Biology question and answers for October 04, 2023
- Q Describe the state of chromosomes (e.g., position in cell,attachments, condensation), spindle, and nuclear envelope at eachstage of mitosis. Similarly, name the stage of mitosiscorresponding to a description of a cell’s...
- Q Temperature-sensitive mutations (ts) in E. coli are atype of conditional lethal mutation. A conditional lethal meansthat the mutation is only deadly under certain growth conditions,in this case when the temperature...
- Q What do you think your 93rd amino acid is for this protein?the amino acid sequence of the protein coded for by thewild-type TYRP1 is just below.
- Q 1. A recent article predicts that the population of orcas(killer whales) in the ocean will drop by about one half over thenext ten years because the whales have high PCB...
- Q List, describe (IN DETAIL), and provide examples for the fourtypes of mutations.
- Q Which of the following is NOT a potential benefit of usingtransgenic plants?A.They often increase yields, providing more food per acre andreducing the amount of land needed for agricultural use.B.They can...
- Q What were Mendell’s experiments? Explain the F0, F1, andF2 generations. What postulates did he form from theseexperiments?
- Q What are the causes, symptoms, treatments and outcomes of thenewly emerged Coronavirus? What impacts has this had on China sofar from economic, social, and environmental points of view?
- Q It is not difficult to see that something has to changeregarding the production of waste in America. What cultural orsocietal issues do you see preventing this? Is this a global...
- Q How do regulatory enzymes, secondary messengers, and majorhormones influence the process of lipolysis? What other variousmethods does white adipose tissue exert influence on metabolic andpathophysiological processes?
- Q Modern technologies, such as global positioning systems andgeographic information systems, have allowed some farmers to becomemore efficient through more appropriate use of fertilizers based onthe varying amounts needed in soils...
- Q HELMINTH GENUS NAMES TO MATCH TO THE CASESTUDY:Â Â Â Â Â Â Taenia Ascaris EnterobiusSchistosoma TrichinellaCase 1:A 4-year-old female arrived at the emergency departmentwith abdominal pain, vomiting and a 3-day history of diarrhea. Shealso exhibited...
- Q 11. The extinct \"cycadeoids\" differ from the modern extantcycads by having ______________.A. primary tissues but no secondary tissuesB. unisexual pollen and seed conesC. different morphology of the guard cells in...
- Q Goal: Portray your knowledge of the importantattributes of a particular hominin species.Format:Make Dating profile! OF'Ardipithecus ramidus' HOMINI SPECIES.There are guidelines below. Creativity welcome!All of the responses on this dating profile...
- Q Chickens have different comb morphologies which can be walnut,pea, single or rose. Suppose that a walnut combed hen is crossedwith a single combed roster; the F1 progeny all have walnut...
- Q Identify the forms of energy based on each example: Nuclear,Mechanical, Light, Heat, Thermal, chemical energy.The energy released when two polymers are hydrolyzed.Separation of positive and negative charges across a membranedrives...
- Q In Drosophila (and other organisms) many mutations with largephenotypic effects have beenlinked to insertions of transposable elements (TEs). It isunclear, however, whether TE-inducedmutations have played an important role in adaptive...
- Q McArdle Disease (glycogen storage disease 5) is caused bymutations in the phosphorylase enzyme in muscle. The symptoms aremuscle cramps, pain, and fatigue during strenuous exercise. A) Anischemic exercise test is...
- Q 3) a) Arguably, the way prokaryotic operons arestructured has evolutionary advantages. Based on our discussions inclass, briefly describe one advantage and one disadvantage of geneexpression regulation in prokaryotes. Provide appropriate...
- Q You wish to experimentally demonstrate how the GABA B receptorsare associated with the membrane. Describe three experimentalconditions you might test and discuss what the expected resultswould indicate.
- Q Both adenylyl cyclases and phospholipase C have multiplesubtypes and isoforms. Many of these isotypes have tissue-specificactivities that may be either activated or inhibited by the sameregulatory molecules.How does a genome...
- Q Ways in which Chemical Control Agents May AffectBacteria1. Describe one way an antibiotic can inhibit peptidoglycansynthesis, state how that ultimately kills the bacterium, and givean example of such an antibiotic.2....
- Q Familial hypercholesterolemia is a genetic disease that affectsapproximately one in 500 people worldwide. There is more than onegenetic cause of the disease. In one type, heterozygous individualshave cholesterol levels >250...
