Integration of body functions is controlled by
the
a. respiratory system.
b. nervous system.
c. endocrine system.
d. defense system.
e. nervous system and the endocrine system.
E
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Enzyme specificity refers to the
a. specific name of each kind of enzyme. b. fact that enzymes catalyze one particular substrate or a small number of structurally similar substrates. c. effect of temperature on enzyme activity. d. effect of pH on enzyme activity.
The earliest hominids discovered to date belong to the genus:a
Australopithecus. b. Homo. c. Ardipithecus. d. Sahelanthropus. e. Aegyptopithecus
Which of the following statements accurately describes the difference between aerobic and anaerobic respiration?
a. anaerobic respiration uses oxygen as the final electron acceptor, and aerobic respiration uses either an inorganic molecule, such as nitrate ions or sulfate ions, or an organic molecule, such as an acid or alcohol b. aerobic respiration uses O2 as the final electron acceptor, whereas anaerobic respiration uses H2O c. aerobic respiration uses oxygen as the final electron acceptor, and anaerobic respiration uses either an inorganic molecule, such as nitrate ions or sulfate ions, or an organic molecule, such as an acid or alcohol d. anaerobic respiration uses an organic molecule as the final electron acceptor, and aerobic respiration uses an inorganic molecule as the final electron acceptor
A stratified water column consists of ________ called the epilimnion and ________ called the hypolimnion
a. warmer, denser water / colder, less dense water b. colder, less dense water / warmer, denser water c. warmer, less dense water / colder, denser water d. colder, denser water / warmer, less dense water