What is the layer of elastic proteins beneath the cell membrane of protozoans?
a. eyespot
b. pellicle
c. feeding groove
d. flagella
e. cell wall
b
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The loudness of a sound depends on the ____ of the sound wave
a. wavelength b. amplitude c. frequency d. type e. substance
Typically, members of a cohort are tracked
a. until they become independent. b. until their breeding age. c. for a period of time and then released in the environment to serve their purpose in the community. d. from birth to death. e. as long as they are in good health and serve the purpose of a study
Which stage of cell respiration makes the majority of ATP?
A. fermentation B. Krebs cycle C. glycolysis D. electron transport chain E. They all produce the same amount.
Rising concentrations of carbon dioxide (CO2 ) in the atmosphere result in the oceans
A) becoming more acidic. B) becoming more basic. C) containing less dissolved oxygen. D) containing less dissolved carbon dioxide.