Biology question and answers for August 17, 2023
- Q The tricuspid and mitral valves are known as thea. chordae tendineae.b. semilunar valves.c. coronary valves.d. atrioventricular (AV) valves.
- Q In mitosis, cohesin dissolves during _________, allowingsister chromatids to separate.a. Prometaphaseb. Metaphasec. Anaphased. Cytokinesis
- Q You do a series of incubations to compare the properties of E.coli DNA polymerase I and III. After incubating DNA templateprepared from bacteriophage T7 with one or the other polymerase...
- Q Discuss the central dogma of molecular biology indetail and how RNA viruses makes use of this process
- Q The effects of inhibitors of DNA synthesis can be studied in anin vitro replication system containing E. coli enzymes. In thissystem replication of M13 DNA is sensitive to the drug...
- Q How does female choice usually operate within cricketpopulations? That is, do females tend to be choosey, and whatcriteria do they use to make mating choices? How does female choicework differently...
- Q 1) Species with high FST in their native range tend tospread quickly as invasive species. True or false?2) A marine biologist collects a sample of 200 adultbarnacles and determines their...
- Q Which evolutionary process would you argue is currently causingthe largest impact on the evolution of the tropical field cricketin the Hawaiian islands? Be sure to explain why this evolutionaryprocess is...
- Q Which type of tissue is more protective?1)stratified squamous2)simple squamous3)simple columnar4)pseudostratified columnarb) true or false? Ligaments are made of dense regular connectivetissue.
- Q 1. If you were preparing a 1 L of a 1M NaCl solution How muchNaCl is needed to make this solution?2. How you would make only 100 mL of a...
- Q How does the route of administration for tropisetron relate toits activity and effectiveness? Would you have expected tropisetronto present with this activity based on its structure andphysicochemical properties? Why or...
- Q What is the significance that primates generally give birth toone offspring at a time and the elongations of gestation and infantdependency? What does this mean about the degree of learning...
- Q 1. The alpine sky pilot, Polemonium viscosum is a commonflowering plant in the Rocky Mountains. At high elevations, P.viscosum is pollinated mainly by B. kirbyellus bumblebees; At lowerelevations, it is...
- Q Animals evolved certain traits in order to adapt to theirenvironments. These traits inform their life histories such aswhere the species lives, what it eats, and how it behaves. Explainat least...
- Q Activity 2: TranscriptionImagine that you’re having a house built. The architect draws upa set of blueprints for the builder. The builder, in turn, has tohire several subcontractors for the electrical,...
- Q Youare responsible for designing a drug that would target a Gramnegative bacterial species What would you target at and why?You are responsible for designing a drug that would target aGram...
- Q Explain the pathway used in the formation of insulin inpancreatic beta islet cells. Start from the DNA and end withsecretion from the cell.
- Q The general structure of the replication fork and the enzymesand steps involved in resolving Okazaki fragments.
- Q Biology review Sheet - NEED ANSWERS ASAP - the last person didthis very poorlyIdentify and differentiate between the asexual spores andsporangia produced by zygomycetes and the conidia and conidiophoresproduced by...
- Q Which of the following is not a true difference between animalcells and plant cells? Circle all statements that are nottrue.A) Plant cells have cell walls around them, while animal cellsdo...
- Q Which feedback can be harmful and explain how it can beharmful?
- Q A number of other related drugs with a similar indication totropisetron are not being considered for use in Alzheimer’sdisease. What distinguishes tropisetron from other drugs? Considerthe paper and its specific...
- Q -Doall mutation change the phenotype?-conjugattion requires a virus (phage for bacteria) to be ableto transfer DNA from cell to cell? True lr false-many Eukaryotes have been known to be able...
- Q On the planet Proboscide, there are elephants that are the sizeof flies. They genomic makeup is also very similar to the genomicmake up of earth drosophila. There are two genes...
- Q 2.) Consider the following RNA sequence, which represents thebeginning of an open reading frame: 5’-AUGGGACUAGAUACC-3’. Examineeach of the sequences below, describe the change to the sequence,and state whether it represents...
- Q A kilogram of solution contains following particlesdissolved in water 3g of NaCl and 5g of CaCl calculate theosmolarity of the solution ( molecular weight NaCl 58.44g/mol and110.98g/mol forCaCl).
