How do some hormones affect only certain cells in the body but not others? 1.only cells having specific receptors for a hormone can respond to the hormone's presence. 2.the hormones only go to some cells in the body but not to others. 3.special molecules on cells that are not affected break down the hormone before the cell can recognize it. 4.some cells have the wrong temperature to respond to the hormone.

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Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time