Biology question and answers for August 05, 2023
- Q Describe what happens in each of the following phases:Metaphase of MitosisMetaphase I of Meiosis IMetaphase II of Meiosis IIAnaphase of MitosisAnaphase I of Meiosis IAnaphase II of Meiosis II
- Q Pick one of the two options below Option 1: Mini-Mental StatusExamination The Mini-Mental Status Examination, originallydeveloped by Folstein, Folstein, and McHugh (1975) in the Journalof Psychiatric Research, vol. 12, pp....
- Q IMPORTANT!!! Please answer it precisely. It is expected to useacademic knowledge and language. Use your own words, do not copypaste.Please explain in detail how the microbiology information aboutthe infectious diseases...
- Q IMPORTANT!!! Please answer it precisely. It is expected to useacademic knowledge and language. Use your own words, do not copypaste.Suppose you are a microbiologist living in late 1800ies andearly 1900....
- Q Give an example of microtubule and a mircofilament in the humanbody.
- Q List and Describe three regulated stages of gene expression(hint there are six to choose from).I need digital answer thanks?
- Q The son, Seif, is born with sickle cell anemia. This means bothparents carry the allele for sickle cell anemia.The father, Ahmad has a heterozygous genotype as told by thedoctor.The mother...
- Q Read the scenario then answer the question:When Ahmad and Amina decided to get married, they were worriedthat their coming children might suffer from Sickle cell disease,since Amina’s mother had the...
- Q 2.a) RNA polymerase adds RNA monomers to where?Select one:a. 3' end of the growing RNA transcriptb. 5' end of the growing RNA transcriptc. 5' end of the DNA templated. 3'...
- Q Explain how cobalamin can prevent allergies and toxins.
- Q Describe how blood flow through the peripheral circulation isregulated duringa) Exerciseb) Hemorrhage How is the mean arterial pressure restored in eachcase? physiology
- Q How does Tetracycline kill bacteria?What is selective toxicity inantibiotics?Is Tetracycline selectively toxic? Pleaseexplain your answer; in other words, how or whyTetracycline is or is not selectively toxic?
- Q Summarizes the Biological Underpinnings of Peer Victimization:Understanding Why and How the Effects of Bullying Can Last aLifetime
- Q Draw the ‘length-tension relationship’ curve for leftventricular function i.e. Stroke Volume (SV) versus End-DiastolicVolume (EDV). Use this to explain the Frank Starling mechanism andexplain how the autonomic nervous system can...
- Q Describe TWO specific cellular mechanismsthrough which a bacterium can become resistant to an antibiotic.– Please note that this question isNOT about practices or actions we do that contribute to antibioticresistance...
- Q Describe the structure of the cell membrane. Explain how thecharacteristics of the cell membrane are ideal for itsfunction.
- Q 1. How can anaerobic microorganisms grow on the skin or in themouth, both which are exposed to air?2. Why do many gram positive microbes that grow on the skin,such as...
- Q what are hallucinations and how can we prevent highschool students from taking the drugs at a musical festival?
- Q Discuss how important primers are in a biochemical context. Howdo primers work?
- Q 1. What are the functions of the skeletal system?2. How are bones classified based on their shape?3. Define the following: process, ramus, trochanter, tuberosity,tubercle, facet, fossa, foramen and fissure.4. What...
- Q . Describe with the aid of diagrams how the Baroreceptor ReflexSystem regulates cardiac output, heart rate and total peripheralresistance in order to restore changes in blood pressurea) When mean arterial...
- Q Give the importance of the following in the context of PCR: (1)melting temperature (Tm), (2) GC content, (3) primer size, and (4)primer specificity
- Q Recent advances in HIV research have led to development of drugsthat can prevent the spread of HIV virus in the host. Thinkingabout the replication cycle of the HIV virus, list...
- Q Evolution question: consider the following population geneticmodel in which the absolute fitness we are:AA 5Aa 4aa 3And the frequency of the A allele is 0.8. Calculate thefrequency of the A...
- Q Relate the central dogma of molecular biology to the principlesof PCR
- Q After designing PCR primers, what next steps should be done?Explain briefly.
