Biology question and answers for August 07, 2023
- Q What's the function of these systems?esophagous, phraynx, glottis, trachea
- Q Microbiology Question:An organism is exposed to a chemical which impedes (but does notblock) the flow of electrons through the electron transport chain.Explain the consequences in a manner whichdemonstrates your understanding...
- Q Do some research and add your ideas to the following topic.WHAT IS AN ENVIRONMENTALLY SUSTAINABLE SOCIETY?Then write an answer using at least 200 words but fewer than 300words to describe...
- Q Blood glucose levels are under the control of the hormonesinsulin and glucagon. Describe the control of blood glucose levelsin a (normal) individual following a carbohydrate meal.
- Q List five characteristics, in order from ancestral toderived that occurred during the eye development.From early chordates' light sensitive pits to thecurrent spherical evolved eye, in sharks for example.
- Q Describe how the Hershey-Chase experiment demonstrated that DNAis the genetic material, not protein as previously thought. Explainhow they used radioactive isotopes and bacteriophages in theirexperiment and summarize their conclusions.
- Q What would be the relative risk (Steven Johnson Syndrome) ofabruptly changing the administration time of Lamictal (lamotrigine)from morning to bedtime (so probably 12 hour difference) vs anotherdaily psychotropic? Any higher...
- Q Provide three examples of abiological organism converting one form of energy intoanother*.  For each example, include:1.What form of energy do you start with and what form of energy isit converted into?2.What...
- Q Topic : The mechanism of DNA repair (write a review on it morethan 3000 words)
- Q Enteral feeding calculations1. Calculate total calories, protein, and free water provided inthe following examples.  DO NOT ROUND UP finalnumbers!  Show your work.Full strength Osmolite 1.2 at60 mls/hr x 24 hours            Calories                                    Protein:                                    FreeWater:                                    Fullstrength Jevity 1.5...
- Q How would you summarize:a. The usual relationship between species richness andinvasibility at small scales?b. The usual relationship between native species richness andexotic species richnessat large scales?c. The reasons for the...
- Q Explain how the genetic code and the central dogma of proteinsynthesis can be used to genetically modify organisms and whatproperties of the genetic code and the central dogma of proteinsynthesis...
- Q Thedairy sector is not well developed in Ghana. With yourunderstanding of animal biotechnology, discuss how the sector canbe improved using biotechnology taking into consideration anyissues or concerns that might arise...
- Q 1. Illustrate meiosis in the life cycle of a higher animal.2. How does the amount of DNA per cell change duringgametogenesis and fertilization?3. Describe the movement of chromosomes during each...
- Q You may choose more than one answer. In order to demonstratethat a growth hormone binds its receptor specifically, you mustshow which of the following?Dose-dependent bindingSaturation bindingSpecific bindingProtein activity
- Q <Nutrition and Health>Choose one of the diseases (Gastroesophageal RefluxDisease, Irritable Bowel Syndrome, Celiac Disease, Food Allergies,Oral Disease, Colon Health, Osteoporosis) and include thefollowing: cause, symptom, treatment, how can diet andnutrition...
- Q discuss the body's acute phase response to the release ofinterleukin I by the monocyte/macrophage system.
- Q What is the approximate rate of addition of nucleotides to a strandof DNA during DNA replication in eukaryotes? What is theapproximate size of the human genome in terms of base...
- Q DNAstructure and replication (write down)Forensic DNA analysis what types if tools are used and how dothey confidently identify a criminal?
- Q 7. The phenotypic frequency of colorblind males in the Caucasianpopulation is 0.08. If the population is in equilibrium, whatpercentage of women would we expect to be color blind in thispopulation?...
- Q You have the following buffer recipe and decide to make up someconcentrated solutions first so that you won't have to weigh outdry ingredients, wait for them to dissolve, and correct...
- Q 9. Which G protein signaling pathway elevates calcium?A. What is the pathway for elevation of calcium?B. What is Calmodulin. How is it relevant to calciumelevation?C. What is myosin light chain...
- Q Describe one of the most recent disease outbreaks, and the roleof epidemiologists (descriptive and/or analytical) in addressingit. What questions would you ask an epidemiologist, if you had thechance to interview...
