White muscle is exhausted faster than red muscle because white muscles
A) rely only on anaerobic glycolysis for energy.
B) have fewer mitochondria.
C) have no mitochondria.
D) cannot make ATP.
B) have fewer mitochondria.
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Increased concentrations of carbon dioxide (CO2) (5% to 10%) and approximately 15% oxygen (O2) produce an environmental condition that best suits which type of organism?
a. Aerobes b. Anaerobes c. Capnophiles d. Microaerophiles
The transmission cycle of Fasciola hepatica differs from the cycles of Opisthorchis sinensis and Clonorchis sinensis in that
A. encystment occurs on a freshwater plant. B. freshwater snails release cercariae. C. eggs are released from an infected human via the urine. D. helminth development occurs in the liver.
The most sustainable method for limiting human population growth is ____
a. decreasing birth rate b. increasing carrying capacity c. decreasing competition d. increasing death rate
e. exploiting outer spaceMost antibiotics act by disrupting the ribosomes in bacterial protein synthesis. Why do antibiotics not disrupt the human patient’s protein synthesis as well?
a. The DNA in bacteria is highly specialized so the drugs only work on their DNA. b. Prokaryotes and eukaryotes go through different stages except elongation. c. Prokaryotic and eukaryotic ribosomes are very different from each other. d. Antibiotics do disrupt human protein synthesis, which is why we only take very low dosages.