The first electron acceptor of cellular respiration is ________
A) CO2
B) O2
C) NAD+
D) H2O
C
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Which one of the following terms is not associated with fungi?
A) conidia B) hyphae C) mycelium D) pellicle
RNA differs from DNA in many ways, including
A. DNA contains deoxyribose and RNA contains ribose. B. DNA contains thymine and RNA contains uracil instead of thymine. C. All are correct. D. DNA is double stranded and RNA is single stranded. E. RNA can catalyze some chemical reactions and DNA cannot.
Which of the following statements is true of bacteria on this planet?
A) There are more helpful than harmful bacteria. B) There are more harmful than helpful bacteria. C) There are about as many helpful as harmful bacteria. D) Bacteria have neither a positive nor a negative impact on human society.
The majority of cases of staphylococcal toxic shock syndrome are diagnosed in
A) newly delivered mothers. B) uncircumcised males. C) anyone with a Staphylococcus aureus infection. D) nasal surgery patients. E) menstruating women.