Biology question and answers for August 20, 2023
- Q Several haploid strains of Saccharomyces cerevisiae grow well onYPD but do not grow on minimal media unless adenine is added to theminimal media. Some of those strains accumulate a red...
- Q 46. The filtration coefficient can be decreased bya. increased MAPb. decreased TPRc. decreased venous pressured. none of the above44. Extracellular edema results froma. increased capillary hydrostatic pressureb. decreased capillary hydrostatic...
- Q How is the body affected by Asthma? Explain in detailthe cells, organs, organ systems affected by Asthma.
- Q Compare the phenotypic variation seen in Mendelianinheritance, incomplete dominance, codominance, epistasis, andpolygenic inheritance.
- Q what's the relation between teratomas and ES cells, and theexperiments to show their similarity
- Q What are some of the best cognitive tests for regular people andwhy?
- Q Venous blood as it enter the lungs contains H.Hb, HbCO2 andbicarbonate. List in correct order the series of reactions from theoxygenation of deoxyHb (HHb) in the lungs to the delivery...
- Q What is your best estimate of the rate of de novo somaticmutations? On what studies do you base your estimate? Explain themethod(s) used in those studies and the assumptions on...
- Q 11. What is the theory of fixed species? Explain why fossilsrepresented a problem for this theory. Briefly state why the theoryof fixed species predominated for such a long period ofhistory.12....
- Q Suppose you return to the population after 10 generations andobserve 80 black, 240 brown and 180 tan individuals. Explain howyou would use the H-W model to determine if there has...
- Q In a mark and recapture study of butterflies, 22 butterflies arecaught, marked with nail polish, and released. A week later thesame habitat is searched and 16 butterflies are caught withoutmarks...
- Q 1. A newly discovered species on the planet Neptune displaysstriped coloration controlled by a single gene. The first familysent as ambassadors to Earth has one parent with vertical stripesand one...
- Q Both polypeptides (proteins) and polynucleotides (RNAand DNA) are characterized by their primary structure. Brieflydefine that term with reference to each type of biomolecule. Then,briefly describe the connection between the two...
- Q What types of bond would be found within each water moleculesand what types of bonds would connect the two water moleculestogether?Furthermore, when relevant, where would the electrons bepositioned in these...
- Q A son is born with Kleinfelter's syndrome and hemophilia. Hisfather was normal and his mother was a carrier for the recessiveX-linked blood clotting disorder. What occurred in meiosis toproduce this...
- Q Choose only one of these! Discuss theinheritance pattern, populations commonly found in, phenotypes,cellular physiology, and “molecular†stories for: Red-green colorblindness, Tay Sachs, Cystic fibrosis, or Hypercholesterolemia.
- Q What factors (for example, age, sex, temperature, cell type,environmental exposure, etc.) affect the rate of de novo somaticmutations in humans?
- Q The concentration of CO2 is lower inside a plant cell than inthe atmosphere (outside the cell). In your own words, describe howthe CO2 levels are kept low inside the plant...
- Q Q8. [10 marks]Many molecules are involved inproviding stability to the Pre-Initiation Complex (PIC) ineukaryotes. Describe:The steps involved in stimulating initiation of transcriptionfrom a silent geneHow the molecules interact to provide...
- Q Describe the structure of haemoglobinand the molecular changes that occur in the molecule when itreleases oxygen.(12 marks, plz try to detail)Thx.
- Q Estimate all radiation risks for astronauts after travel fromthe Earth to the Mars and back. Duration of the travel is 1.5years. Total absorbed dose will be around 6Gy. Discuss validity...
- Q The mitochondrial genome is an interesting mix of eukaryotic andprokaryotic elements. Address the major aspects of mtDNA (in termsof organization, replication, transcription and translation. Use atable to organize your answers.
- Q 1. Compare metabolic and digestive wastes in Fetal Pigs2. List the structures, in order, that metabolic waste travelsas it leaves a nephron and exits the adult pig
- Q Predictions: Indicate your predictions for growth of E.coli orno growth of E.coli based on the presence (+) or absence (-) of theplasmid and the growth medium. Explain your reasoning for...
- Q Written Assignment:Using an anatomy atlas, detail the pathways of the six cranialnerves that govern suck-swallow-breathe. I want to know from wherethey originate, to their pathways through the various foramina andwhere...
- Q What is the significance of the Baltimore classification? Howmight we be able to use this type of classification to learn moreabout viruses or ways to target them for treatments?