- Q A patient with multiple carboxylase deficiency will benefit froma dietary restriction of these amino acids except _____ ?Methionine Isoleucine Threonine Serinem
- Q 3. A. For what suspected disease(s) would the acid-fast stain beperformed? B. Why is the acid-fast stain necessary to stain theetiologic agents of that/those disease(s)? 1point4. Juan is a new...
- Q The speed of DNA replication in prokaryotic and eukaryotic cellsDIFFERS because:A.) prokaryotic cells don’t use a double helix structure tostore their nucleotidesB.) smaller genomes allow prokaryotes to rapidly copy theirchromosome...
- Q what are few questions you can come up with, about plantgrowth, terrariums, plant competition, soils, or other related toTerrarium Experiment.What is your question?What answer/s to your question did you find?What...
- Q Describe the three modes that prokaryotes can 'obtain' new genes.Be sure to identify similarities and differences between the threemodes. How does the concept of new gene introduction change theview that...
- Q Describe 3 mechanism by which the calcium increase fromhigh-frequency stimulation can lead to a strengthened synapse.
- Q 1. Virulence factors are those attributes of microorganisms thatenable them to cause damage in a host. Some bacteria producehemolysins. Explain what hemolysins are, and indicate whether theywould be classified as...
- Q Name and describe (please describe)Â Â 5 threats tobiodiversity of herps and name three things you could do to reducethem? (of course the challenge is always the inconvenience ofsticking to principles)
- Q You are screening units for an Rh positive patient who has anantibody. The hematologist has requested units with identical Rhgenotypes. The patient has the following results with Rh typingsera: DCe/dCE.1....
- Q 1. Male whitetail deer produce antlers every year and then shedthem after the breeding season. Discuss the trade-offs in thiscycle.  2. You Work with the Centers for Disease Control and Preventionin...
- Q Which of the following ferments lactose quickly?Select one: a. Klebsiella b. Brucella c. Moraxella d.Helicobacter pylori
- Q Gymnosperms such as Pine Trees have:Flowers that attract pollinatorsOnly one kind of cone, which are maleBoth male and female conesWhich of these is a Eudicot?CactusPalm TreeLilyMost GrassesIn plants, what is...
- Q Explain the concept of Quality by Design. What technologiesenable the realization of QbD? Describe what the following termsand the role they play in realizing QbD: failure mode and effectsanalysis, design...
- Q Transcription, translation and cell signaling within cells iscontrolled by many different mechanisms.All of this information can be changed by any number ofmutations. Name at least 3 types of mutations and...
- Q Docarbohydrates only bind to the extracellular space? If so, pleaseelborate as to why that occurs.
- Q 1. Which of the following functions of vitamin B-12 is notrelated to the functions of folate?A. Maintaining myelin sheathsB. Transfer of methyl groupsC. Homocysteine metabolismD. DNA synthesis2. Plants _______.A. are...
- Q Transcription, translation and cell signaling within cells iscontrolled by many different mechanisms.Name two environmental factors that could possiblyincrease the amount of mutations in an organism and state how theywould affect...
- Q Trichinosis is a terrible disease caused by eating raw infectedpork. It causes headache, fever, and swelling as the organismencysts in the body. The parasite that causes this disease fits inwhich...
- Q Transcription, translation and cell signaling within cells iscontrolled by many different mechanisms.Explain what each of these does to regulate theproduction of proteins: small interfering RNA(or siRNA), RNAsplicing, and repressors(in operons).Please...
- Q Scientists genetically modified a specific subspecies of fruitflies to ensure there are no mutations when DNA replicates. Thescientists state this modification will wipe out any geneticvariation in these particular modified...
- Q Why don't infants suffer from sickle cell anemia?(Need an in-depth answer that focuses on the biology, includingamino acids and blood cells)
- Q I need new and unique answers, please.(Use your own words, don't copy andpaste), Please Use yourkeyboard (Don't usehandwriting) Thank you..The paper essay assignment must be 2 pages (500words) , if...
- Q 1) What are some of the ethical issues that could arise with thedevelopment and use of CRISPR?2) How much responsibility (if any) should the designer ofCRISPR take with regard to...
- Q Identify the correct order (can start with any one)offlowering plant life cycle: fertilization, gamete and productionand pollination, embryo development, maturation and flowering,fruit and seed maturation, development of the plant body,...
- Q Review a sexually transmitted disease. Select any commonsexually transmitted disease, using 500-750 words in APA format,respond to below questions about the disease you select. You mustreference your sources. Section 1:...
- Q In the United States, which type of cancer is responsible forthe most cancer deaths in males and females?A. PancreasB. LungC. BladderD. Breast2. True or false: Many cancer deaths are preventable.3....
