The mechanisms by which the body of a plant functions in its environment is the ____ of the plant
a. morphology
b. ecology
c. anatomy
d. distribution
e. physiology
E
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Proteins that are loosely associated with the cytoplasmic membrane are called ________ proteins.
A. external B. internal C. peripheral D. integral
When a DNA promoter sequence is methylated, ____
a. it is permanently silenced because the methyl group can never be removed b. it is temporarily silenced because the methyl group can be removed c. it is perpetually transcribed because the methyl group can never be removed d. it is temporarily transcribed because the methyl group can be removed e. the impact on expression depends on the gene being controlled by the promoter
What characteristic is unlikely to be associated with arctic tundra?
a. a perpetually waterlogged soil b. rapid nutrient recycling c. one of the world's greatest store of carbon d. permafrost e. cool, anaerobic conditions
The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are ________.
A. eosinophils B. basophils C. monocytes D. lymphocytes E. neutrophils