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With few exceptions, hyperthermophilic crenarchaeotes are obligate aerobes.
Q12: The MPN technique is rarely applied in
Q13: Explain why DNA fragments migrate toward the
Q18: If properly constructed,a Winogradsky column can be
Q23: A fungal mycelium is a large accumulation
Q30: In the natural carbon cycle,carbon dioxide is
Q31: Most chemolithotrophic bacteria that oxidize sulfur are
Q49: During periods of stratification,transfer between surface and
Q51: Sudden nutrient perturbations in an environment generally
Q57: Purple phototrophic bacteria that use bacteriochlorophyll a
Q73: Which metabolic strategy's existence suggests rapid growth