- Q Explain the process ofaerobic cellular respiration. List all steps, main reactants, andmain products. Why would an organism perform go through the CitricAcid Cycle and Electron Transport Chain/Chemiosmosis instead ofsolely performing...
- Q Inan essay form using Type II Diabetes as an example, please describethe disparities in the prevalence and treatment of the condition.Discuss where the disparities exist (which populations), thereasons for the...
- Q The three main types of cell surface receptors areion-channel-coupled receptors, G-protein-coupled receptors, andenzyme-couple receptors. They are all capable of bindingextracellular signaling molecules but differ in how they relay thatsignal across...
- Q What is osmoregulation and why don't plants needsodium-potassium pump to regulate cell osmolarity?
- Q 1- A dihybrid cross was made between a true breeding maizecultivar with purple and smooth kernel and a true breeding cultivarwith white and wrinkled kernel. The F1 kernels are all...
- Q Question 15 - Cystic fibrosis is transmitted as a(n):X-linked recessive geneautosomal recessive geneautosomal dominant genechromosomal defect
- Q Two terrestrial ecosystems based on photosynthesis andchemolithosynthesis (hydrothermal vents) trap their energy fromspecific energy sources. Tidal squeezing has also been suggested.The type of energy sources define the character of the...
- Q Brown headed cowbirds lay their eggs in other birds’ nests, abehavior called nest parasitism. When this strategy succeeds, thehost birds accept the cowbird egg as one of their own and...
- Q 1.Discuss the two methods how Eugenics have been applied in modernhistory.2. Explain the ethical issues(components) related to Eugenics.3. Are sperm banks legal and/or ethical? Why?Why not?
- Q Which of these is true about secondary contact?A. Hybrids are always infertile.B. Hybridization can result in new species.C. Hybrids typically resemble neither parent species.D. Reinforcement can decrease differences between parentspecies.
- Q Describe how the Pentose Phosphate pathwaygive organisms an advantage.
- Q Describe telomeres and how they contribute to genome stabilityin human cells. Discuss their roles in the maintenance of thegenetic information.Essay include diagrams
- Q Using one repair pathway as an example provide a detaileddescription of the mechanism of excision repair, and explain theimportance of excision repair in maintaining genome stability.Essay style please include diagrams
- Q Evaluate the roles that long non-coding RNAs (lncRNAs) play inepigenetic processes such as imprinting and X chromosomeinactivation. Essay style
- Q . Discuss how a blockage in the mitochondrial apoptotic pathwaycan lead to an alternative, autophagy-mediated death programme,during cell stress. essay style include diagrams.
- Q Contrast properties of an epithelial tissue with those of amesenchymal tissue. How are cadherins related to the transition ofepithelium to mesenchyme; How is this transition regulated ortriggered?
- Q L. Scott Mills and his colleagues examined the seasonal coatcolor change in snowshoe hares. Snowshoe hares are typically brownin the summer and white in the winter. They argue that a...
- Q Consider two genes with different expected mutation rates due tosize. Gene 1 has a mutation rate of 1 x 10-6 in the population,while gene 2 has a mutation rate of...
- Q 3. Which of the following statements are accurate?A. Veins in the pulmonary circuit carry oxygen-richbloodB. Arteries in the pulmonary circuit deliver oxygen-rich bloodto the body tissues.C. All arteries carry blood...
- Q Two genes, A/a andB/b, control fruit color in squash. Theinheritance pattern for this trait fits one of the multiple genetypes that we discussed in class. A homozygous plant with whitefruit...
- Q hat is the immediate consequence after electrons passthrough ion pump protein?How is the proton concentration gradient created insideand outside of mitochondrial inner membrane?ATP is produced due to the electron transport...
- Q How does gene expression initiate?What are the key steps in gene expression?
- Q 6. Which of the following statements are accurate?A. In an average, healthy human, the partial pressure ofcarbon dioxide is usually higher in the blood in systemic veinsthan the alveoliB. In...
- Q what is the purpose of smears simple and negative staining? onepurpose for all the 3 staining
- Q 16. (short answer) Hypothesize what would happen if thyroidcells could not respond to TSH. Suppose a doctor did a blood draw.Would the levels of TSH be high or low? Thyroid...
- Q 1.Yogurta.)Outline the protocol used of makingyogurt in a lab. Describe the process of the symbiotic relationshipof the two bacterial organism S. thermophilus and L.Bulgaricus in yogurt making.b.) Discuss the similarities...
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