Which of the following is a specific example of bioremediation?
A) the purification of water for drinking
B) the treatment of wastewater
C) the treatment of sludge
D) the degradation of crude oil spilled into the Gulf of Mexico
E) acid mine drainage
D
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Temperate grasslands and temperate deciduous forests are two different biomes that are located in the same latitudes. Which one of the following abiotic conditions is most likely to account for the differences in their community composition?
A. temperature B. precipitation C. sunlight D. soil nutrients E. a rain shadow
Cilia and flagella bend because of _____
A) conformational changes in ATP that thrust microtubules laterally B) a motor protein called radial spokes C) the quick inward movements of water by osmosis. D) a motor protein called dynein
The female gametophyte in flowering plants is the
a. ovary. b. seed. c. embryo sac. d. megasporocyte. e. ovule.
Yeast are true eukaryotes with a nucleus, mitochondria, and other membrane bound organelles including flagella.
Answer the following statement true (T) or false (F)