Lysosomes maintain an acidic environment by actively pumping protons into their interior.
Answer the following statement true (T) or false (F)
True
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Which of the following functional groups would you expect to find in aerobic iron- and sulfur-rich acidic mine drainage?
A) dissimilative iron-oxidizers B) dissimilative iron-reducers C) purple sulfur bacteria D) purple sulfur bacteria and dissimilative iron-reducers
The pH of blood is maintained by the respiratory and excretory system. What is the normal pH of blood?
A. 5.2 B. 6.4 C. 6.8 D. 7.4 E. 8.6
19th-century naturalists tried to reconcile traditional beliefs with physical evidence of __________. Fill in the blank(s) with the appropriate word(s)
Differences in appearance or function that are passed on from generation to generation is
1.microevolution. 2.macroevolution. 3.phenotypic variation. 4.quantitative variation. 5.acquired characteristics.