Biology question and answers for September 29, 2023
- Q how can electrophoretic techniques be used to analysedefects in mitochondrial respiratory chain complexes?
- Q If plants with wrinkled seeds are 100% selected against, howmany generations would it take to remove a recessive allele?Explain (round seeded plants are either RR or Rr)
- Q 1. Can iodine be added before the primary stain in a Gram stain?Explain. If iodine was added before the primary stain, what wouldbe the final color of gram positive and...
- Q Which of the following statements about Na+ -K+ pump isincorrect?Select one:A. The Na+ -K+ pump is an antiport that moves the ions againsttheir concertation gradient.B. The Na+ -K+ pump is...
- Q Q1. Choose all enzymes that participate in the translationprocesses. ( Select all that apply.)A. release factorsB.DNA polymerase IIC.aminoacyl tRNA synthetasesD.large subunit ribozymeE. DNA polymerase ID. DNA polymerase IIIQ2.  Which of the...
- Q howto do a research project on oil, gas & solidsh?
- Q 1. You have a mixture of three proteins X, Y, and Z.      X is positively charged,has a mass of 100 kDa, it binds sugars.      Y is positively charged,has a mass...
- Q A mouse model for multiple sclerosis is induced by immunizingmice with murine central nervous system proteins mixed withComplete Freund’s adjuvant. This adjuvant contains components thatstimulate both TLR2 and TLR4. The...
- Q Match the following descriptions to the most appropriate methodof genome engineering presented within the list. Use each answeronce. List: MuGENT, Transformation, CRISPR, Transposonmutagenesis, and MAGE.a. You are attempting to see...
- Q A major theme in biology is the relationship between form andfunction in organisms. Select one of the major characteristics fromthese organisms (sponge, Hydra, Roundworms, Clam, Earthworms,Planarian) and illustrate the relationship...
- Q Scenario: The butterflies Heliconiusmelpomene and H. erato each showextraordinary geographical variation in coloration, and theircolors vary in parallel.Both species gain a fitness advantage by resembling the otherbecause birds are more...
- Q 22. Identify two scientists who influenced Charles Darwin’sthinking. What did each person hypothesize? Were their hypothesescorrect? Why or why not
- Q Angiotensin-converting enzyme (ACE) inhibitor drug enalaprilatis used to treat hypertension and has poor oral bioavailability aswell as a short half-life. What functional groups and properties ofthe drug may be responsible...
- Q List and describe the three forms of DNA.Please can you type the answer. I don't understand the writinghand. Sometime.Thanks
- Q Write 3 paragraphs for reflection and should be do thefollowing:1. In first paragraph, Summarize the article (attached below).(Don't plagiarism from article. Please use your own wordsto summarize)2. In second paragraph,...
- Q For the following: 1) Identify the genotypes of theparents 2) Complete a Punnett Square & 3) Givethe genotypic AND phenotypic results of the cross (percentage ORratio)Problem:In humans, blood type is...
- Q SUMMARY OF DNA-RELATED CHANGES DURING MITOSIS & MEIOSIS(fill in the blanks with the correct number)-------------------------------------------------MeiosisI ---------Meiosis II -------------------------- -----Mitosischromatids/chromosome:     ____    -->    _____      --> _____........................ _____    --> _____# chromosome sets:              ____n    --> _____n    -->  ____n................... ...._____n   -->  ____n(1n = haploid)change...
- Q In impactor method, why not conduct outdoor air sampling onrainy or snowy weather
- Q In pea plants, purple flower color is dominant over white. Ifone sees a purple pea plant and has no prior knowledge of itsancestry, what can be said its genotype?A. It...
- Q List three different types ofretrovirus-encoded oncogenes that are represented byproto-oncogenes in normal cells. Briefly describe the generalfunction of the viral oncogene or its correspondingproto-oncogene.
- Q Insects obtain oxygen by diffusion through tracheae, tinytubes connecting the outside air to the interior of the body. Atypical such tube is about 2.3 mm long and has cross-sectional areaof...
- Q How did comparisons of different rRNA sequences lead to thediscovery of Archaea? Why did Woese use rRNA genes to constructmolecular phylogenies? Which groups are most similar (bacteria,archaea, and eukaryotes) with...