- Q Segmentation first evolved in the organisms of phylumAnnelida, and vertebrates evolved more recently. How does thevertebrate body plan display segmentation and what are someassociated benefits?I got this question wrong. Could...
- Q Howdo natural and artificial selection differ? Give an example ofeach.
- Q What are PCR primers? Briefly discuss how primers can bedesigned
- Q Cystinuria is a disease characterized by the abnormalproduction of painful kidney stones. The stone formation does notappear to be related to patient dehydration. These stones areproduced because certain amino acids...
- Q The liver takes up cholesterol for excretion andmetabolism from threedifferent lipoprotein particles (LDL, chylomicron remnants andHDL).Describe the discovery, structure and functional characteristics ofthethree receptors involved. Where appropriate, include examplesofgenetic mutations...
- Q 3 . a) What tissue structure are unique to animal and what arethe benefits of these structures?b.) In what way do animal cells differ from that of othermulticellular eukaryotes? Explain.c.)...
- Q Discuss the general life cycle of viruses and relate key stagesto their pathogenicity.
- Q Drug rash from taking penicillin as prescribed is reportedwith which of the following ICD-10-CM codes?A. L27.0B. L27.0, T36.0x1AC. L27.0, T36.0x5AD. R21, T36.0x5A
- Q Male butterflies sometimes court females of other species withsimilar wing patterns. You are interested in how long males persistin courting the wrong female. You decide to test each male with...
- Q What is the monitoring and Evaluation and diagnosis of thiscase studySusan is a 1 year old baby presenting with the complaints ofloose stools since 3 days.on physical examination she is...
- Q You are being strangled! Why do you die? Include in your answera description of the need for O2 for each of the followingprocesses and explain the specific consequences of O2...
- Q What is the difference between double helix, triple helix andquadriplex            structure in in nucleic acid molecules? How are these formed? Whichone is most stable and why? Can they contribute in DNA...
- Q Changing pH can disrupt biological systems. Which of thefollowing would do you feel would be most affected by a change inthe ocean pH: the cellulose in kelp algae, or the...
- Q Understanding the molecular consequences of CFTRmutations hassignificantly contributed to the development of new treatmentsforcystic fibrosis.(a) Discuss how mutations in CFTR lead to cystic fibrosis lungdisease(b) Describe examples of at least...
- Q Metastasis is responsible for about 90% of cancer associateddeaths. The five year survival rate comparisons for metastatic andnon-metastatic tumors in various tissues was presented in lecture10. The prostate cancer survival...
- Q If being a cancer cell was easy every cell would do it. Based onwhat you learned from this course, using at least 3 distinctpoints, justify this statement. (5 points)
- Q In a gene regulatory network, describe the differences between:a) Inducible versus Repressible control systems b) Up and Downregulation
- Q Describe the functions of the following proteins and how theymodify other proteins to activate or inactivate these otherprotein’s enzymatic functions: 1)Kinases,2)Phosphatases,3)Acetyltransferases,4)Methyltransferases.
- Q List the different classes of antibodies, where they arefound and their functions
- Q 6. At which stage(s) of meiosis does the following occur?1. Replication? ______________________________________2. Crossing over? ______________________________________3. Random assortment? ______________________________________4. Separation of bivalents?______________________________________5. Separation of sister chromatids?______________________________________6. Transition from diploid to haploid?______________________________________
- Q The “reading frame hypothesis†can explain thedifference inphenotype between Duchenne and Becker muscular dystrophies(DMDand BMD respectively), diseases which are both caused bymutationsaffecting the gene encoding the protein dystrophin. How hasourunderstanding...
- Q binding of epinephrine to its receptor sends a message into thecells and stimulates the second messenger cAMP. once the fight orflight response is no longer needed, cAMP is broken down...
- Q **Please do not write in cursive**Q: How are the parasitic types of flatworms different inwhat body organs they have and how they go about reproduction anddevelopment compared to free-living (non-parasitic)flatworms?
