Question - The major difference between a cell that responds to a signal and one that does not is A. DNA sequence that binds to the signal B. nearby blood vessel C. receptor D. second messenger E. transduction pathway

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

All ova contain sex chromosomes corresponding to: x y xx xy