- Q Describe the function of antibodies, utilize the followingterms: epitope, paratope
- Q Compareand Contrast Prokaryotes and Eukaryotes: List at least 3 structuresthat distinguish prokaryotes from Eukaryotes (based on domains oflife)
- Q Discuss the importance of electrons in the transfer of energy inliving systems. Be sure to use a specific example in yourdiscussion.
- Q What is an amino acid? How many amino acids arethere?Â
- Q For each of the following amino acids, draw the form that isexpected to predominate at physiological pH: (a) l-Isoleucine (b)l-Tryptophan (c) l-Glutamine (d) l-Glutamic acid
- Q Early mammalian development occurs in the uterus. What kind ofselective pressures might operate in uterus?
- Q a. What are the steps/characteristics of lysosome centeredprotein degradation? Discuss any specificities and give an exampleof at least one protein which is cleared via the lysosomaldegradation.  b. What are the steps...
- Q A butterfly shaped rash across the nose and cheeks is a commoncharacteristic of?Lupus, rheumatoid arthritis, myasthenia gravis, hashimotosthyroiditis
- Q 1. A measure of yeast cells preparing for mating is:a.The percentage ofunbudded cellsb.The percentage ofschmooing cellsc.The number of buddingcells2. The alpha mating factor pathway signals through a:a.Kinase receptorb.Ion channelc.G proteind.Nuclear...
- Q Explain pharmacokinetic interactionsunder ADME. Give an exampleto each one and mention the outcome of these interactions. Pleasewrite me long :) thanks you.
- Q Explain how a single gene effects two or more independentpathways using the example of an white eye phenotype for a fruitfly. Propose three hypothesis with details and explanation.
- Q Which cell cycle phase would NOT progress if a lack of nutrientsprevented cell growth?a.Cytokinesisb. S phasec. Metaphased.G2 phase
- Q 1. Carbohydrates, oxygen, carbon dioxide, water, heat and lightare all participants in theprocesses of respiration and photosynthesis. Write an equation toshow the substratesand products of each process.2. Photorespiration occurs in...
- Q 1. What are the four key environmental limitations to plantgrowth, considered at global-scale?2. What are the major environmental factors that influencedecomposition rates inecosystems?3. Stomata are first seen in plant fossils...
- Q 1. There was major period of angiosperm diversification andradiation between 110 and 90million years ago. For many years the dominant view was that thisreflected coevolutionwith insects, which were also thought...
- Q Working with neurons in the lab, you noticed that abatch of isolated neurons from Science Express is not workingappropriately. Your research advisor asks you to sort it out. Doingseveral experiments...
- Q A dihybrid cross is done on pea plants with the character colour(P vs. p) and pollen shape (round L vs long l). The resulting F2generation has the phenotypic ratios; 6:2:2:6...
- Q For example, a vegetable market in Muscat disposes 150 kg ofrotten vegetables daily basis. Write a project proposal to use thisdisposed rotten vegetables to meet electrical loads by producingmethane with...
- Q What is the normal environment of Escherichia Coli?
- Q JJ KK and jj kk individuals (parents) were crossed to eachother, and the F1 were testcrossed to the jj kk parent strain. Theresulting offspring were: 999 Jj Kk : 999...
- Q Biochemistry\"Thr-91 of Complex I is conserved through evolution.It is crucial for the functioning of Complex I in the ElectronTransport Chain. I make two forms of mutant yeast: one in whichThr-91...
- Q howdoes manganese bind to proteins? does manganese bind to otherbiopolymers? if so, how?
- Q Consider the following substances: alcohol, penicillin andrifamycin. Which of these substances would likely have the broadestspectrum of activity against microbes? Why? Identify one downsideassociated with this substance and its broad-spectrum...
- Q If DNA primase incorporated a mismatched nucleotide, how wouldthat affect the organism? Justify your answer.
- Q Vibrio choleraeNumber of cases and deaths per year informationTransmission informationTaxonomy informationSigns and symptoms informationIdentification informationPrevention and treatment informationSources information
- Q Albinism is a rare autosomal recessive trait in which there is acomplete absence of melanin pigment in the skin, eyes, and hair. Anormally pigmented woman whose parents are normal has...
