Biology question and answers for July 11, 2023
- Q What is the purpose of adding precision plus standard inSDS-PAGE? What will happen if we do not use it in our analysis?
- Q Which cell-cell connection allows for the formation of agradient of 2nd messengers, small molecules or ions in the cytosolof neighboring animal cells?a Plasmodesmatab Adherens junctionc Gap junction
- Q All the vertebrates are chordates – and all tetrapods arevertebrates – and all amniotes are tetrapods. Each of these leadingto the amniotes resulted in major morphological change.a) How do you...
- Q The overall effectiveness of a health system can be measured ina number of different ways. Health outcomes are an obvious measureand one that is tied directly to access to quality...
- Q Question: explain how nerve impulses are transmitted, describe Na-Kpump, the role of ATP, calcium and neurotransmitted
- Q Most fungi that cause harm to humans are not obligate humanpathogens. In other words, these fungi are not highly adapted toattacking humans. How and why do these fungi cause harm?Define...
- Q Pick the INCORRECT answers to the following question: (may bemultiple answers)A. ER bound ribosomes translate proteins destined to be secretedoutside the cellB. Free ribosomes translate many proteins in the cytoplasmC....
- Q phamacology 1 homework:Giving examples, explain how the bioavailability ofdrugs would be affected by these administration routes: oral,sublingual, and rectal administration routes
- Q The risk of tumor metastasis can be assessed by examining geneexpression, signal cascade activity, or protein expressions ofpathological sections. Imagine an adenoma (formed by epithelialcells, non-metastatic yet) next to mesenchymal...
- Q In this experiment, you will set things up again the same wayyou did in the very first, only this time you will addMycobacterium tuberculosis instead of yeast. Graph thedata as...
- Q In the second experiment, you perform everything the same wayyou did in the first, but this time you replace the air in eachflask with nitrogen gas (N2) which is essentially...
- Q PLEASE TYPE & EXPLAIN which covers both partsA&BA) You conduct a serial dilution whereyou repeatedly dilute .5mL of solution into 4.5 mL ofdiluent three times. What is the dilution of...
- Q Describe the difference between a lytic and lysogenicbacteriophage cycleComplete the following definitions with regards to viralreplication:RetrovirusProphageBurst SizeBurst Time
- Q Some fats, like oil, are liquid at room temperature, whileothers, such as butter, are solid. A) Explain how the structure ofthese molecules determines whether they are liquid or solid. B)Somethings,...
- Q CASE STUDY #1Review the case below and answer the following questions.This should be original work, no references or informationfrom online. Please be detailed.38-year-old female with excessive thirst, frequent urination,and weight...
- Q I'm certain chronic obstructive pulmonary disease,part of the airway (the bronchioles) constricts. what affects willthis have on the airflow _____
- Q Please answer all1. Resident biota are absent from the- Pharynx- Gastrointestinal system- Central Nervous system- Genitourinary system- Skin2. An example of an exogenous pyrogen is- Interleukin-1- Complement.- Interferon.- Endotoxin.3. Two...
- Q which are the floral formulas & floral diagram of thefollowing: Thespesia grandiflora, Tabebuia heterophylla andCommelina longicaulis
- Q Darwin was not the first one to propose that living organismsevolve. What Charles Darwin did was to propose a mechanism thatexplains how evolution occurs, which he called Natural Selection.In less...
- Q Which of the following pairs of statements are true regardingthe immune systemPrimary organs of the immune system are generative. The thymusgives rise to both B and T cellsPrimary organs of...
- Q Bioenergetics: What features of avianand mammalian physiology promote their high metabolic rates? How dothey use this additional energy? (For each question, provide atleast 3 answers involving at least 2 physiological...
- Q C. Duncan is a Caucasian male (age 14) that is brought to yourattention because his family concerned about his inability toperform strenuous exercise. Duncan suffered severe muscle crampingduring his P.E....
- Q During protein synthesis, does translation stop when the signalpeptide is synthesized or does translation stop when the SRP(signal receptor particles) bind to the signal peptides -- assumingit's being sent to...
- Q Gamma radiation of water produces the hydroxyl radical (HO). Writea mechanism showing how hydroxyl radical can ceave and modifyDNA.
- Q 1. Describe in detail how a protein-encoding gene in a eukaryoteis transcribed as mRNA, and what events happen to the mRNA beforeit can be translated into a protein.2.Describe the principles...
