Biology question and answers for July 11, 2023
- Q 1. a. Why is it important to use a sequence region of highdissimilarity to make a strain-specific primer?b. Why does only one primer, and not both, need to target ahighly...
- Q 11. Distinguish between a monophyletic, paraphyletic, andpolyphyletic taxa. Give an example of each. How does the concept ofa clade relate to these concepts.
- Q what is the commonality of life given theknowledge of the various forms of gene interactionwhyis it important to know this in biology
- Q If an X-linked recessive trait was lethal to the development ofan embryo, answer the following questions:A. could carrier females pass this trait to sons that survivechild birth?B. could carrier females...
- Q What are the various types of Clinical Trials in which anintervention is given to determine its effect on a certain diseaseor health condition?
- Q Risk is defined as toxicity * exposure. For effects on humanhealth, the toxicity component of this equation is determineddifferently if there is a threshold than if there is no thresholdfor...
- Q You decided to become a super cool food scientist and upongraduation, was hired at an ice cream company. The first productyou are asked to work on is soft-serve ice cream....
- Q Why has an energy deficiency been considered a central cause ofinfertility for both male and female and what examples support thisnotion?
- Q Ecology:Be able to draw and describe in words the three hypothesizedmodels of how species richness affects ecosystem function. Also beable to draw and label the H0, null hypothesis model. Be...
- 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 In a hypothetical species of butterfly, wing spots arecontrolled by a single locus where BB individuals have blue spots,YY individuals have yellow spots, and BY individuals have greenspots. Ten years...
- Q Ecology:What are the key processes of the water cycle? What are theconsequences of human disruption of the water cycle?
- Q Use the Internet to find an environmentally related problem thatis happening in your area. Present information about the historybehind this problem including the population growth model in thearea, what factors...
- Q Mutations can be classified based on either the effect of themutation on the function of the gene product or the location of themutation within the chromosomes. Explain the difference.
- Q Define the following: protozoan, trophozoite, cyst.
- Q Which of the following is problematic when the goal is to constructphylogenies that accurately reflect evolutionary history?1. polyphyletic taxa in paraphyletic taxa2. polyphyletic taxa3. paraphyletic taxa4. monophyletic taxa
- Q howcan COVID-19 cause rapid pneumonia and kill to quickly?
- Q summarize how to do the gelatin liquefaction test and why itworks.
- Q Ras is a GTP-binding protein that is often mutated in cancercells. Normal cells are stimulated to divide by receiving a signalfrom a growth factor through a receptor tyrosine kinase. When...
- Q Describe the role that Phosphoinositides (PIs) (e.g.PIP2, PIP3, etc) play in both membranetrafficking and cell signaling. Give a specific example of how theyplay a role for each.
- Q 1) You have 100 ml of a solution of ATP. You take 25 ?l, anddilute it to a final volume of 1ml. The absorbance of the dilutedsolution at 259 nm...
- Q Please explain why these pathogenic link to food and how to causeillness and how to prevent1.e.coil to letture2.salmonella to infant food3.listeria to raw milk4.Norwalk-like viruses to oyster
- Q Describe the cellular and humoralresponses to viral (COVID-19) infection. Be sure to address therole of CD4 and CD8 cells, and the role of B cells and antibodies.What antibodies are produced...
- Q 7. In humans, ABO blood type is controlled by a single gene with2 codominant alleles (IA and IB) and onerecessive allele (i).  The population of humans in thecity of Xanadu is...
- Q Whydo amylase and diastase have different optimum pH levels andtemperatures?
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