Charles Darwin did research on
a. dwarf pea plants.
b. coleoptiles and phototropism.
c. flowering.
d. germination.
e. fruit ripening.
Answer: b
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Which group is made up of almost exclusively decomposers?
a. plants b. fungi c. animals d. bacteria e. protists
All microbicidal agents are sterilants.
Answer the following statement true (T) or false (F)
A young scientist has discovered a new species of grub worm in the Amazon. He would like to explore the possibility that in this grub worm the codon CUC is the start codon and codes for methionine, not leucine as it does in other worms. To date, he has been unable to get his research funded, most likely because
A) worms have been extensively studied and their genomes are simple. B) worms do not contain homologous genes to humans. C) codons are generally the same in all worms. D) the genetic code is universal to all species. E) worms are difficult to maintain in the laboratory.
Which of the following statements about nosocomial infections is FALSE?
A) They occur in compromised patients. B) They may be caused by opportunists. C) They may be caused by drug-resistant bacteria. D) They may be caused by normal microbiota. E) The patient was infected before hospitalization.