Biology question and answers for September 08, 2023
- Q Which of the statement is true, there can be more than oneanswers. Having trouble with these two questions.1)A.The tibial tuberosity is found on the VENTRAL (anterior)aspect of the TIBIA boneB.The...
- Q 3. Where can RNases be found? How can you prevent RNasecontamination in your samples during experiments involving RNA?
- Q What evolutionary steps the capsid went through and why? Why aviral capsid does not protect a virus from dehydration and whyviruses cannot produce their own energy?
- Q What is the ATP net output for aerobic respiration for thefollowing steps:GlycolysisKreb CycleElectron Transport ChainState how many of the following will be produced duringglycolysis with two glucosemolecules:PyruvateATPÂ Â Â Â NADH
- Q What are prions, viroids and viroins? How do virusoids differfrom satellite viruses?
- Q You visit a small island, which just two days earlierexperienced a volcanic explosion. Nothing appears to be alive onthe island, but you collect soil samples and place them on culturemedia...
- Q What are the 10 Local Health Department (LHD) standards?
- Q 5. Yeast engage in alcoholic fermentation in order to a. providebrewers with a steady source of income b. produce NADH from NAD+ toallow glycolysis to operate anaerobically c. produce acetyl...
- Q Swannamotosis is a variant of Neurofibromatosis-type 2. It is anautosomal dominant condition that shows both incomplete penetranceand variable expressivity. Sixty percent of individuals with atleast one mutant allele will show...
- Q How do bacteria resist destruction by phagocytic cells?
- Q Mycoplasmas are classified as Low G + C Gram-Positive Bacteriain the textbook. However their staining phenotype indicates theyare gram negative. What is the basis for classification as grampositive bacteria?
- Q Using the mark-recapture equation what factors can cause anoverestimate of population size and what factors will cause anunderestimate of population size?
- Q Which of the following components of urease media is added forthe differentiation of rapid and slow urease producers?Multiple ChoiceUreaseYeast extractPhenol redPhosphate bufferWhich of the following classes of bacteria are being...
- Q What are the key elements of the HIPAA Security Rule?
- Q What are the domains and specific structures of alpha amylase?(both salvilary and pancreatic alpha amylase)
- Q The side chain of Asp 94 on the bchain of hemoglobin is in close proximity to the imidazole ring ofHis 146 on the b chain in the deoxy form of...
- Q 1. For each of the following protists, list and describe themajor structures. What type of locomotion do you think each protistemploys?A. EuglenaB. ParameciumC. GiardiaD. AmoebaE. slime mold2. Compare the advantages...
- Q Describe the process of developing a strategic plan and its corekey element for a public health organization.
- Q How will you, as a future health system leader, address theidentified community and constituency challenges?
- Q The relationship between CO2 gas produced to sugarconsumed is shown below.m = n / 2swhere m is the number of moles of sugar consumed,n is the number of moles of...
- Q What is the role of financial management in Public Healthagencies?
- Q What are the 12 principles of the ethical practice of PublicHealth?
- Q List the 10 essential Public Health Services.
- Q What is the purpose of Public Health law reform?
- Q In a unique species of plants, flowers may be either yellow,blue, red, or mauve. A pure-breeding line with blue flowers iscrossed to a pure-breeding red-flowered line, and the resultingF1 plants...
- Q Explain why adenine is chemically Unable to pair with cytosine andwhy is guanine chemically unable to pair with thymine.
- Q WHICH EXPERIMENTS COULD BE DONE TO TEST IF A VIRUS COULD BE USEDAS A VECTOR FOR A VACCINE ?
- Q 1) What are all of the ways the Africantrypanosome can alter the host’s immune response in favor ofitself?2)1. Matchinga) Glycosome--> T. cruzi b) MitochondriTrypomastigote c) TCA presentd) Intercellular-->T. cruzi e)...
- Q OPTION E: An examination of a mythological creature (nopartners) Mermaids are imaginary organisms that combine the bodiesof two very different critters. In reality, this would cause manybiological difficulties: different digestive...
- Q Which bond can't be found in the structure of DNA?a.Peptide bondb.Hydrogen bondc.Glycosidic bondd.Phosphodiester bond
- Q Which yields more ATP, fats or carbs?Using a flow chart, indicate how many ATP molecules are generatedfrom the complete oxidation of 2 glucose molecules. Contrast withthe complete oxidation of a...
- Q Explain clonal selection and how it works to protect you againstmany different infectious agents.
- Q What it is long term depression in neuroscience?
- Q 1. Discuss the chemical constituency of the seminal plasma andthe role each component plays in supporting successfulfertilization.2. What barriers are faced by sperm in the female reproductivetract?3. Describe the process...
- Q If a cell gained a gene that allowed it to produce more ordifferent compatible solutes, what environments could it live inbetter?
- Q Fill in the blank: In vitro irradiation of macromoleculescauses _____ damage to macromolecules. A) RepairableReversibleIrreversibleBoth A and BLocalized doses of 7 Gy to the skin can cause:DeathPermanent hair lossGastrointestinal syndromeAll...
- Q QUESTION 57 Imagine a community with a biodiversity of 25species. One species is hunted to extinction by humans, after whichthe community is protected from any human intervention. However, ayear later,...
- Q Some scientists are concerned that genetic engineering allowshumans to tamper with evolution. Discuss some of the advantages anddisadvantages of recombinant DNA technology.
- Q What is the characteristics of anthrax spores thatmake disinfection more difficult?
- Q In a 50µl reaction containing 0.25 pmol of a Michaelis enzymewith Km = 4.0 x 10-7 M and substrate concentration of 2 x 10-7 M,product was formed at an initial...
