Which answer is not true of the inflammatory process?
A) Edema occurs.
B) Leukotrienes cause increased capillary permeability.
C) Kinins cause increased capillary permeability.
D) Swelling occurs due to vasodilation and increased capillary permeability.
E) The area becomes red due to a decrease in capillary diameter.
Ans: E) The area becomes red due to a decrease in capillary diameter.
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In maize, a "mutable" allele results from
a. the loss of an autonomous transposon. b. the insertion of an autonomous transposon. c. the loss of a nonautonomous transposon. d. the loss of the ability of an autonomous transposon to transpose. e. the insertion of a nonautonomous transposon.
Two species regularly come into contact and form hybrids that have higher fitness than either of the parental species. What are some likely consequences of regular hybridization between these species? Check all that apply.
_____ evolution of a third species _____ reinforcement of prezygotic isolating mechanisms _____ extincton of one or both of the parental species. _____ increased gene flow between the parental species _____ complete reproductive isolation of the two original species Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about gene flow before speciation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Most plants absorb nitrogen in the form of ____
a. NH4+. b. CN. c. N2. d. NH3. e. NO3-.
A secondary immune response differs from a primary immune response in that the secondary response ________
A) produces helper T cells B) produces cytotoxic T cells C) produces effector cells D) produces memory cells