Define bulimia nervosa
What will be an ideal response?
an eating disorder characterized by binge eating followed by purging in order to avoid gaining weight.
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Which of the following statements about energy from the Sun is correct?
A. the surface temperature of the sun is about 6000 degrees Fahrenheit B. about 4% of the suns radiation is in the visible light spectrum C. on an energy distribution curve, the sun's emissions peak around .5 micrometers D. earth acts as a blackbody because of it's dark color E. the earth emits shorter-wave radiation than the sun
Lymph nodes filter _____
a. blood c. plasma b. lymph d. all of these
A hydrogen bond is
a. a sharing of a pair of electrons between a hydrogen and an oxygen nucleus. b. a sharing of a pair of electrons between a hydrogen nucleus and either an oxygen or a nitrogen nucleus. c. an attractive force that involves a hydrogen atom and an oxygen or a nitrogen atom that are either in two different molecules or within the same molecule. d. none of these. e. all of these
In unwound chromatin, nucleosomes are organized into large coiled loops held together by:
a. histones. b. centromeres. c. kinetochore proteins. d. scaffolding proteins. e. condensins.