- Q Describe the eukaryotic RNAPII and contrast it to theprokaryotic RNAP. What additional elements are present in RNAPII,and how do these contribute to transcription?
- Q Can I please have a lap report on Enzymes,because anyone I submitted is not good. please help
- Q Which of the following mechanisms are involved in mediating theincreased prolactin secretion during lactation? [1.5 marks]A . increased progesterone levelsB. increased sensitivity of prolactin negative feedbackC. decreased sensitivity of prolactin...
- Q Describe the outer membrane of a gram negative cell and theimportant of the O polysaccharide and the Lipid A endotoxinList 6 differences between the cell walls of gram-positive andgram negative...
- Q Sometimes, people claim that biological processes such asevolution are incompatible with the second law of thermodynamics.Assuming you wanted to engage scientifically with someone whoclaimed this, what would you say to...
- Q There are three traits in mice that are found on the samechromosome (they are linked). Gray fur is dominant to brown fur,long tails are dominant to short tails, and notched...
- Q Part A: Bacteria and other microbes can be used to \"clean up\" anoil spill by breaking down oil into carbon dioxide and water. Twosamples isolated from the Deepwater Horizon leak...
- Q 2. a) Describe some advantages of using cameras, ROVs, AUVs, andbuoys compared to having manned technologies.b) Shrimp fished at great depths survive but do not fish.Why?c) Describe what a research...
- Q describe the cross bridge cycle. Make sure to include the actionof actin, myosin, troponin, calcium, and ATP.
- Q 1. Why is ATP synthase considered an active transporter?2. Why is deleterious to a cell that DNA can be crosslinked,which forms covalent bonds between the two strands?3. Describe all of...
- Q URGENT!!!!!You are once again the science officer stationed on the starshipNX-01. Upon discovery of a new planet, the mission of you team isto conduct a survey of the resources found...
- Q You are interested in the complete oxidation of glucose in acell. If the pyruvate dehydrogenase complex was inhibited, whatproduct would you expect would be the first to accumulate in thecell?
- Q Why in recent years has there been an increase in casesof Powassan transmission? What changes in the virus or vector haveoccurred? What are the symptoms of infection?
- Q Compare and Contrast SARS-CoV-2, Herpes Simplex Virus Type I,HIV and Influenza B. Specifically, briefly (may just be a fewwords) describe the following for each:
- Q A single plant cell is placed in an open beaker containingdeionised water. Very slowly, solutes are added to the water, whichis gently stirred. The cell is observed through a microscope.Eventually,...
- Q Several arboviruses are on the doorstep of the UnitedStates including Dengue, Zika, and Chikungunya. How does thepresence or absence of aegyptiand Ae. albopictus serve as anindicator for areas of potential...
- Q • Be able to define the following terms: axial skeleton,appendicular skeleton, sarcoplasmic reticulum, acetylcholine, motorunit, locomotion, peristalsis• Know the structure and components of muscle fibers(myofibrils, sarcomeres, actin, myosin)• From Figure...
- Q Which of the following statements is CORRECT?Select one:a. The first meiotic division results in the segregation ofsister chromatids into daughter cells.b. Polar bodies are only observed in male meiotic divisions.c....
- Q Why is antigenic variation important for theestablishment of trypanosomiasis in its host? How is thismediated?
- Q The following sequences show the wildtype and mutant alleles ofpart of a gene. What is the name of this type of mutation?Wildtype DNA:      5’         AAC – AGC –CTG –...
- Q Explain how a small mutation in a virus can have largeimplications for transmission using Chikungunya as an example. Howdid the E1-226A to E1-226V mutation influence the ability of thevirus to...
- Q QUESTION 6 A cell containing only pure water is placed into asolution containing 1M sucrose. The cell's membrane is impermeableto water, sucrose, sodium ions and chloride ions. How could youmake...
- Q QUESTION 1Match each of the following with the best answer choice:organized packets of light having both a wave and particlenaturepart of the electromagnetic radiation spectrum which fuelsphotosynthesismajor photosynthetic pigment which...
- Q Chagas disease transmission can occur in many caseswithout being directly bitten by a kissing bug. How doesinadvertent contact, cultural practices, and the transmission ofparasites in the blood can cause Chagas...
- Q • Know how difference between active and passive immunity• Know what an autoimmune disease is, and examples of autoimmunediseases• Know how HIV attacks adaptive immunity, and the type of T...