- Q Give an account of the molecular genetic defects thatunderliethalassaemia and sickle cell disease.What are the resulting clinical features of these conditions?Describe the current status and future prospects of ONE of...
- Q Briefly review the lysosomal storage diseases anddiscuss the laboratory approach to achieving a diagnosis of alysosomal storage disease. Use Pompe disease as an example. (min500words)
- Q Knockdown of a protein \"TAP\" in mice leads to a loss of tumorassociated pericytes. What consequence would this have onmetastasis and why? (5 points)
- Q Explain how the replication of the lagging strand occurs inE. coli. Include a description of the role of each of thekey enzymes involved.
- Q In the lectures you heard “Cancer cells hijack the EMT processâ€.The definition of hijack according to the Cambridge dictionary is“to take control of or use something that does not belong...
- Q List and Describe three regulated stages of gene expression(hint there are six to choose from).
- Q How does MRSA develop antibiotic resistance? What geneticelements does it have and what resistance mechanisms do theseconfer?
- Q **Please do not write in cursive**Q: What is the difference in the formation of the bodyof Porifera and the bodies of all other Phyla?
- Q esearch the role of molecular chaperones (note, we didn’t coverthis topic in class) and their role in protein folding and provideme a summary of (a) how they work, (b) where...
- Q Why do different people experience the same disease differently?Or asked another way, why do pathogens cause different symptoms indifferent people?Suggest two or more well-founded reasons for thisdifference.
- Q determine which part of the endocrine system could beexperiencing problems. List some other info that could confirm orrule out your initial diagnosis (test you might be able to run orquestions...
- Q 1. Prokaryotic (Bacterial) Cell -Organelle Cell Function½.Ribosome:Nucleoid Region:Plasma Membrane:2. Eukaryotic (Animal and Plant) Cell--Organelle CellFunction  ½Cytoskeleton:Centrioles:Lysosome:Cytoplasm:Nucleus:Rough Endoplasmic Reticulum:Smooth Endoplasmic Reticulum:Ribosome:Mitochondria:Golgi complex:Chromatin:Cell wall:Flagellum:3. List the various Membrane Proteins?
- Q You are asked to produce a stealth liposome with theability to carry cDNA into the nucleus of a targeted cell carryinga specific type of receptor on its membrane. How would...
- Q . The “Convenience Factor†has been shown to influence foodconsumption and the development of new products.a) Describe the “Convenience Factor†in detail, giving anexample of how it has been used...
- Q Describe the mechanism in bacteria for repair of DNAcontaining mismatches, chemically modified bases, and double strandbreaks.
- Q Please find the 4 true statements among the 12 listed below.Write down True or Falsenext to each sentence please.ï‚· The axon arises from the perikaryon in an area devoid of...
- Q How is KPC resistance acquired? What genetic elements does ithave and what resistance mechanisms do these confer?
- Q Explain substrate transfer through cell membrane
- Q In what ways is this antibiotic resistance acquiredspecifically? What genetic elements does it have and whatresistance mechanisms do these confer?
- Q . “Some religious belief systems were useful in theconservation of wetlands prior to formal initiation of wetlandconservation measuresâ€. Discuss this statement in relation to themanagement of Sakumo Lagoon (Sakumo II...
- Q Vaccines. Your friend is worried about the manyvaccines that his newborn son is scheduled to receive and asks youfor advice since you are taking a biology course. Start with anexplanation...
- Q What are silent mutations? From your knowledge of the geneticcode, why do you think most silent mutations affect the thirdposition in a codon. Provide your answer with the 64 universalgenetic...
- Q Explain why the male serum reference range of creatine is higherthan that of the female
- Q HUMAN GROWTH HORMONE1. Describe the ligand and any external receptors that bind tothe ligand. If signaling can occur without an external ligand,explain how this can occur.2. Describe how the signal...
- Q Explain briefly the difference between the isotonic andisoismotic solutions.
- Q DIGESTION AND ABSORPTION(A) Discuss the pre-pancreatic enzymes of digestion and includeone usual abnormal finding(B) Discuss the pancreatic enzymes of digestion and include oneusual abnormal finding(C) Discuss the small intestine absorption...
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