Sponges are heavily preyed upon by marine fishes
Indicate whether the statement is true or false
F
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When amino acids are degraded in cells, into what intermediate(s) of the aerobic respiration process are the carbon skeletons of amino acids primarily converted?
A. Pyruvate B. Acetyl-CoA C. Krebs cycle intermediates D. Pyruvate and acetyl-CoA E. Pyruvate and Krebs cycle intermediates
The propagation cycle that occurs in acid mine drainage is caused by
A) reduction of Fe3+ by sulfuric acid. B) the oxidation of sulfide to sulfuric acid by microbial oxidation of iron (Fe3+). C) microbial sulfate reduction. D) low pH and high oxygen concentrations.
Carrier protein in the plasma membrane that moves sodium ions out of and potassium ions into cells; important in the function of nerve and muscle cells in animals.
What will be an ideal response?
Griffith’s transformation in Streptococcus pneumoniae led to the discovery of
a. DNA as the molecular basis of heredity. b. mRNA as the template for protein synthesis. c. polysaccharides as the major component of capsules. d. Archaea as the third domain of life.