What evolutionary event followed metabolic release of oxygen into the atmosphere and gave cells a significant selective advantage?
a. evolution of photosynthesis
b. formation of multicellular organisms
c. evolution of aerobic respiration mechanisms
d. evolution of anaerobic metabolism
e. oxidation
Ans: c. evolution of aerobic respiration mechanisms
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The type of Escherichia coli that produces a verotoxin similar to the one produced by Shigella dysenteriae is ________ E. coli
A) enterohemorrhagic B) enterotoxigenic C) enteropathogenic D) enteroimmunogenic
All of the reactions of cellular respiration that occur after glycolysis take place in what part of the eukaryotic cell?
A. The chloroplast B. The cytoplasm C. The plasma membrane D. The mitochondria E. The nucleus
________ is an autoimmune disease characterized by the presence of antibodies that bind to and block acetylcholine receptors
Fill in the blank with correct word.
The cells illustrated in Figure 3.1 are in a(n) ________ environment.
A. hypotonic B. hypertonic C. isotonic D. fluid mosaic E. passive