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A mutant form of aphid, klutzid, inserts its stylet in the vessel element of the xylem.
What materials are found in fluids of xylem? Could an aphid live on xylem fluid?
Would xylem fluid flow in the aphid? Why or why not?
You have formulated a hypothesis: "Mangoes contain more vitamin C than oranges." To test this hypothesis you measure vitamin C levels in 20 oranges and 20 mangoes from trees that were grown in the same orchard under the ...
1. "If humans are in the same class as domestic cats we must also be in the same order." True or False? Explain. 2. Explain in your own words how, from an evolutionary standpoint, a desert spring and an island in the oce ...
Case study: Over 30 children younger than 3 years of age developed gastroenteritis after visiting a local water park. These cases represented 44% of the park visitors in this age group on the day in question. Older indiv ...
Concerning a patient with autonomic dysreflexia: With what you know of the etiology for the hypertension, was labetalol a good choice for managing the blood pressure? Why or why not? If not, what other kind of drug do yo ...
Explain why type AB+blood may be called the "universal recipient" for blood transfusion. Explain why this would not be true if the transfusion required 6 units( about 3 liters) of blood.
How might 32P and 35S be used to demonstrate that the transforming principle is DNA? Briefly outline an experiment that would show that DNA rather than protein is the transforming principle.
Biology Question Answer following question about Purple Loosestrife 1. Describe Purple Loosestrife invasive strategy, for example how does it succeffully outcompete its native counterparts in the community 2. Name some n ...
ELISA uses an enzyme-linked antibody to detect and antigen. Briefly explain how use of the enzyme is ELISA could amplify the detection of a very small amount of antigen in a sample.
Discussion Topic Topic #1 Invasive or Alien Species Invasive or alien species have decimated natural ecosystems and cost us untold millions of dollars in environmental damage. Define what constitutes an invasive or alie ...
Social unrest in West Africa, where Sickle cell anemia is most common, is forcing people to migrate to other countries. As a result, sickle cell anemia cases are rising in Europe and the US in recent years. Is the US pop ...
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