Why is it necessary to take an interdisciplinary approach to studying biology?
A. Research methods used to solve many biological questions often require a number of different types of
approaches and the expertise of a variety of scientists.
B. An interdisciplinary approach is the only way we can further our biological knowledge.
C. Interdisciplinary approaches are required to answer all scientific questions since all disciplines borrow
knowledge from each.
A. Research methods used to solve many biological questions often require a number of different types of
approaches and the expertise of a variety of scientists.
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Infections by "flesh-eating bacteria" can occur when exotoxins A, B, C, and E and the bacterial surface M protein of Streptococcus pyogenes act as superantigens
Indicate whether the statement is true or false.
How is antigenic shift different from antigenic drift?
A. The change in viral proteins is sudden. B. Genetic information is exchanged between different strains. C. A new viral strain is formed that represents a mix of two or more strains. D. All of the answer options are correct.
Manatees form pair bonds that last even after mating
Indicate whether the statement is true or false
In the late 1800s, Louis Pasteur was searching for a vaccine for anthrax in livestock. One French veterinarian had a local reputation for being able to cure anthrax by applying oils and wrapping the animal in cloth to induce a fever. Pasteur also knew that some animals got well on their own when left untreated. Pasteur tested the effectiveness of the local veterinarian's methods by injecting four cattle with anthrax bacteria. He then directed the veterinarian to perform his procedures on two cattle. The other two cattle were left alone. What is the rationale for Pasteur's experimental design?
(a). Two cattle represent a test of the veterinarian's hypothesis; two represent a test of Pasteur's hypothesis. (b). Two cattle represent a test of the treatment; two serve as a control to determine the likelihood of survival without treatment. (c). Two cattle represent a test based on inductive reasoning; two serve to test deductive reasoning. (d). The two cattle that are treated are the only test being conducted; the other two cattle serve no purpose beyond representing all the untreated cattle in France. (e). The two cattle not being treated were just a whim on Pasteur's part.