- Q EvolutionName of article: New Developmental Evidence Clarifies theEvolution of Wrist Bones in the Dinosaur–Bird Transition- Summarize and explain what the article is about! (CAN SOMONEPLEASE HELP ON THIS!!!!)- What are...
- Q Linda is a 22-year-old white female presenting signs of severpoison ivy dermatitis (red rash, itching, swelling, andblisters).  She stated that she was exposed to poison ivylast year but barely noticed any...
- Q You are given three therapeutic proteins; insulin,erythropoietin and G-CSF. In what production systems would youproduce these proteins, and why? Which would form inclusion bodiesand why?
- Q In doing Biochemical oxygen demand (B.O.D) what does sodiumthiosulphate do and why is starch use as indicator?
- Q You identify a protein that may play a role inmicrotubule-based transport. Propose a series of experiments thatwould aid you in confirming your assessment that this protein has arole in microtubule-based...
- Q Duncan is a Caucasian male (age 14) that is brought to yourattention because his family concerned about his inability toperform strenuous exercise. Duncan suffered severe muscle crampingduring his P.E. classes...
- Q QUESTION 21Describe the function of FOS in normal cellsand cancer cells.For a complete answer, you will need to include:A) its mechanism of action, including other proteins it workswith and its...
- Q In detail Using the equation of aerobic respiration, give thesteps that take place to produce energy.Make sure to explain wherethis reaction takes place.Would kindly appreciate if answers are in text...
- Q 27. Be able to describe regulation of gene expression inprokaryotes (transcriptional, like the Lac Operon)and in eukaryotes (transcriptional andepigenetic regulation).
- Q Which of the following organisms can cause gastrointestinalsymptoms without infecting the affected individual?A. Salmonella entericaB. Staphylococcus aureusC. Giardia lambliaD. ShigellaE. Legionella pneumophilaA reservoir of infection...A.is the pathogen causing the diseaseB.is...
- Q The Dunkers of Pennsylvania are members of a religious sect,about 50 of whom emigrated from Germany in the early 1700's. Theyhave remained relatively isolated ever since. The frequency ofblood group...
- Q identify the specific type of mutation below and determinewhether #1 or #2 is worse and explain. mutation #1 CAG CCTTTG CGC AAG mutation #2 CAG CCT TTACCC AAG
- Q A 27-year old white female presented her self at her localphysician on August 15. On physical exam, the patient had a feverof 38.5C. She appeared fatigued, had tender abdomen and...
- Q How was the chemical nature of the genediscovered?
- Q 7. which of these is reflective of the hierarchical organizationof life form most to least inclusivea phylum, class, order , genus , familyb order, family,phylum, class, genusc phylum, class, order,...
- Q Describe the effect that phosphorylation of PFK-2/FBPase 2 will have on the glycolytic pathway.
- Q _____50. Most STIs are                A.bacterial                  B.viral                 C.fungal                   D. protozoan_____51. Which one of the following venereal diseases isdiagnosed by observing Gram                negative diplococci in the phagocytic leukocytes from a urogenitalswab particularly                in men?                A. syphilis         B.gonorrhea          C. nonspecificurethritis         D.trichomoniasis_____52. Which...
- Q Consider two unlinked loci, A, a and B, b. The frequencies ofthe nine genotypes in a population that are recognizable withrespect to these loci are:AA Aa aaBB 0.20 0.40 0.04Bb...
- Q 2. You have learned MANY different mechanisms that can lead tocancer development. One of these mechanisms involves changes inepigenetics during tumor initiation and progression.A. HDAC proteins (a class of eraser...
- Q Female Tsetse flies heterozygous for 3 recessivemutations, t (tiny body), sq (squint eyes) and sb (soft bristles)were testcrossed to homozygous t, sq, sb/ t, sq, sb individuals andthe following progeny...
- Q Create a biological molecular or genetic network.using. It can be genes and proteins interacting with one another,including protein-protein, protein-DNA, genetic and enzymaticinteractions. Please refrain from mapping physiological orecological networks. Any...
- Q Devise and describe an experiment based on a chi-square (simplepreference) analysis investigating a phenomenon of mate choice. Besure to clearly state what it is you are trying to find out,...
- Q Scientist looked for the flowering hormone, which they namedflorigen for many years and finally have found it. What isflorigen, i.e., what type of molecule? In what cells does it movethroughout...
- Q Some etiolated seedlings develop hairs on their epidermis whenexposed to dim light. Describe an experiment to test the hypothesisthat a phytochrome is the photoreceptor for this effect.