- Q 1. For the lac operon, explain what would happen and whyregarding expression of the operon in each of the followingscenarios. Be sure to include both positive and negative regulationin your...
- Q a.) Describe the structural differences between fibrin andfibrinogen.b.) What is a SNP? What is an insertion? Give an example of aSNP that would not affect the product protein.
- Q Select a contrast mode in microscopy. In the space below,describe and illustrate it in detail (hint: phase, dark-field,bright-field)Please answer in detail.(2 page limit)
- Q Use the preamble below to answer Questions 27 and28In the fruit fly Drosophila melanogaster, red eye colour (R) isdominant to white eye colour (r). Astudent wishes to perform a test...
- Q Please answer in detail.(2 pages)At the core of a fluorescence microscope is the dichroic mirror.What function does the dichroic mirror perform?
- Q Name and describe the advantages and disadvantages of sexualversus asexual reproduction. Include in your discussion thedifferences between mitosis and meiosis. Lastly, which phase ofmeiosis is most similar to mitosis and...
- Q In what way might you expect transcription and translation to bedifferent in prokaryotic cells compared to eukaryotic cells?
- Q 1. Differentiate between the main types of photosyntheticautotrophs. Now, explain the general importance of photosyntheticorganisms to the biosphere.2. Differentiate among the types of energy. Now, explain ingeneral terms the ways...
- Q Homo sapiens is one of the classic model organisms usedto study cell biology.TrueFalse
- Q 1. Explain the process by which excess nutrients are convertedto energy storage molecules and compare and contrast glycogen andfat as energy storage molecules.2. Explain the role of ATP in living...
- Q If peptidases digest proteins into amino acids, why don’t theyauto-digest the cells where they are synthesized?
- Q Explain the major ideas behind how a zygote proceeds throughembryonic development
- Q Which statements are true regarding protein transport intoperoxisomes?Choose one or more:Like mitochondrial proteins, some peroxisomal proteins arrivevia vesicles that bud from the ER.Like proteins transported into mitochondria, proteins can enterthe...
- Q The question can be answered in a variety of ways. You areencouraged (and in some case required) to use graphs and diagramsas part of your answer, to illustrate your argument...
- Q Please choose an environmental topic of your choice andread/research the topic and write a short 3-4 page essay outliningthe key areas of the topic/issue. This is a topic that you...
- Q The genetic regulation of the various blood types observed inhumans is a great example ofSelect one:a. Codominanceb. Epistasisc. Incomplete dominanced. Mendelian geneticse. Polygenic inheritance-------------The main replication enzyme involved in prokaryotic...
- Q The proteins that hold homologous chromosomes after replicationare calledSelect one:a. Kinetochoresb. Homologous chromosomes are NOT held together afterreplication!c. Centromeresd. Cohesins------------The ratio of a testcross between an organism with unknowngenotype and...
- Q What is the difference between the enzymes DNA polymerase I andligase?Select one:a. DNA polymerase I binds to Okazaki fragments, removes theprimers, and replaces them with DNA nucleotides.b. Ligase binds to...
- Q comment on the significance of RNAi for understanding epigeneticcontrol of the human genome. In particular, respond to thisstatement: \"RNAi provides an attractive model to explain howepigenetic histone modifications are targeted...
- Q Please NO handwriting.NO coping. Thanks.Write an essay (atleast 5 paragraphs)?Explain the main criteria for determining whichmedical breakthroughs were in the top 10 of all time. Do you feelthat these criteria...
- Q Explain, using the illustrations on page 155 of your text, whypenicillin, once a widely used and effective antibiotic, is now nolonger effective against penicillin-resistant bacteria.
- Q Cystic fibrosis is a disease in which people have a mutation inan ion channel called CFTR. This type of channel is found inmultiple tissues throughout the body, and a simple...
- Q Caspases are apoptosis-inducing proteins activated by tumorsuppressor proteins such as p53Select one:a. Trueb. False--------entrioles are only found in a cell during the M phase of thecell cycleSelect one:a. Trueb. False-----------Cyclin-dependent...
- Q Write a comprehensive note on the process oftranscription?Write a short note on how mature mRNA is produced ineukaryotes?What are the roles of loading buffer/loading dye, DNA markerand an ethidium bromide...
