DNA replication proceeds in one direction around the bacterial chromosome.
Answer the following statement true (T) or false (F)
False
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Which one of the following characteristics of steroid hormones is not shared by nonsteroid hormones?
A. Hormones activate the transcription of particular genes in response to system requirements. B. Hormones bind to hormone receptors. C. Responsiveness to hormones can be cell- or tissue-specific. D. The hormone crosses the plasma membrane.
Four of the five answers correctly describe trends in plant evolution. Select the exception
a. nonvascular to vascular b. sporophyte dominant to gametophyte dominant c. motile to nonmotile gametes d. seedless to seeds e. haploid to diploid dominance
Which factor would most likely lead to
hypothermia?
a. cutting the grass b. exercising c. falling through the ice d. getting the flu e. none of these
Pain relievers such as endorphins and enkephalins
are a. depressants. b. stimulants. c. analgesics. d. hallucinogens. e. antipsychotics.