Hypotheses that are falsifiable fall within the realm of:
a. science.
b. history.
c. not science.
d. philosophy.
e. English.
A
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Which of the following statements is true regarding the sexual life cycle of ascomycetes? Select all correct choices
A. Spore precursor cells undergo meiosis and mitosis to form spores. B. Spore precursor cells only undergo meiosis to form spores. C. Spore precursor cells only undergo mitosis to form spores. D. Fruiting bodies are composed of both haploid (1n) and dikaryotic (n+n) cells. E. Fruiting bodies are only composed of dikaryotic cells (n+n).
Which of the following statements best describes how plants use hormones during signal transduction?
A. The hormone will bind to a specific receptor in the plasma membrane. It will then trigger a series of relay proteins that alter the signal into one that will impact the cellular machinery. Once the machinery is altered a change in gene expression will occur causing a change in the physical expression of the plant. B. The hormone will bind to a specific receptor in the plasma membrane. It will then trigger a series of relay proteins that alter the signal into one that will impact the cellular machinery. Once the machinery is altered a change in the physical expression will occur causing a change in the actual genes of the plant. C. The hormone will trigger a series of relay proteins to alter the signal into one that will impact the cellular machinery. Once the signal is changed the hormone will bind to a specific receptor in the plasma membrane. It will then cause a change in gene expression to occur causing a change in the physical expression of the plant. D. None of these describes how plants use hormones during signal transduction.
Which of these pathogens would most likely be attacked by antibody-dependent cell-mediated cytotoxicity?
A) varicella-zoster virus B) Salmonella typhi C) Staphylococcus aureus D) blood flukes (schistosomes)
After running a marathon, it is best to drink water to restore what was lost due to heavy sweating.
Answer the following statement true (T) or false (F)