- Q Draw and describe the meiotic events during oogenesis, whichmay lead to trisomy 18.
- Q let's imagine a diploid plant cell.a) draw the five stages of mitosis and meiosis assuming N=3b) briefly explain each step of mitosis and meiosis.
- Q Chapter 1(microbiology)What was the contribution of each of the following scientists:Jenner, Lister, Leeuwenhoek, Redi, Ehrlich, and Fleming.6. What is spontaneous generation?7. What was Pasteur’s approach to disproving spontaneousgeneration? What other...
- Q    Slide 11 problem:   5’ UGG 3’-  mRNA                      -TemplateDNA stand  -Nontemplate DNAstrandSlide 33 problem:The following sequence of nucleotidesin a DNA strand was used as a template to synthesize a mRNA thatwas then translated into protein:                        5’-TTAACGGCTTTTTTCCAT-3’Predict...
- Q IgM, unlike other heavy chain isotypes, appears in the serum asa pentamer of the basic four-chain Ig monomer; thus making itdecavalent rather than bivalent in terms of combining sites. Oneintriguing...
- Q CHEM 4722/5722 Homework Set #3 (due beginning of class Thu Apr2)Homework is to be turned in prior to class and should be done onplain white printer paper. If not, it...
- Q The Ability to Adhere to Host Cells and Resist PhysicalRemovalPseudomonas aeruginosa, a common cause of serious respiratoryinfections on people with cystic fibrosis, produces a single polarflagellum, can secrete a polysaccharide...
- Q what is the difference between long and short reflexesin the neural control of digestion? Put in more about entericnervous system.
- Q How does M-Cdk facilitate mitosis? (Hint: 4 targets)How is M-Cdk turned off?Explain what happens in telophaserelated to the M-Cdk targets and return of cell tointerphase.
- Q Write an introduction on \"how vinegar and water solution affectthe rate of seed germination\".the introduction should include :1 - Relevant background information2 - A clear stated hypothesis with justification3 -...
- Q You are the head of an R&D department at a major pharmaceuticalcompany. You have five cardiovascular trials to be completed in thenext two years. You currently have enough staff to...
- Q whymight a fish have such a huge area for processing taste and othersensory information from its mouth how do fish interact with theworld?comparing with human
- Q howdo lytic viruses and lysogenic viruses comtribute to diseasesymptoms?
- Q 1. Nutrition is a broad field that involves the foods youconsume, the nutrient content of those foods, and how those foodsand their nutrients affect your health and wellness. Health effectscan...
- Q For each of the following Case Studies, select whichcarbohydrate source you feel is best. Then, explain WHY you choseyour answer. (these are TWO part questions, make sure you answerboth!)An athlete...
- Q Researchers are attempting to understand whether the floralnectar consumption by a particular hummingbird species conforms tothe expectations of optimal foraging theory. Describe twoexperiments that could be performed to assess this.One...
- Q Galactosemia is a recessive human disease that is treatable byrestricting lactose and glucose in the diet. Susan Smithers and herhusband are both heterozygous for the galactosemia gene. If Susanand her...
- Q Write ten exam questions in your own words and providegood answers for the questions.  Five of your questions should cover terms from the material onThe Digestive System, and five of your...
- Q At the end of the electron transport chain, all of the followingstatements are correct, EXCEPT:Select one:a. produce most of the ATP needed for lifeb. The oxygen taken in during respiration...
- Q Describe how transfer RNAs (tRNAs) fulfill their role in proteinsynthesis. Give an example.
- Q How has our cultural behaviour affected how we evolved fromarchaic hominins to modern humans?What did our ancestors achieve that they would not haveotherwise were it not for ourcultural adaptations?
- Q describe what double fertilization means in angiosperms
- Q Six people had submitted urine samples to the laboratory. Thesamples were given at the same time, and the amount of urine wasequal in all samples. Your task is to help...
- Q How might RBC production be altered to compensate for changes tohemoglobin that result in an abnormally high affinity for O2?
- Q Even organisms whose embryos are conditionally specified musthave at least one autonomous specification event. Why?
- Q 1. Antibiotics are more effective when the bacteriacausing an infection are actively growing. Why do you think thisis? During which phase of growth( lag,log,stationary,or death) doyou think antibiotics are most...
