Biology question and answers for September 28, 2023
- Q Most bacteria can easily be lysed by heating to a hightemperature, thus eliminating the need for a separate DNAextraction step prior to DNA amplification by PCR. Probioticbacteria are notoriously difficult...
- Q Discuss the evolutionary trends in the genus Homo.Start with the transition from early Homo to Homoerectus and end with the Neandertals. Be sure to includethe temporal and geographic distributions of...
- Q QUESTION 19Light dependent reactions are carried out both on and in betweenphotosystems. This process is like the last stage of aerobicrespiration in that bothreaction sequences carry out electron transferphosphorylations.processes generate...
- Q How does dentinal tubule occlusion stop dentinhypersensitivity?
- Q how would SEC (size-exclusive chromatography)enhance (or not) for protein purification and why? What advantagesor disadvantages? What couldbe done in the future for greater purification?
- Q The patient is a 62 year old female with nausea andabdominal pain. Routine screening endoscopy shows a diffusegastritis and biopsy reveals small bacteria in the superficialgastric mucus.What type of organisms...
- Q Once COVID-19 infected the host cell (human), its components(COVID-19 proteins) can be made.Name and explain the process involved1. Name:2. Process:
- Q Lysozyme is an enzyme produced by humans that also targetspeptidoglycan. Does it have the same mechanism of action as thepenicillins and cephalosporins? Explain.
- Q When a plant grows, the atoms used come from carbon dioxide inthe air and water. Plants are able to accomplish this through theprocess of photosynthesis, cellular respiration and biosynthesis ofmacromolecules.Where...
- Q What key elements have the biggest impact in human eye color anddoes modern biology give any tools to define the color of thefuture child’s eyes based on his or her...
- Q TheCDC’s National Notifiable Disease Surveillance System. Discuss thestrengths of the current surveillance system, the gaps youidentified, and why these gaps occur. discuss the global challengesof coordinating surveillance between multiple countries...
- Q 1. Glycolysis2. Transition step3. TCA cycle4. Electron transport chainFor each of the above, answer the following questions:Where in the cell does it take place? Prokaryote vsEukaryoteNumber of ATP molecules produced?Number...
- Q 9. A ___________ life table would be most appropriate for apopulation of sessile barnacles, whereas a _________________ lifetable would be most appropriate for a population of baitfish suchas herring. *2...
- Q true or false:1. in order to lose one pound of body fat, a person need toexercise for 3500 second2. the EER includes the amount of physical activity you engagein as...
- Q What is the relationship between diabetes, glucose in food,saliva, microvilli, blood transport of glucose, beta cells ofpancreas, diabetes- elevated blood glucose, glomerulus, glucose inurine? Major emphasis on RELATIONSHIP
- Q Differentiatebetween maternal inheritance and nuclear/generalinheritance.Explain howtransformation was discovered and how it relates to the material ofinheritance.Explain howbacteriophage were used to show that DNA was the material ofinheritance.Explain howmutations are the...
- Q Howdo CD4 and CD8 coreceptors facilitate signaling through theTCR?
- Q Describe three different lead discovery approaches(other than rational)!?And how would you discover a lead by a rationalapproach?
- Q VNTRs are useful in DNA forensics because ________.a. the VNTRs act as an identifier for a group of individualsb. the VNTRs have very little variation in lengthc. the VNTRs have...
- Q Give a specific example of how the cytoskeleton functions inmovement of a cellular component or of the whole cell itself. Yourexample must include the specific element of the cytoskeletoninvolved and...
- Q do mendelian principles of inheritance apply to humans?Explain your answer
- Q Mammalogy: Compare and contrastHomoplasyParallelismConvergence  PhylogenyCladistic groupingPhylogeny
- Q Create a table including the names and functions of the majorenzymes and proteins involved in DNA replication.1.Enzyme2.Helicase3.Primase4. Topoisomerase5. DNA polymerase 16. DNA polymerase 27. DNA polymerase 38. Ligase
- Q 1. Entomologists (scientists who study insects) agreethat it’s difficult to measure intelligence in insects. However,most say that the social insects seem to show the highest degree ofintelligence (demonstrating memory, problem...
- Q Consider a locus with two alleles - B and b. B is dominant,while b is recessive. There is no mutation. B has a selectiveadvantage relative to b, so that the...
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