Which area of the United States experiences rainfall with the lowest pH?
a. southwest
b. southeast
c. northeast
d. Midwest
e. northwest
ANSWER: c
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In contrast to regulators, animals that are conformers
A. are able to alter their immediate external surroundings in order to maintain homeostasis. B. require large stores of ATP to maintain homeostasis. C. have an internal body composition that varies along with external changes. D. cannot live in extremely cold environments, such as the Antarctic Ocean. E. cannot adapt to the external environment.
The amount of dissolved salts in water determines the:
a. temperature. b. luminosity. c. salinity. d. clarity. e. turbidity.
In lakes and ponds, the open-water zone extending to the depth of light penetration is referred to as the ________ zone
Fill in the blank(s) with correct word
Match the skeletal muscle protein on the left with its function on the right
A) binds along the length of thin filaments to regulate myosin head association B) links thick filaments to Z line C) stabilizes thin filaments D) major component of thin filaments E) bundles parallel arrays of actin filaments at Z line F) major component of thick filaments G) M line myosin filament-binding protein H) mediates Ca2+ regulation of contraction I) major protein of sarcoplasmic reticulum J) attaches actin filaments to Z line 1) actin 2) myosin 3) tropomyosin 4) troponin 5) titin 6) nebulin 7) myomesin 8) ?-actinin 9) Ca2+-ATPase 10) CapZ