Bulimia Nervosa
What will be an ideal response?
An eating disorder characterized by periods of not eating interrupted by bingeing followed by purging; may be obese or of normal weight
>> if they are underweight, they are diagnosed with binge-eating/purging anorexia
> mortality rate for individuals with bulimia is about 4%
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Two hundred years ago, the fly species Rhagoletis pomonella only laid its eggs on fruit of the hawthorn tree. Today, different "host races" of R. pomonella lay their eggs on hawthorns OR apples. Apples occur within the range of hawthorns, so divergence between apple flies and hawthorn flies could be the first step in sympatric speciation. Choose the evidence that would suggest that R. pomonella is currently undergoing sympatric speciation. Check all that apply.
_____ Apple flies typically mate with apple flies, and hawthorn flies typically mate with hawthorn flies. _____ Apple flies and hawthorn flies emerge from their hosts at different times of the year. _____ Apple flies and hawthorn flies are able to form fertile hybrids. _____ Apple flies and hawthorn flies are physically indistinguishable from each other. 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 sympatric 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?
Solutes are the liquid in which solid substances are dissolved
Indicate whether the statement is true or false
A method for amplifying DNA segments using DNA polymerase is ____________. Fill in the blank(s) with the appropriate word(s)
All of the following statements are true about the plasma membrane except?
A. Proteins are involved in signal transduction across the cell membrane B. Membrane proteins catalyze chemical reactions C. Integral proteins make channels in the membrane D. Small ions can cross the membrane via simple diffusion