- Q In the US there are ~300,000 cases of Chagas Disease, aswell as several triatomine vectors capable ofcruzi transmission. What aspect of kissing bugbehavior in species found in the US is...
- Q 1. Which would have the highest melting temperature?A. TTAACCGGGCTAB. CATAACAAATCAC. CGCAATAATACAD. CGTAATAATACAD. CGCAACCATCCG2. Select the ones that can be applied to PCR, there can be morethan one right answer.A. PCR...
- Q A molecule that can be used as an antibiotic is known to be capable of inhibiting bacterial growth in the presence of lactose as the sole source of carbon. However,...
- Q Please show all the work.Suppose that the energy available in a certain plant populationis 10,000 Joules. Calculate the proportion (percent) of thatbiomass that will be available as energy to the...
- Q Ketone bodies are synthesized from Acetyl-CoA only whencarbohydrates are not available. Why? Describe how gluconeogenesis,TCA, ACC, and circulating hormones play a role in directing carbontoward these molecules.
- Q Which one of the following DNA chains is both complementary andanti-parallel to this DNA chain: 5' GGGTTT 3'? (it can be more thanone answer)5' TTTGGG 3'5' GGGTTT 3'5' CCCAAA 3'5'...
- Q You have decided to try your hand at canning some of yourhomegrown green beans from the garden. You rinse the beans, addwater, and put them into Mason jars. You are...
- Q 1. For the following statement, indicate whether what isdescribed would result in an increase or decrease in geneticdiversity within population.a. Inbreeding due to a small population that is geographicallyisolatedb. A...
- Q Explain why the relationship between Anthoplueraelegantissima and Symbiodinium sp. or Elliptochloris marina ischaracterized as a mutualism.
- Q How comfortable do you feel identifying histology differencesbetween the anterior pituitary gland and the parathyroidgland?Are you able to describe characteristics that set these twoorgans apart from one another?
- Q the following are the initial steps involved in aseptic transferto an agar plate. place them In their proper order.(a,b.c,d?)1. Flame loop2.insert loop into broth & touch to plate3. mix tubea)3,4,2,1b)3,1,4,2,1c)1,2,3,4,1d)4,3,2,14)...
- Q Living organisms are highly organized and structured How doesthis statement relate to the macromolecules (Proteins, NucleicAcids, Carbohydrates, and Lipids)? How does this statement relateto the systems (Digestive, Respiratory, Circulatory, Endocrine,etc.)?
- Q Should we mount a massive effort to restore ecosystems that wehave degraded even though this will be quite costly? For this weeksenvironmental controversy we explore this question. Using thetextbook, and...
- Q hownervous system works? please write a paragraph and provide a gooddiagram
- Q ScenarioDoug was a newly single 42-year-old man, whose reentry into thedating world led to a few casual sexual encounters with women hemet while out in bars.After 8 months apart, Doug...
- Q Please describe an “age pyramid†for the baby boom generation?Why is the shape of this pyramid so important for futuregenerations to contemplate? (3 points)
- Q 1) A bacterial strain called XYZ living in the lake MBG223 nearBilkent University requires to synthesize tryptophan continuously.The reason is, the essential proteins (essential means, theproteins required for survival of...
- Q What four cells make up the pollen grain in Conifers?Are coniferous sperm flagellated?Where does fertilization occur and what structure becomes aseed in pine trees?Explain double fertilizationName the structures that precede...
- Q Compare and contrast how lipid soluble and amino-acid derivedhormone signaling can control gene expression. At what level dothey control gene expression? How do they control it? In youranswer, be sure...
- Q semmelweis case studyread Part 1 and 2: Reflect on the scientific Method. Develophypotheses for the differences in rhe two hospital wards
- Q Upregulation of what surface receptor allows a mature thymocyteto leave the thymus? (explain in depth)
- Q What items do photosynthesis and cellular respiration have incommon? For example:Item: Produce ATPPhotosynthesis: light reactionsCellular Respiration: Glycolysis, Krebs Cycle, ElectronTransport
- Q A)How is the lac operon regulated if the bacteria is put into anenvironment where there is excess amount of lactose and glucose atthe same time. (10 pts)B)From the previous question,...
- Q The duplication of the genetic content in a cell occurs duringwhat part of interphase?a.Mitosisb.G1 phasec. S phased. G2 phase
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!