- Q What are some solutions to do when a team member (at school,work, etc..) in your group isn't pulling their weight. Pleaseprovide as many as you can
- Q What are the structural differences between actin and actin-relatedproteins, please i need detailed ansewer if you can?
- Q Match the animal with the correct classification.1) Squid2) Earthworm3) Lobster4) Scorpion5) Jellyfish6) Tapeworm7) Centipede8) No specific tissues just a collection of cells9) Roundworm10) FleaTERMS:a) spongeb) cnidarianc) platyhelminthd) nematodee) Hexapodaf) myriapodsg)...
- Q What is the importance of carbohydrates, proteins, fats andwater for exercise?How should be pre-exercise nutrition?How should be post-exercise nutrition?What should be the pattern of the meals before, during andafter the...
- Q Some orchid flowers so closely resemble some female insects thatthe corresponding male insect is fooled into “mating†with theflower and thus moving pollen between flowers. A.) Explain/describewhat type of interaction...
- Q what should I eat in a full 3 meal day and can include snacks thatI would be able to get all RDA or close to them including all RDAof vitamins...
- Q what should I eat in a full 3 meal day and can include snacks thatI would be able to get all RDA or close to them including all RDAof vitamins...
- Q Compare and contrast the extracellular matrix of animals and thecell wall of plants. Consider their functions and the types ofmolecules that make up these structures. What properties of thesemolecules help...
- Q define compassion
- Q Course Culminating Activity Task 20-01 - TreatableDiseases and DisordersSelect a treatable disease or disorder (human or other mammal) andcomplete the following tasks to explore and understand thedisease.Describe the impact of...
- Q The bacterial one-hybrid assay holds E. coli cellshostage until our protein of interest can active transcription andtranslation of enzymes from the HIS3 and URA3 genes. These enzymesare needed to produce...
- Q \"Global Climate Change\" refers to shifting trends in thelong-term weather patterns (\"climate\") across the globe, andincludes phenomena such as global warming. At its root is a steadyincrease in the atmospheric...
- Q A patient with diabetes has a history of foot ulcer progressingto infection. Specifically, this is recurrent diabetic footinfection (DFI). That is, despite apparent success of the treatmentthe infection continues to...
- Q Genetic engineering of microorganisms involved in MLF of winehas only been partially successful, why?
- Q Howcan molecular biology techniques be used to identify geneticdisease conditions in fetal or adult humans? Provide two examples.basic biotechnology
- Q 32- Motor neurons that carry information away from the brain orspinal cord are known as afferent neurons.Select one:TrueFalse33- At home, safe food-handling practices can be sorted intofour basic categories: (1)...
- Q Why do more Black women die from cancer then White women?Explain what lupus is and why African Americans have a higherincidence rate.
- Q Autotrophy is MOST ACCURATELY defined asSelect one:a. the synthesis of organic matter from inorganic materialsusing energy from light or oxidation of reduced molecules orelements.b. the breakdown of organic matter to...
- Q If the R group of an amino acid (AA) is a –CH2-OH then the nameof this AA isSelect one:a. Serb. Tyrc. Alad. Hise. Trp
- Q 1)What is the effect of crossing over in the gametes? What is itseffect in the next generation?2) How would nondisjunction be different if it occurred inanaphase II? Draw the results...
- Q 3) Suppose that a population of 50 deer lives on the UCONNcampus. If these deer have an intrinsic growth rate (r) of 0.65individuals/year, and if their population grew exponentially, howmany...
- Q One hypothesis for the high biodiversity of flowering plants istheir coevolution with animals.  Why might coevolutionaryrelationships between plants and animals lead to diversification inplant (and insect) groups?
- Q Genetic Disorder: Argininosuccinic AciduriaOfficial full name of the gene responsible for thedisorder:Â Â Mutations of the Argininosuccinate lyase (ASL) gene iswhat leads to Argininosuccinic Aciduria disorder. The mutationsoccur from a lack of...
- Q 21- Which is a hormone that reduces blood volume and pressureand increases urine volume?Select one:a. atrial natriuretic hormoneb. aldosteronec. renind. erythropoietin22- Which of the following is a chemical signal that...
- Q Drug discovery and development involves a number of distinctstages each having a defined aim and typical set of researchstudies that are undertaken. State one stage of drug discovery anddevelopment (i.e....
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