the questionsbelow.Explain why the lamin A mutation is classified as adominant-negative mutation.What treatment do scientists develop to ameliorate the symptomsof...
- Q Differentiate between direct and indirect methods fordetermination of cell concentration.
- Q Determine if the greatest % salinity at which bacteria was ableto grow at the end of the experiment issignificantly different than at the start of theexperiment by using the t-test.Pooled...
- Q Compare and contrast how both vessel elements and tracheid’s areconstructed to minimize cavitation.
- Q What determines the trait we see, like color of eggs orhair?Why is it useful to have variation in a population?Could this procedure be used to alter other traits?
- Q DiscussionTopic:Discuss the health benefits and health risks associated withalcohol consumption.
- Q How would you expect the rates of exocytosis andpinocytosis to differ between cells that are not actively dividingand cells that divide frequently?
- Q The human body has two signaling systems, the hormone system andthe nervous system to control body functions.a) Describe the two systemsb) Why do we need two communication systems?c) Do the...
- Q Practice questions: Which is/are true about the peripheralsomatosensory system?a. receptive fields are usually large where fine analysis isrequired (like fingertips).b. receptor cells are best at distinguishing two or moresimultaneous stimuli...
- Q How does water pollution negatively affect energy processing inorganisms? Please include examples regarding various types oforganisms, from people to plants.
- Q Ok, so I'm struggling a bit with my labs being online due tocovid. I was provided this information and an empty table.\"Sorghum is a genus of grass containing 25 species....
- Q Before the understanding of bacteria and archaea as distinctdomains, what characteristics were used to define 'prokaryotes\"?Select the cell components that were believed to be lacking beforegenetic and genomic analyses proved...
- Q Fungi secrete many chemicals that are beneficial to humans. Nametwo of these chemcials and the fungi that produce them.
- Q Growing a tissue can only be done through 3D printing. T/FA scaffold can be made by decellularizing a donated organ.T/FCells all have the same basic components regardless of tissuetype. T/F
- Q Perhaps you and/or your significant other is a carrier of aharmful recessive trait, such as cystic fibrosis. What would you dowhen considering having children? Would you hope for the best...
- Q Look up the RPL4 gene in Drosophila melanogaster (fruit fly) inEntrez Gene.(a) What is RefSeq accession number of the genomicsequence of the gene? What is the RefSeq accession number of...
- Q Which of the following intestinal parasites are consideredpathogenic, assuming the host is not immunocompromised?Giardia lambliaEntamoeba coliEntamoeba histolyticaEntamoeba hartmaniiIodamoeba bütschliiBalantidium coliEndolimax nanaCryptosporidium parvumAscaris lumbracoidesEnterobius vervicularisTrichuris trichuriaHookwormStrongyloides stercoralisDiphyllobothrium latumTaenia soliumHymenolepiasis diminutaFasciolopsis buski
- Q Read about the Germ Plasm theory. Propose any experiment thatwould act as a proof or germ plasm theory of inheritance.
- Q provide the correct marine ecosystem.17. A marine ecosystem located in soft-bottomed intertidal zonesof the tropics. In the United States, the dominant organism can beany one of four large shrubs/small trees.18....
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