Aparticular hormone travels by many types of cells in the body. which mechanism ensures that it acts only on the target cells? the dna of the target cells has the same chemical structure as the hormone's dna. the rna of the target cells has the same chemical structure as the hormone's rna. the target cells have the specific receptors for that hormone. nextreset

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

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

How do living things obtain phosphorus