Biology question and answers for September 14, 2023
- Q 1. name at least four mechanisms that may hold a hydrogeltogether without covalent bonds? In other words, physicalcrosslinking?2. provide 2 examples on how pH sensitive polymers/hydrogels maybe useful in biomedical...
- Q is it more energetically expensive to feed monosaccharides otherthan glucose into the glycolytic pathway? explain.why is the cell's ability to regenerate NAD+ critical toglycolysis? which glycolytic enzyme requires NAD+?
- Q 1.What are the two types of nutritional transport and describe thesimilarities and differences between them.2. What is tonicity and what impact does it have on microbialsurvival.3. What are four associated...
- Q Explain the mechanism that electric fish use to produce electricorgan discharges (EODs). Based on this explanation, why would afish that uses EODs for hunting and defense be likely to be...
- Q why is antibody mediated immunity also referred to ashu moral immunity?which cell type is most responsible for controlling aviral infection?what are the defense mechanisms (cells) of specificimmunity?
- Q List what transport protein you think is MOST important in thebody. Defend your answer (provide your rationale). Obviously thereare a LOT of choices.
- Q 1. Describe conditions of early Earth that existed before theorigin of life. Your description should include a brief explanationof the “massive bombardment†in addition to the other significantcharacteristics of early...
- Q There are many different ways toxins are introduced into theenvironment. Using the textbook or another authoritative sourcechose a toxin that people can be exposed to and answer thefollowing questions: What...
- Q Fill in the chart to define negative control and positivecontrol in terms of how the active forms of the gene regulatoryproteins function. How does an inducer turn on a gene...
- Q Discuss the potential uses of artificial cells and/or cell likematerials and whether you consider them to be a good substitute forthe natural versions.Please cite credible resources.
- Q Phylum Platyhelminthes.whole mount of Planaria aka Dugesia1. What are the two ways that the gut is similar to thegastrovascular cavities of cnidarian medusae?2. Compare structures and anatomy of Bdelloura sp...
- Q how to answer these1.    Discuss the effects of populationsize on both theeventual fate of an allele (fixation, loss) andtime to fixation within a population. Describe the evidence fromyour simulations for...
- Q Suppose a translocation occurs between chromosome 14 andchromosome 21 in an individual. A translocation is the result ofthe fusion between two nonhomologous chromosomes. Chromosome 14 is109 million base pairs in...
- Q What is an Acp, be specific as possible? Why do some DrosophilaAcps evolve very fast?What are some potential practice applications arising from thestudy of Drosophilia Acps?
- Q 1) Before DNA sequencing, how were scientists able to determinethe identity and number of chromosomes a person had?2) What is scientifically accurate about the assumption that twoX chromosomes establishes the...
- Q Describe the history and the role of evolution and naturalselection in ecology.
- Q Read the article (link is below) and answer the questions thatfollow in a paper format. (Paper has to be 1-page, 11-inch font-single-spaced). COPY THE BELOW LINK AND PASTE IN YOURBROWSER.https://www.sciencedirect.com/science/article/pii/S1097276513001329Primary...
- Q Other microbiology lab manuals give as a possible reaction inLitmus Milk the formation of Rennet curd. Why do you think itwasn’t included in this manual? Give a detailed explanation. (Theanswer...
- Q Jean is a 34 year-old woman who is pregnant for the first time.She has a sister who had spina bifida and an older brother who hada stroke when he was...
- Q Summarize in detail the current (≥ 2011) status of U.S.Fisheries. Briefly describe 2 actions that can potentially improvethe stocks of U.S. Fisheries. (25 points)
- Q Do bacteria and archaea have introns and pseudogenes? Or justeukaryotes?
- Q In the pre-lab paper they supplied sucrose to the plantsin culture. Could this have affected the plants investment in andreliance on photosynthesis? Discuss in terms of costs andbenefits.I need a...
- Q In a certain species of flower, the red allele for flower color(R) is completely dominant to the pink allele (r). A completelyrecessive allele (d) at a second gene on a...
- Q Roughly how many soluble proteins are there in E. coli? Referback to your Isolation and Purification of GFP lab. Describe whatproteins should be present in each of your gel samples...
- Q Describe how sugar is catabolized to pyruvate via glycolysis.Explain how these catabolic reactions generate ATP and NADH.
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