- Q Meiosis is a process that can generate nearly infinite variationfrom a single source of genes, even before the additional diversitycreated by fertilization. There are two main processes that occurduring meiosis...
- Q Identify two factors that could possibly cause a population todecline to extinction. How might these factors be influenced bypopulation size? Why are small populations more susceptible toextinction from demographic stochasticity...
- Q what are the effector mechanisms of CD4 and CD8 T cells?
- Q Food chains are typically quite short, with only 4-5 links.Which of the following explains why? Only one species of herbivorefeeds on each producer species. Predator species are usually lessdiverse and...
- Q CHOOSE THE CORRECT ANSWER AND EXPLAIN FOR EACH OPTION WHY YOUDID NOT CHOOSE THAT OPTION.Arrange the following events in steroid function inchronological order. Number each statementfrom 1-5._____Level of estradiol increases_____Decrease...
- Q Note several ways that cytokines regulate the immune response,with particular emphasis on mechanisms to slow down or limit theimmune response. In your answer, discuss why you think thesecontrol features are...
- Q Which of the following ratios is a 9:3:3:1 ratio? (Please showyour work)a. 682:37:50:199b. 543:178:189:58c. 552:174:180:62d. 557:164:162:85e. 542:184:177:65f. 539:187:182:60
- Q Which plant group(s) require water for fertilization?nonvascular onlyseedless vascular onlynonvascular and seedless vascularall plants require water for successful fertilization1 points   QUESTION 79The shared, derived traits of all seed plantsinclude all...
- Q What are the pros and cons of inpatient treatmentcenters? Provide at least two pros and two cons with rationale inyour response.
- Q Researchers have described the“binary patterning†of polar and nonpolar amino acids in thesequences of proteins. In their code, polar and charged residueslike D, N, E, Q, K, H, and R...
- Q 1. Mutations within a DNA sequence _____________.Choose all that apply * are natural processesalways affect the phenotype. are unnatural processes.decreases genetic diversity.increases genetic diversity. never affect phenotype.2.A process by which...
- Q 1) What is the mechanism responsible for the pumping process?2) Explain how a filter feeding lifestyle contributes tophenomena such as Paralytic Shellfish Poisoning (PSP?3) What roles can filter feeding bivalves...
- Q How do developmental differences affect the care of a child withcancer? Facing the end of life? Compare and contrast toddler &Teenager according to the 2 questions
- Q 4) How did the development of agriculture impact thetransmission of infectious disease?
- Q Describe an F+ bacterial cell and explain it's role in geneticdiversity.
- Q In studying receptor-ligandinteractions, the researcher wanted to narrow down the exact regionof binding between the receptor and the ligand. Amino acids 24 – 29on the receptor were believed to be...
- Q As technology increases, the fuel efficiency of cars and trucksalso increases. However, even though modern automobiles polluteless than older models, the overall rate of pollution due to carsand trucks has...
- Q Suppose that the incidence of all types of cancer remainsconstant in a given country. However, thanks to new treatments, thesurvival of cancer patients increases. What do you expect to happento...
- Q explain how the production of cement products iscontributing to the problem of global warming.
- Q Describe the difference between active and passive transport
- Q Think of a toy model of a dimeric receptor binding with adivalent ligand. The KDs for binding between a two-armedcompound LL1 (this is the ligand) and individualreceptors R1 and R2...
- Q What types of support services should hospitalsprovide to assist couples who have experienced a loss of pregnancy?What should the role of the nurse be in establishing these servicesand supporting the...
- Q QUESTION 1Most of the water and inorganic ions are absorbed by the:large intestine.small intestine.stomach.large and small intestines.large intestine, small intestine, and stomach.QUESTION 2In order to transport __________ into the bloodstream...
- Q Explain the physiological mechanisms involved in blood glucoseconcentration regulation trying to prevent hypoglycemia which isespecially dangerous for brain function.
- Q b. Generate three ligation reactions with 1:1, 2:1 and 3:1 molarratios of the insert and the vector DNA. Your ligation shouldinclude all components in a 30 µL reaction. Keep the...
- Q As part of a study, 10 mg of epinephrine was injected into thebloodstream of 10 resting, fasted adults. 10 minutes later, bloodglucose levels of the subjects were measured. Here were...
- Q Which example provides evidence of migration, but NOT of geneflow? After fledging, a male toucan disperses to another forestpatch on the other side of a mountain range. This high-quality malefinds...
- Q Many of the color varieties of summer squash are determined bysev eral interacting loci: Wildtype squash are white, a recessiveallele, a, causes yellow squash, while another recessive allele b,causes green...
- Q 1a.A spliceosome will be found ina.prokaryotic cells onlyb.eukaryotic cells onlyc.both eukaryotic and prokaryotic cells1b.Which type of RNA is found only in eukaryotes?a.mRNAb.tRNAc.rRNAd.none of the abovee.all of the above
- Q List and explain the 3 mechanisms that are related withactivation of a protooncogene into an oncogene.b. Discuss the importance of oncogenes in tumorigenesis.
- Q What is the basic monomeric unit of a protein? How manydifferent units are there? How are they similar and how are theydifferent?
- Q Whyare the mutations K65R and D113E, both causing drug resistance sucha surprise, whereas, the mutations Q151M and Q151N are not such asurprise. Explain the reasoning behind this. The answer to...
- Q Why do phototropic sporangiophores avoid solid objects?
- Q Instructions The major assignment for this course will be astudent paper researching the molecular biology of cancer andexploring ethical considerations related to molecular testing.Cancer is often caused by the malfunction...
- Q In corn the glossy trait (AA) gives glossy leaves and the ramosatrait (BB) determines branching of ears, a test cross produced thefollowing results:Normal leaved and normal branches                  395Glossy leaved and ramosa...
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