- Q How are vaccines made? - Why do they take so long to make? - Whycan't you just walk into Walgreens and buy a vaccine for Covid-19yet?
- Q You and 99 friends are on a three hour boat tour when theweather started getting rough and you were stranded on a desertisland. Three of you friends are carriers of...
- Q Why does the addition or removal of a single nucleotide have adramatic effect on a protein's function? What type of mutation isthis?A mutation occurs in the portion of a gene...
- Q Prepare and present on a specific answer to this very broadquestion: How does biology shape our lives and society?
- Q Acyltransferase in plants introduces fatty acids intoglycerolipids determines the degree of unsaturation of the membraneof lipids. explain why
- Q What is the structure found on moss from which spores arereleased?The thallus of the liverworts has what structures? What are thefunction of the structures you listed.Ferns have vasculature. What does...
- Q Discuss the fat-soluble and water-soluble vitamins. Give theirfunctions, deficiency diseases, and food sources.
- Q This topic's discussion focuses on the basic processes of howcells are able to do what they do--the central dogma of life. Inorder for cells to function effectively, they need to...
- Q QUESTION 46Which one of the following is a human blood type?ABO-Rh+E+B-Rh1 points   QUESTION 47Which one of the following statements correctly describesactivities of muscles?All muscles shorten when they contract.All muscles are...
- Q Please give 7 examples from the movie Contagion (2011) that arerelated to microbiology. Give theexample and describe the context or situation in the movie whereyou found your example.
- Q The end of the chapter talks about DNA repair, and thediscussion for this topic will follow up on this idea further. Youshould do further research on some aspect of DNA...
- Q Q.1 Write an essay on the spread of Hellenistic Culture.Include the following in your essay: 750 words Maximuma) Hellenistic culture in Alexandria 2 Marksb) Science and technology 2 marks   c)...
- Q Why is there a debate about Australopithecus afarensisbipedalism?
- Q Please do not Quote from another writter. handwitten work muchpreferred.(3 pages needed)Describe how an ultrasound transducer works? Include a discussionof the energy form used to create images and how that...
- Q Q1. Fill inIn 2016, The American Sheep Industry Associationreleased data showing that the nation's 88,000 sheep producersgenerated a total economic impact of $5.8 billion. Some of theissues that impact the...
- Q Using the example of a cat, what is the direction toward thehead? toward the midline? toward the abdominal surface? the areasupporting the forelegs?
- Q what is interesting to know about the treacha wall inthe respiratory system and what are its fuctions.
- Q QUESTION 36Vasoconstriction is a term that refers to thecontraction of muscle in the walls of the blood vessels, thuscausing the diameter of the blood vessel to decrease. Which one ofthe...
- Q The protein synthesis in pro- and eukaryotic species resembleseach other to a large degree. In both pro and eukaryotic cells,mRNA is used as template for incorporation of the correct aminoacids...
- Q Glucose are stored as glycogen in muscle cells, from which itcan again be mobilized during exercise.a) Write down the partial reactions as well as the net yield forthe conversion of...
- Q You have ordered a set of enzymes that includes a protease, aDNase, and a RNase. Unfortunately, the company that you orderedthem from failed to label the tubes with the specific...
- Q 4. Termination of replication inprokaryotes5. Which of the following statements regarding r RNA iscorrect:a) The most common of all RNA structuresb) It comes in the form of a single-chain moleculec)...
- Q Horses have 64 chromosomes and donkeys 62. The sterile hybridbetween a horse and donkey is called a mule. In 1985 a mule namedKrauss gave birth to foal named Blue Moon...
- Q The transport of Potassium across a eukaryotic membrane canhappen by either a passive or an active transport. The activetransport is used when Potassium has to move against theconcentration gradient that...
- Q What do LDL receptor (LDLR) cytoplasmic domain mutations thatcause familial hypercholesterolemia reveal about thereceptor-mediated endocytosis (RME) pathway? Based on yourknowledge of the entire endocytic process of LDL, are there otherproteins...
- Q The protein synthesis can be divided in three phases:initiation, elongation and termination.a. Describe the initiation phase as it takes place inbacteria.b. The initiation phase in pro- and eukaryotes begindifferently, when...
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