- Q Ls4208_endsem_2016The question is from marine biology.2. Fifteen of the sixty known species of seagrass worldwideoccur in Great Barrier reef - Elucidate this statement from thecontext of seagrass biology (10 marks)
- Q Choose any behavior in any animal you wish (one that we have notdiscussed at length in class) and explain that behavior from eachof Tinbergen’s four levels of causation (proximate, ontogenetic,adaptive...
- Q Choose any instinctive behavior you wish and describe thatbehavior using terms from classic ethology: fixed action pattern,sign stimuli and releasers, innate releasing mechanisms, and actionspecific energy
- Q The following survivorships were observed in a population ofbutterflies on the coast of Chile. Blue (B) is dominant to red (b).Give the relative fitness of the heterozygote genotype.blue                red# individuals beforeselection                       87                   72#...
- Q MicrobiologyWhat type of metabolic interaction among microorganisms occursin the rumen and what two types of prokaryotes are involved? How iseach affected by these interactions?
- Q Identify an unsolved problem about the microbiota that will bebest solved through systems biologicalapproaches.What problem are you trying to solve? Why is it important?What will be the objective of the...
- Q Define the cell cycle and include the stages and what occurs duringeach?
- Q Name three racial or ethnic disparities that exist in thepractice or enforcement of current U.S. drug laws
- Q In the original eye deprivation experiments Hubel and Wieselclosed one eye of a few days old kitten. A couple of month laterthey measured neuronal activity in the contralateral V1. What...
- Q subsidiary cells- would this be cells that surround the guardcells and aid in their function.Three different types of cell arrangements are the stomata?would this be correctparacyticDiacytic- orientation is at a...
- Q When the protein comes out of the ribosome it may not befinished. What else may be needed to be done to the protein and howis it done? (Hint, chaperones, sugars...
- Q Does the somatosensory cortex have a columnar organizationsimilar to the visual cortex?a. Yes, alternating columns contain neurons responding topleasant and aversive stimulib. No, columnar organization doesn’t make sense in thesomatosensory...
- Q 1.Decribe the structure, function, and location of ATP synthase.2. Explain why emzyme function is usually explained as a \"lockand key\" model. Then explain why this model is outdated/inccorect.3. compare and...
- Q 1. What evidence was found in the baboon colony suggestingstress results inphysiologic damage?2. What specialized nerve cell allows for the detection ofcolor?3. What structures of the eye allow for visual...
- Q Is bipedalism a uniquely human trait? What makes usmorphologically human and different? Expound on the uniqueness ofhumans compared to some of our closest relatives. Think behavior,neurological, social etc.?
- Q Which of these attributes are similar between the visual andsomatosensory systems?a. All axons that carry information from the periphery aremyelinatedb. All of these answers are correctc. Topographical organizationd. Peripheral information...
- Q Does management impact the carbon cycle?
- Q In the Meselson - Stahl experiment, if after the first round ofreplication, the DNA had been denatured at high temperature beforeits centrifugation in a column of cesium chloride, which two...
- Q 2) (10 point question) Many people lovecolorful and tasty tomatoes and an ambitious student inhorticulture wants to breed such a tomato variety. He searched allthe available tomato genetic resources, and...
- Q write a paragraph describing the biology concept behind the movieContagion and how its related to Covid-19
- Q There are a number of indicators of biological sex and gender.Define biological sex. Define gender. Explain how they are the sameor not, and your response must include at least two...
- Q Describe how limiting nutrients structure ecosystems and whathappens when you add that limiting nutrient back.
- Q In otherwise normal, intact (not leaky),coupled mitochondria supplied with succinate and ADP, if you addANTIMYCIN:What happens to electron- transport (works/stops)?Why?What happens to oxygen consumption (works/stops)? Why?What happens to proton pumping...
- Q Explain how the concept of Shifting Baselines and Tragedy of theCommons applies to the overfishing of the world's oceans. In otherwords, how might each of these concepts contribute to our...
- Q __________ are the most numerous WBC and are primarily involvedin ___________.A) Lymphocytes; acquired immunityB) Neutrophilis; phagocytosisC) Neutrophilis; acquired immunityD) Lymphocytes; phagocytosis
- Q Gene therapy attempts to correct a genetic deficiency byinserting a normal version of the affected gene into the patient'scells. For this to be effective, the cells need to be _______cellsthat...
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