- Q Describe the role of the bifunctional enzyme in the reciprocalregulation of glycolysis and gluconeogenesis.
- Q Bower birds are unique to Australia. These ground dwelling birdsbuild elaborate grass nests and decorate them with brightly coloredobjects (often bits of trash and plastic) to attract a female. Thebirds...
- Q The heritability of an animal’s preference for differenthabitats or host plants might be high or low. How mightheritability affect the likelihood of sympatric speciation bydivergence in habitat or host preference?
- Q name and michanism of diseaes related to conncentive tissue and theimportant thing is the referance which i want from a book or apaper
- Q What is CreERT2? Give an example of how it can be used
- Q On paper, create an animation for all of the major steps inmeiosis (listed below) based on the dihybrid maize cross that youanalyzed in lab. For this animation, show two sets...
- Q 3. Ecological Categories Insect activity at a dead body can bedivided into four major categories matching the ecological rolethey play. Some insects are attracted to a dead body and use...
- Q First outline the general scheme for signal transduction or the\"players\" involved in transmitting a signal across a membrane.Explain how a signal transduction system amplifies the originalsignal. Then explain how membrane...
- Q 28. Compared to ionotropic effects, metabotropic effects__________:a. have more rapid onsets and persist for shorter periods oftime.b. have less rapid onsets and persist for shorter periods oftime.c. have more rapid...
- Q How should epidemiology play a role in the health policydeterminations that affect the application of screening tests? Yourinitial response should be 250 -500 words in length.
- Q howdo we test orthopedic materials? please one page long not half pagelong essay.
- Q What is meant when we use the term “gene clone†versus what wemean when we use the term “recombinant plasmid†(4 pts). Answer intwo to four complete sentences.
- Q DEFINE the term hydration spheres and EXPLAIN how they relate tothe fact that ions such as sodium, chlorine, etc. they cannot crossthe cell phospholipid bilayer.
- Q Do you think diseases due to eukaryotic microorganisms areeasier or harder to treat than those due to prokaryotic microbes?Explain your answer. include the references
- Q Purines synthesisbegins with a purine skeleton that will be attached to ribose5-phosphate once it's complete.results in the production of deoxyribonucleotides first.is completed without folic acid.begins with ribose 5-phosphate.
- Q The allele frequency for the spider syndrome allele in a flockof sheep is 0.41. The normal allele N is dominant to the n allele,and homozygous nn lambs do not survive...
- Q explain how the composition and distribution of codons among livingorganisms provide evidence from a common ancestor
- Q What result did Avery, McLeod, and McCarty obtain in theirexperiments with virulent bacteria?trA. The transformation in mice observed by Griffith could alsooccur in vitroB. RNase desstroyed the transforming principleC. DNase...
- Q What is a protist ? Why do you describe a protist usingmonophyletic, paraphyletic, or polyphyletic groups ? What are thesegroups and examples from the,?
- Q PLZ type the answer for question one so I can read it easily.huge thumbs.1-What are autologous cells, their benefits, and drawback2- A man and a woman walk into a genetic...
- Q The height of a type of bean plants is determined by fiveunlinked genes called A, B, C, D, and E. Each gene has two alleles:additive (uppercase letter) and nonadditive (lowercase...
- Q Distinguish between the structure of a prokaryotic cell and thatof a eukaryotic cell.
- Q In response to shortened day length and cooltemperatures in the fall, many trees begin a period of senescencewhen the breakdown of chlorophyll exceeds chlorophyll production.The leaves of these trees appear...
- Q 9. You are studying cuttlefish and you observe that females mateprimarily with larger males. You suspect that sexual selection maybe influencing male size.9a. Place a check (√) next to the...
- Q The following datawere collected as part of a study of coffee consumption amonggraduate students. The following reflect cups per day consumed:3Â Â Â Â Â Â Â Â Â 4Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â 0Â Â Â Â Â Â Â Â Â 2XX2001124243941663686426134Compute the sample mean.Compute the sample standard deviation.Compute the...
- Q Of the following four 15-bp double-stranded DNAsequences, which will have a higher melting temperature? (Note:only one strand is shown here) Choose the single bestanswerCCCGCATCGCCATCGCATCCTAGCGACTATCTATACGACATAGCCAAATGCATACATCTT
- Q How does the Coronavirus affect our community?
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